118-396: Best Interests is a four-part British television drama series, written by Jack Thorne . It stars Sharon Horgan and Michael Sheen as a married couple, fighting for their disabled daughter's medical care. It premiered on 12 June 2023. 13-year-old Marnie ( Niamh Moriarty ) has a rare form of muscular dystrophy that was diagnosed when she was a baby. When she ends up in intensive care after
236-461: A 32-bit number. IPv4 is the initial version used on the first generation of the Internet and is still in dominant use. It was designed in 1981 to address up to ≈4.3 billion (10 ) hosts. However, the explosive growth of the Internet has led to IPv4 address exhaustion , which entered its final stage in 2011, when the global IPv4 address allocation pool was exhausted. Because of the growth of
354-515: A 4G network. The limits that users face on accessing information via mobile applications coincide with a broader process of fragmentation of the Internet . Fragmentation restricts access to media content and tends to affect the poorest users the most. Zero-rating , the practice of Internet service providers allowing users free connectivity to access specific content or applications without cost, has offered opportunities to surmount economic hurdles but has also been accused by its critics as creating
472-513: A 4-channel service received via satellite. The channels at launch were Sky Channel , Sky News , Sky Movies and Eurosport . They were initially free to receive, and Sky Movies was the first to move to a subscription early in 1990. Sky News was the UK's first dedicated news channel. The new service was the UK's first consumer satellite TV service, beating rival BSB , with which Sky would later merge to become BSkyB. Sky's satellite service grew to become
590-517: A blog, or building a website involves little initial cost and many cost-free services are available. However, publishing and maintaining large, professional web sites with attractive, diverse and up-to-date information is still a difficult and expensive proposition. Many individuals and some companies and groups use web logs or blogs, which are largely used as easily being able to update online diaries. Some commercial organizations encourage staff to communicate advice in their areas of specialization in
708-470: A broad array of electronic, wireless , and optical networking technologies. The Internet carries a vast range of information resources and services, such as the interlinked hypertext documents and applications of the World Wide Web (WWW), electronic mail , telephony , and file sharing . The origins of the Internet date back to research that enabled the time-sharing of computer resources,
826-568: A chest infection, Marnie's doctor Samantha questions whether her treatment should be continued. Marnie's parents, Nicci ( Sharon Horgan ) and Andrew ( Michael Sheen ), fight to have her treatment continued but are driven apart by conflicting attitudes towards the battle. The series was commissioned by Piers Wenger , Director of BBC Drama and Charlotte Moore , BBC's Chief Content Officer. The series began filming in London in March 2022. Best Interests
944-626: A collection of documents (web pages) and other web resources linked by hyperlinks and URLs . In the 1960s, computer scientists began developing systems for time-sharing of computer resources. J. C. R. Licklider proposed the idea of a universal network while working at Bolt Beranek & Newman and, later, leading the Information Processing Techniques Office (IPTO) at the Advanced Research Projects Agency (ARPA) of
1062-593: A designated pool of addresses set aside for each region. The National Telecommunications and Information Administration , an agency of the United States Department of Commerce , had final approval over changes to the DNS root zone until the IANA stewardship transition on 1 October 2016. The Internet Society (ISOC) was founded in 1992 with a mission to "assure the open development, evolution and use of
1180-527: A few months. See List of British television series . 100 Greatest British Television Programmes was a list compiled in 2000 by the British Film Institute (BFI), chosen by a poll of industry professionals, to determine what were the greatest British television programmes of any genre ever to have been screened. Although not including any programmes made in 2000 or later, the list is useful as an indication of what were generally regarded as
1298-568: A framework known as the Internet protocol suite (also called TCP/IP , based on the first two components.) This is a suite of protocols that are ordered into a set of four conceptional layers by the scope of their operation, originally documented in RFC 1122 and RFC 1123 . At the top is the application layer , where communication is described in terms of the objects or data structures most appropriate for each application. For example,
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#17327659347911416-624: A greater total number of regional news programmes. Ofcom sets a quota for the BBC and ITV on the amount of regional programming required. Advertising on ITV1/STV and Channel 4 is regional. Channel 4 is split into 6 advertising regions, but has no regional programming. BBC Scotland and the Gaelic-language channel BBC Alba target Scotland, and the Welsh-language channel S4C targets Wales. In Northern Ireland, channels originating in
1534-419: A larger market or even sell goods and services entirely online . Business-to-business and financial services on the Internet affect supply chains across entire industries. The Internet has no single centralized governance in either technological implementation or policies for access and usage; each constituent network sets its own policies. The overarching definitions of the two principal name spaces on
1652-597: A network into two or more networks is called subnetting . Computers that belong to a subnet are addressed with an identical most-significant bit -group in their IP addresses. This results in the logical division of an IP address into two fields, the network number or routing prefix and the rest field or host identifier . The rest field is an identifier for a specific host or network interface. The routing prefix may be expressed in Classless Inter-Domain Routing (CIDR) notation written as
1770-488: A node on a different subnetwork. Routing tables are maintained by manual configuration or automatically by routing protocols . End-nodes typically use a default route that points toward an ISP providing transit, while ISP routers use the Border Gateway Protocol to establish the most efficient routing across the complex connections of the global Internet. The default gateway is the node that serves as
1888-558: A public service which was free of advertising, which followed the first demonstration of a transmitted moving image in 1926. Currently, the United Kingdom has a collection of free-to-air , free-to-view and subscription services over a variety of distribution media, through which there are over 480 channels for consumers as well as on-demand content. There are six main channel owners who are responsible for most material viewed. There are 27,000 hours of domestic content produced
2006-593: A shorthand for internetwork in RFC 675 , and later RFCs repeated this use. Cerf and Kahn credit Louis Pouzin and others with important influences on the resulting TCP/IP design. National PTTs and commercial providers developed the X.25 standard and deployed it on public data networks . Access to the ARPANET was expanded in 1981 when the National Science Foundation (NSF) funded
2124-470: A sign of future growth, 15 sites were connected to the young ARPANET by the end of 1971. These early years were documented in the 1972 film Computer Networks: The Heralds of Resource Sharing . Thereafter, the ARPANET gradually developed into a decentralized communications network, connecting remote centers and military bases in the United States. Other user networks and research networks, such as
2242-427: A subscription platform through which Sky offer their own channels, pay-per-view services and channels from other broadcasters. Sky's digital platform launched in 1998, with the original analogue service closing in 2001. Sky was acquired by Comcast in 2018. Since 2012, Sky operate Now , an Internet TV streaming service offering subscriptions without a fixed-term contract. Sky's channel portfolio has grown greatly since
2360-417: A traditional cable TV connection. The Broadcasters' Audience Research Board publish quarterly statistics of the number of UK households per broadcast TV platform. Aggregating the statistics for Q1 2020 show that 56% subscribe to one or more broadcast TV services, vs 44% who receive free TV. The primary digital terrestrial TV service, Freeview , launched in 2002 and is free-of-charge to view. It replaced
2478-596: A two-tiered Internet. To address the issues with zero-rating, an alternative model has emerged in the concept of 'equal rating' and is being tested in experiments by Mozilla and Orange in Africa. Equal rating prevents prioritization of one type of content and zero-rates all content up to a specified data cap. In a study published by Chatham House , 15 out of 19 countries researched in Latin America had some kind of hybrid or zero-rated product offered. Some countries in
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#17327659347912596-466: A vast and diverse amount of online information. Compared to printed media, books, encyclopedias and traditional libraries, the World Wide Web has enabled the decentralization of information on a large scale. The Web has enabled individuals and organizations to publish ideas and information to a potentially large audience online at greatly reduced expense and time delay. Publishing a web page,
2714-696: A web browser operates in a client–server application model and exchanges information with the HyperText Transfer Protocol (HTTP) and an application-germane data structure, such as the HyperText Markup Language (HTML). Below this top layer, the transport layer connects applications on different hosts with a logical channel through the network. It provides this service with a variety of possible characteristics, such as ordered, reliable delivery (TCP), and an unreliable datagram service (UDP). Underlying these layers are
2832-581: A wide variety of other Internet software may be installed from app stores . Internet usage by mobile and tablet devices exceeded desktop worldwide for the first time in October 2016. The International Telecommunication Union (ITU) estimated that, by the end of 2017, 48% of individual users regularly connect to the Internet, up from 34% in 2012. Mobile Internet connectivity has played an important role in expanding access in recent years, especially in Asia and
2950-509: A year, at a cost of £2.6 billion. Since 24 October 2012, all television broadcasts in the United Kingdom have been in a digital format, following the end of analogue transmissions in Northern Ireland. Digital content is delivered via terrestrial, satellite and cable, as well as over IP. As of 2003, 53.2% of households watch through terrestrial, 31.3% through satellite, and 15.6% through cable. The Royal Television Society (RTS)
3068-547: Is a global network that comprises many voluntarily interconnected autonomous networks. It operates without a central governing body. The technical underpinning and standardization of the core protocols ( IPv4 and IPv6 ) is an activity of the Internet Engineering Task Force (IETF), a non-profit organization of loosely affiliated international participants that anyone may associate with by contributing technical expertise. To maintain interoperability,
3186-422: Is a British-based educational charity for the discussion and analysis of television in all its forms, past, present, and future. It is the oldest television society in the world. Free-to-air , free-to-view and subscription providers operate, with differences in the number of channels, capabilities such as the programme guide (EPG), video on demand (VOD), high-definition (HD), interactive television via
3304-399: Is a large address block with 2 addresses, having a 32-bit routing prefix. For IPv4, a network may also be characterized by its subnet mask or netmask , which is the bitmask that when applied by a bitwise AND operation to any IP address in the network, yields the routing prefix. Subnet masks are also expressed in dot-decimal notation like an address. For example, 255.255.255.0 is
3422-508: Is a state-owned national broadcaster which is funded by its commercial activities (including advertising). Channel 4 has expanded greatly after gaining greater independence from the IBA , especially in the multi-channel digital world launching E4 , Film4 , More4 , 4Music , 4seven and various timeshift services . Since 2005, it has been a member of the Freeview consortium, and operates one of
3540-406: Is a subscription service operated by Sky Ltd , owned by Comcast , which launched in 1998 as SkyDigital. Compared to the previous analogue service which had launched in 1989, it provided more channels, widescreen, interactive TV and a near video-on-demand service using staggered start times for pay-per-view content. Innovations since have included high definition, 3D TV, a digital video recorder ,
3658-494: Is necessary to allocate address space efficiently. Subnetting may also enhance routing efficiency or have advantages in network management when subnetworks are administratively controlled by different entities in a larger organization. Subnets may be arranged logically in a hierarchical architecture, partitioning an organization's network address space into a tree-like routing structure. Computers and routers use routing tables in their operating system to direct IP packets to reach
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3776-532: Is not directly interoperable by design with IPv4. In essence, it establishes a parallel version of the Internet not directly accessible with IPv4 software. Thus, translation facilities must exist for internetworking or nodes must have duplicate networking software for both networks. Essentially all modern computer operating systems support both versions of the Internet Protocol. Network infrastructure, however, has been lagging in this development. Aside from
3894-406: Is often accessed through high-performance content delivery networks . The World Wide Web is a global collection of documents , images , multimedia , applications, and other resources, logically interrelated by hyperlinks and referenced with Uniform Resource Identifiers (URIs), which provide a global system of named references. URIs symbolically identify services, web servers , databases, and
4012-429: Is predominately operated by Arqiva . The TV channels are transmitted in bundles, called multiplexes , and the available channels are dependent on how many multiplexes are transmitted in each area. The six national multiplexes are available to 90% of households from 92 transmitters; and three multiplexes are available to 9% of households from 1,067 transmitters. In Northern Ireland, a multiplex carrying channels from
4130-419: Is the name Ofcom uses. ITV plc or its predecessor companies created additional free or subscription channels, of which the oldest still running is ITV2 , having launched in 1998. Several older channels have since stopped broadcasting; the oldest of these is Super Channel which was launched by a consortium of ITV regional companies in 1987, was sold and eventually closed in 1998. Launched in 1982, Channel 4
4248-426: Is the world's oldest and largest broadcaster, and is the country's principal public service broadcaster of radio and television. BBC Television is funded primarily by a television licence and from sales of its programming to overseas markets. It does not carry advertising . The licence fee is levied on all households that watch or record TV as it is broadcast and the fee is determined by periodic negotiation between
4366-555: The Oxford English Dictionary found that, based on a study of around 2.5 billion printed and online sources, "Internet" was capitalized in 54% of cases. The terms Internet and World Wide Web are often used interchangeably; it is common to speak of "going on the Internet" when using a web browser to view web pages . However, the World Wide Web , or the Web , is only one of a large number of Internet services,
4484-1050: The American Registry for Internet Numbers (ARIN) for North America , the Asia–Pacific Network Information Centre (APNIC) for Asia and the Pacific region , the Latin American and Caribbean Internet Addresses Registry (LACNIC) for Latin America and the Caribbean region, and the Réseaux IP Européens – Network Coordination Centre (RIPE NCC) for Europe , the Middle East , and Central Asia were delegated to assign IP address blocks and other Internet parameters to local registries, such as Internet service providers , from
4602-984: The Computer Science Network (CSNET). In 1982, the Internet Protocol Suite (TCP/IP) was standardized, which facilitated worldwide proliferation of interconnected networks. TCP/IP network access expanded again in 1986 when the National Science Foundation Network (NSFNet) provided access to supercomputer sites in the United States for researchers, first at speeds of 56 kbit/s and later at 1.5 Mbit/s and 45 Mbit/s. The NSFNet expanded into academic and research organizations in Europe, Australia, New Zealand and Japan in 1988–89. Although other network protocols such as UUCP and PTT public data networks had global reach well before this time, this marked
4720-594: The Democratic Republic of the Congo . TV via the Internet can be streamed or downloaded, and consist of amateur or professionally produced content. In the UK, most broadcasters provide catch-up TV services which allow viewing of TV for a window after it was broadcast. Online video can be viewed via mobile devices, computers, TVs equipped with a built in Internet connection, or TVs connected to an external set-top-box, streaming stick or games console. Most of
4838-544: The HyperText Markup Language (HTML), the first Web browser (which was also an HTML editor and could access Usenet newsgroups and FTP files), the first HTTP server software (later known as CERN httpd ), the first web server , and the first Web pages that described the project itself. In 1991 the Commercial Internet eXchange was founded, allowing PSInet to communicate with the other commercial networks CERFnet and Alternet. Stanford Federal Credit Union
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4956-495: The International Network Working Group and commercial initiatives led to the development of various protocols and standards by which multiple separate networks could become a single network or "a network of networks". In 1974, Vint Cerf at Stanford University and Bob Kahn at DARPA published a proposal for "A Protocol for Packet Network Intercommunication". They used the term internet as
5074-485: The Merit Network and CYCLADES , were developed in the late 1960s and early 1970s. Early international collaborations for the ARPANET were rare. Connections were made in 1973 to Norway ( NORSAR and NDRE ), and to Peter Kirstein's research group at University College London (UCL), which provided a gateway to British academic networks , forming the first internetwork for resource sharing . ARPA projects,
5192-500: The Pluto TV and Paramount+ Internet streaming services. Since 2012, additional local TV channels are available via Freeview channel 7 or 8. The channels are licensed by Ofcom, with 34 local TV channels licensed as of 2 July 2020. Nineteen of the licenses are held by That's TV, and eight are held by Made Television. The remainder are held independently. Each license contains the amount of local TV programming required. As an example,
5310-614: The Republic of Ireland can reach 71% of Northern Irish households from 3 transmitters. Local TV and radio is available to 54% of households from an additional multiplex via 44 transmitters, and an extra multiplex is available to 54% of households in Greater Manchester. Multiple vendors sell hybrid set-top-boxes or smart TVs which combine terrestrial channels with streamed (Internet TV) content. Internet-based TV apps such as BBC iPlayer , ITVX and Channel 4 are available via
5428-539: The United States and in the United Kingdom and France . The ARPANET initially served as a backbone for the interconnection of regional academic and military networks in the United States to enable resource sharing . The funding of the National Science Foundation Network as a new backbone in the 1980s, as well as private funding for other commercial extensions, encouraged worldwide participation in
5546-505: The red button , and coverage across the UK. All providers make available the UK's five most-watched channels: BBC One , BBC Two , ITV ( ITV1 / STV ), Channel 4 and Channel 5 . Broadcast television is distributed as radio waves via terrestrial or satellite transmissions, or as electrical or light signals through ground-based cables. In the UK, these use the Digital Video Broadcasting standard. Most TVs sold in
5664-513: The BBC's commercial units. Originating in 1992 with UK Gold , UKTV expanded its channels from 1997 onwards, with the BBC taking full ownership in June 2019. Unlike the BBC's public service channels, the UKTV channels contain advertising. ITV, branded as ITV1 or STV, is the network of fourteen regional and one national commercial television franchise, founded in 1955 to provide competition to the BBC. ITV
5782-579: The Internet and the depletion of available IPv4 addresses , a new version of IP IPv6 , was developed in the mid-1990s, which provides vastly larger addressing capabilities and more efficient routing of Internet traffic. IPv6 uses 128 bits for the IP address and was standardized in 1998. IPv6 deployment has been ongoing since the mid-2000s and is currently in growing deployment around the world, since Internet address registries ( RIRs ) began to urge all resource managers to plan rapid adoption and conversion. IPv6
5900-685: The Internet are contained in specially designated RFCs that constitute the Internet Standards . Other less rigorous documents are simply informative, experimental, or historical, or document the best current practices (BCP) when implementing Internet technologies. The Internet carries many applications and services , most prominently the World Wide Web, including social media , electronic mail , mobile applications , multiplayer online games , Internet telephony , file sharing , and streaming media services. Most servers that provide these services are today hosted in data centers , and content
6018-444: The Internet can then be accessed from places such as a park bench. Experiments have also been conducted with proprietary mobile wireless networks like Ricochet , various high-speed data services over cellular networks, and fixed wireless services. Modern smartphones can also access the Internet through the cellular carrier network. For Web browsing, these devices provide applications such as Google Chrome , Safari , and Firefox and
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#17327659347916136-618: The Internet for the benefit of all people throughout the world" . Its members include individuals (anyone may join) as well as corporations, organizations , governments, and universities. Among other activities ISOC provides an administrative home for a number of less formally organized groups that are involved in developing and managing the Internet, including: the IETF, Internet Architecture Board (IAB), Internet Engineering Steering Group (IESG), Internet Research Task Force (IRTF), and Internet Research Steering Group (IRSG). On 16 November 2005,
6254-444: The Internet model is the Internet Protocol (IP). IP enables internetworking and, in essence, establishes the Internet itself. Two versions of the Internet Protocol exist, IPv4 and IPv6 . For locating individual computers on the network, the Internet provides IP addresses . IP addresses are used by the Internet infrastructure to direct internet packets to their destinations. They consist of fixed-length numbers, which are found within
6372-514: The Internet via local computer networks. Hotspots providing such access include Wi-Fi cafés, where users need to bring their own wireless devices, such as a laptop or PDA . These services may be free to all, free to customers only, or fee-based. Grassroots efforts have led to wireless community networks . Commercial Wi-Fi services that cover large areas are available in many cities, such as New York , London , Vienna , Toronto , San Francisco , Philadelphia , Chicago and Pittsburgh , where
6490-711: The Internet was included on USA Today ' s list of the New Seven Wonders . The word internetted was used as early as 1849, meaning interconnected or interwoven . The word Internet was used in 1945 by the United States War Department in a radio operator's manual, and in 1974 as the shorthand form of Internetwork. Today, the term Internet most commonly refers to the global system of interconnected computer networks , though it may also refer to any group of smaller networks. When it came into common use, most publications treated
6608-451: The Internet when needed to perform a function or obtain information, represent the bottom of the routing hierarchy. At the top of the routing hierarchy are the tier 1 networks , large telecommunication companies that exchange traffic directly with each other via very high speed fiber-optic cables and governed by peering agreements. Tier 2 and lower-level networks buy Internet transit from other providers to reach at least some parties on
6726-711: The Internet, the Internet Protocol address (IP address) space and the Domain Name System (DNS), are directed by a maintainer organization, the Internet Corporation for Assigned Names and Numbers (ICANN). The technical underpinning and standardization of the core protocols is an activity of the Internet Engineering Task Force (IETF), a non-profit organization of loosely affiliated international participants that anyone may associate with by contributing technical expertise. In November 2006,
6844-486: The Internet. In the article, Ofcom responded that the licensing scheme was inherited from the Department for Digital, Culture, Media and Sport . In April 2018, BBC News reported that "many of the stations have been ridiculed for the poor quality of their output or have been reported to Ofcom for breaching broadcasting rules". The local TV companies receive a subsidy from the BBC of £147.50 per local news story, funded by
6962-471: The NSFNET and Europe was installed between Cornell University and CERN , allowing much more robust communications than were capable with satellites. Later in 1990, Tim Berners-Lee began writing WorldWideWeb , the first web browser , after two years of lobbying CERN management. By Christmas 1990, Berners-Lee had built all the tools necessary for a working Web: the HyperText Transfer Protocol (HTTP) 0.9,
7080-507: The Pacific and in Africa. The number of unique mobile cellular subscriptions increased from 3.9 billion in 2012 to 4.8 billion in 2016, two-thirds of the world's population, with more than half of subscriptions located in Asia and the Pacific. The number of subscriptions was predicted to rise to 5.7 billion users in 2020. As of 2018 , 80% of the world's population were covered by
7198-527: The Republic of Ireland are available, including RTÉ One , RTÉ2 and the Irish-language TG4 . British television differs from other countries, such as the United States , in as much that programmes produced in the United Kingdom do not generally have a long season run of around 20 weeks. Instead, they are produced in a series, a set of episodes varying in length, usually aired over a period of
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#17327659347917316-449: The UK (as well as much of the rest of Europe) come with a DVB-T (terrestrial) tuner. Set-top boxes are generally used to receive channels from other providers. All of the traditional services have integrated their broadcast TV with streamed channels or on-demand programmes when connected to the Internet . Since 2022, broadcast-like TV services can be wholly-received via Internet-connected devices, which don't require an aerial, satellite or
7434-813: The UK's national research and education network , JANET . Common methods of Internet access by users include dial-up with a computer modem via telephone circuits, broadband over coaxial cable , fiber optics or copper wires, Wi-Fi , satellite , and cellular telephone technology (e.g. 3G , 4G ). The Internet may often be accessed from computers in libraries and Internet cafés . Internet access points exist in many public places such as airport halls and coffee shops. Various terms are used, such as public Internet kiosk , public access terminal , and Web payphone . Many hotels also have public terminals that are usually fee-based. These terminals are widely accessed for various usages, such as ticket booking, bank deposit, or online payment . Wi-Fi provides wireless access to
7552-775: The UK, offering a combination of subscription, rental and purchase options for viewing online TV. Most are available via any Internet connection, however some require a specific broadband connection. Some services sell 3rd party services, such as Amazon's Prime Video. BARB tracks the number of households subscribing to Netflix, Prime Video and Now, referred to as SVOD households. Their statistics for Q1 2020 show that 53% of households subscribe to at least one of these, and 24% to at least two. Netflix has 13.01 million subscribers, Prime Video (Amazon) has 7.86 million, and Now has 1.62 million, according to BARB's figures for Q1 2020. BARB's equivalent figures for broadcast TV show that 56% of households subscribe. The table following summarises some of
7670-472: The UK. As of 2 January 2022, the average daily viewing time per home was 3 hours 8 minutes (of BARB-reported channels, includes broadcast and Internet viewings). 15 channels have a 4-week share of ≥ 1.0%. As of 2 January 2022 , there are 10 broadcaster groups with a four week share of ≥ 1.0% (although BARB reports sub-groups of BBC and Paramount individually, and it's unclear what the 'ITV' group refers to). The British Broadcasting Corporation ( BBC )
7788-826: The United Nations-sponsored World Summit on the Information Society in Tunis established the Internet Governance Forum (IGF) to discuss Internet-related issues. The communications infrastructure of the Internet consists of its hardware components and a system of software layers that control various aspects of the architecture. As with any computer network, the Internet physically consists of routers , media (such as cabling and radio links), repeaters, modems etc. However, as an example of internetworking , many of
7906-608: The United States Department of Defense (DoD). Research into packet switching , one of the fundamental Internet technologies, started in the work of Paul Baran at RAND in the early 1960s and, independently, Donald Davies at the United Kingdom's National Physical Laboratory (NPL) in 1965. After the Symposium on Operating Systems Principles in 1967, packet switching from the proposed NPL network and routing concepts proposed by Baran were incorporated into
8024-461: The United States surpassed those of cable television and nearly exceeded those of broadcast television . Many common online advertising practices are controversial and increasingly subject to regulation. When the Web developed in the 1990s, a typical web page was stored in completed form on a web server, formatted in HTML , ready for transmission to a web browser in response to a request. Over time,
8142-534: The ability to view recordings on other devices, remote operation via the Internet to add recordings, and on-demand content via the satellite-receiver's broadband connection of both Sky and third-party TV. The Sky subscription also includes access to Sky Go , which allows mobile devices and computers to access subscription content via the Internet. Freesat is a free satellite service operated by Everyone TV, who also operate Freeview. Like Sky, it provides high-definition content, digital recording and video-on-demand via
8260-418: The architectural design of the Internet software systems has been assumed by the Internet Engineering Task Force (IETF). The IETF conducts standard-setting work groups, open to any individual, about the various aspects of Internet architecture. The resulting contributions and standards are published as Request for Comments (RFC) documents on the IETF web site. The principal methods of networking that enable
8378-824: The available Internet TV services in the UK. For brevity, it does not include catch-up-only or amateur-only services, individual channels, distributors of illegal or adult content, services which solely redistribute free broadcast channels, portals, or services which don't target the UK. 'Free' refers to free at the point of consumption, not including fees for Internet connectivity or a TV licence. Other international streaming services with pricing in GBP include: Acorn TV, Arrow, BKTV, Crunchyroll, Dekkoo, Demand Africa, Docsville, Funimation Now, GuideDoc, Hayu, Hoichoi, Hotstar, iQiyi, iWantTFC, Mubi, NewsPlayer+, Revry, Shudder, Starz, True Story, WOW Presents Plus and ZEE5. The Broadcasters' Audience Research Board (BARB) measures television ratings in
8496-474: The average viewership achieved by each broadcast during its run-time and do not include peak viewership. Notes : Internet The Internet (or internet ) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a network of networks that consists of private , public, academic, business, and government networks of local to global scope, linked by
8614-412: The beginning of the Internet as an intercontinental network. Commercial Internet service providers (ISPs) emerged in 1989 in the United States and Australia. The ARPANET was decommissioned in 1990. Steady advances in semiconductor technology and optical networking created new economic opportunities for commercial involvement in the expansion of the network in its core and for delivering services to
8732-456: The bottom of the architecture is the link layer , which connects nodes on the same physical link, and contains protocols that do not require routers for traversal to other links. The protocol suite does not explicitly specify hardware methods to transfer bits, or protocols to manage such hardware, but assumes that appropriate technology is available. Examples of that technology include Wi-Fi , Ethernet , and DSL . The most prominent component of
8850-513: The broadband connection of Freeview Play and Netgem devices. These also support optional subscription services such as Netflix and Prime Video. EE TV and TalkTalk TV offer additional subscription services for their respective broadband customers using Netgem or YouView devices. Saorview , the terrestrial TV service in the Republic of Ireland which launched in 2011, can be received in parts of Northern Ireland via overspill transmissions. Many regional companies developed cable-television services in
8968-460: The broadband connection. Freesat and Sky TV transmit from SES Astra satellites at 28.2° east ( Astra 2E / 2F / 2G ). As the satellites are in geostationary orbit , they are positioned above the earth 's equator ( 0°00′N 28°12′E / 0°N 28.2°E / 0; 28.2 ( Satellites transmitting Sky TV and Freesat to the UK and Ireland ) ) approximately 35,786 km above sea level ; this places them above
9086-425: The broadcast TV providers have integrated their set-top-boxes with Internet video to provide a hybrid broadcast and online service. Since 2006, UK channel owners and content producers have been creating Internet services to access their programmes. Often, these are available for a window after the broadcast schedule. These services generally block users outside of the UK. There are numerous online services targeting
9204-475: The channel name of STV for its two franchises in Scotland. ITV plc names the channel UTV in Northern Ireland, and ITV1 for the remaining regions, although UTV has used ITV or ITV1 branding since April 2020. The national breakfast-time franchise is held by ITV plc, which appears as an indistinguishable programming block across the network. Legally, the network has been known as Channel 3 since 1990, which
9322-455: The complex array of physical connections that make up its infrastructure, the Internet is facilitated by bi- or multi-lateral commercial contracts, e.g., peering agreements , and by technical specifications or protocols that describe the exchange of data over the network. Indeed, the Internet is defined by its interconnections and routing policies. A subnetwork or subnet is a logical subdivision of an IP network . The practice of dividing
9440-613: The design of the ARPANET , an experimental resource sharing network proposed by ARPA. ARPANET development began with two network nodes which were interconnected between the University of California, Los Angeles (UCLA) and the Stanford Research Institute (now SRI International) on 29 October 1969. The third site was at the University of California, Santa Barbara , followed by the University of Utah . In
9558-528: The development of packet switching in the 1960s and the design of computer networks for data communication . The set of rules ( communication protocols ) to enable internetworking on the Internet arose from research and development commissioned in the 1970s by the Defense Advanced Research Projects Agency (DARPA) of the United States Department of Defense in collaboration with universities and researchers across
9676-434: The development of new networking technologies and the merger of many networks using DARPA's Internet protocol suite . The linking of commercial networks and enterprises by the early 1990s, as well as the advent of the World Wide Web , marked the beginning of the transition to the modern Internet, and generated sustained exponential growth as generations of institutional, personal , and mobile computers were connected to
9794-594: The documents and resources that they can provide. HyperText Transfer Protocol (HTTP) is the main access protocol of the World Wide Web. Web services also use HTTP for communication between software systems for information transfer, sharing and exchanging business data and logistics and is one of many languages or protocols that can be used for communication on the Internet. World Wide Web browser software, such as Microsoft 's Internet Explorer / Edge , Mozilla Firefox , Opera , Apple 's Safari , and Google Chrome , enable users to navigate from one web page to another via
9912-485: The first address of a network, followed by a slash character ( / ), and ending with the bit-length of the prefix. For example, 198.51.100.0 / 24 is the prefix of the Internet Protocol version 4 network starting at the given address, having 24 bits allocated for the network prefix, and the remaining 8 bits reserved for host addressing. Addresses in the range 198.51.100.0 to 198.51.100.255 belong to this network. The IPv6 address specification 2001:db8:: / 32
10030-429: The forwarding host (router) to other networks when no other route specification matches the destination IP address of a packet. While the hardware components in the Internet infrastructure can often be used to support other software systems, it is the design and the standardization process of the software that characterizes the Internet and provides the foundation for its scalability and success. The responsibility for
10148-451: The frequency used by Channel 5's new broadcasts. Channel 5 was the first terrestrial channel to also broadcast via satellite. From 2006 onwards, Channel 5 launched new digital channels and an Internet on-demand service. After changing ownership several times, in May 2014 Channel 5 and its sister channels were acquired by Viacom, an American media conglomerate , known as Paramount since 2022. By
10266-603: The global Internet, though they may also engage in peering. An ISP may use a single upstream provider for connectivity, or implement multihoming to achieve redundancy and load balancing. Internet exchange points are major traffic exchanges with physical connections to multiple ISPs. Large organizations, such as academic institutions, large enterprises, and governments, may perform the same function as ISPs, engaging in peering and purchasing transit on behalf of their internal networks. Research networks tend to interconnect with large subnetworks such as GEANT , GLORIAD , Internet2 , and
10384-514: The government and the BBC. Its first analogue terrestrial channel was launched by the BBC Television Service in 1936. It rebranded to BBC1 in 1964 following the launch of BBC2 , the UK's third analogue terrestrial channel after ITV. BBC News 24 launched as an analogue cable channel in 1997, later rebranding to BBC News in 2008. BBC Parliament , which was originally an analogue cable channel known as The Parliamentary Channel,
10502-661: The hope that visitors will be impressed by the expert knowledge and free information and be attracted to the corporation as a result. Advertising on popular web pages can be lucrative, and e-commerce , which is the sale of products and services directly via the Web, continues to grow. Online advertising is a form of marketing and advertising which uses the Internet to deliver promotional marketing messages to consumers. It includes email marketing, search engine marketing (SEM), social media marketing, many types of display advertising (including web banner advertising), and mobile advertising . In 2011, Internet advertising revenues in
10620-505: The hyperlinks embedded in the documents. These documents may also contain any combination of computer data , including graphics, sounds, text , video , multimedia and interactive content that runs while the user is interacting with the page. Client-side software can include animations, games , office applications and scientific demonstrations. Through keyword -driven Internet research using search engines like Yahoo! , Bing and Google , users worldwide have easy, instant access to
10738-672: The late 1980s and 1990s as licences for cable television were awarded on a city-by-city basis. The mid-1990s saw the companies start to merge and the turn of the century only three big companies remained. In 2007 Telewest and NTL merged, resulting in the formation of Virgin Media , which is available to 55% of households. Cable TV is a subscription service normally bundled with a phone line and broadband. There are two distinctly-marketed direct-broadcast satellite (DBS) services (also known as direct-to-home (DTH), to be distinguished from satellite signals intended for non-consumer reception). Sky TV
10856-485: The late 1990s, it was estimated that traffic on the public Internet grew by 100 percent per year, while the mean annual growth in the number of Internet users was thought to be between 20% and 50%. This growth is often attributed to the lack of central administration, which allows organic growth of the network, as well as the non-proprietary nature of the Internet protocols, which encourages vendor interoperability and prevents any one company from exerting too much control over
10974-400: The launch of digital TV. Sky make their channels available via rival cable and Internet services as well as their own satellite service and Now. Channel 5 was the fifth analogue terrestrial channel to launch, in March 1997. Due to constraints with the available UHF frequencies at the time, many households had to retune their video recorders , which shared the frequency on their RF output with
11092-549: The license fee, paid whether the BBC uses the content or not. A June 2018 article on BuzzFeed claimed that That's TV was created "primarily to extract money from the BBC whilst delivering little content of useful value". BBC One, BBC Two and the ITV network (comprising ITV1 and STV) are split into regions in which regional news and other programming is broadcast. ITV1/STV is split into fourteen geographic licencees , with several of these split into two or three sub-regions, resulting in
11210-460: The license for Scarborough, which is held by That's TV, requires seven hours of local programming per week (one hour per day on average). Thirteen additional licenses were originally intended, but Ofcom decided not to advertise these in June 2018. The way Ofcom structured local television – being dependent on terrestrial transmission – was criticised in a Guardian article in 2015 for being "years behind in its thinking", as it does not account for
11328-458: The most successful British programmes of the 20th century. The top 10 programmes are: 100 Greatest TV Moments was a list compiled by Channel 4 in 1999. The top 10 entries are: The majority of special events attracting large audiences are often carried on more than one channel. The most-watched programme of all time on a single channel is the 1973 wedding ceremony of The Princess Anne , shown only on BBC1. The figures in these tables represent
11446-462: The network nodes are not necessarily Internet equipment per se. The internet packets are carried by other full-fledged networking protocols with the Internet acting as a homogeneous networking standard, running across heterogeneous hardware, with the packets guided to their destinations by IP routers. Internet service providers (ISPs) establish the worldwide connectivity between individual networks at various levels of scope. End-users who only access
11564-412: The network. As of 31 March 2011 , the estimated total number of Internet users was 2.095 billion (30% of world population ). It is estimated that in 1993 the Internet carried only 1% of the information flowing through two-way telecommunication . By 2000 this figure had grown to 51%, and by 2007 more than 97% of all telecommunicated information was carried over the Internet. The Internet
11682-1058: The network. Although the Internet was widely used by academia in the 1980s, the subsequent commercialization in the 1990s and beyond incorporated its services and technologies into virtually every aspect of modern life. Most traditional communication media, including telephone , radio , television , paper mail, and newspapers, are reshaped, redefined, or even bypassed by the Internet, giving birth to new services such as email , Internet telephone , Internet television , online music , digital newspapers, and video streaming websites. Newspapers, books, and other print publishing have adapted to website technology or have been reshaped into blogging , web feeds , and online news aggregators . The Internet has enabled and accelerated new forms of personal interaction through instant messaging , Internet forums , and social networking services . Online shopping has grown exponentially for major retailers, small businesses , and entrepreneurs , as it enables firms to extend their " brick and mortar " presence to serve
11800-414: The networking technologies that interconnect networks at their borders and exchange traffic across them. The Internet layer implements the Internet Protocol (IP) which enables computers to identify and locate each other by IP address and route their traffic via intermediate (transit) networks. The Internet Protocol layer code is independent of the type of network that it is physically running over. At
11918-481: The packet. IP addresses are generally assigned to equipment either automatically via DHCP , or are configured. However, the network also supports other addressing systems. Users generally enter domain names (e.g. "en.wikipedia.org") instead of IP addresses because they are easier to remember; they are converted by the Domain Name System (DNS) into IP addresses which are more efficient for routing purposes. Internet Protocol version 4 (IPv4) defines an IP address as
12036-435: The principal name spaces of the Internet are administered by the Internet Corporation for Assigned Names and Numbers (ICANN). ICANN is governed by an international board of directors drawn from across the Internet technical, business, academic, and other non-commercial communities. ICANN coordinates the assignment of unique identifiers for use on the Internet, including domain names , IP addresses, application port numbers in
12154-586: The process of creating and serving web pages has become dynamic, creating a flexible design, layout, and content. Websites are often created using content management software with, initially, very little content. Contributors to these systems, who may be paid staff, members of an organization or the public, fill underlying databases with content using editing pages designed for that purpose while casual visitors view and read this content in HTML form. There may or may not be editorial, approval and security systems built into
12272-442: The public. In mid-1989, MCI Mail and Compuserve established connections to the Internet, delivering email and public access products to the half million users of the Internet. Just months later, on 1 January 1990, PSInet launched an alternate Internet backbone for commercial use; one of the networks that added to the core of the commercial Internet of later years. In March 1990, the first high-speed T1 (1.5 Mbit/s) link between
12390-469: The region had a handful of plans to choose from (across all mobile network operators) while others, such as Colombia , offered as many as 30 pre-paid and 34 post-paid plans. A study of eight countries in the Global South found that zero-rated data plans exist in every country, although there is a great range in the frequency with which they are offered and actually used in each. The study looked at
12508-590: The rise of near-instant communication by email, instant messaging , telephony ( Voice over Internet Protocol or VoIP), two-way interactive video calls , and the World Wide Web with its discussion forums , blogs, social networking services , and online shopping sites. Increasing amounts of data are transmitted at higher and higher speeds over fiber optic networks operating at 1 Gbit/s, 10 Gbit/s, or more. The Internet continues to grow, driven by ever-greater amounts of online information and knowledge, commerce, entertainment and social networking services. During
12626-504: The six digital terrestrial multiplexes with ITV as Digital 3&4 . Since the advent of digital television, Channel 4 is now also broadcast in Wales across all digital platforms. Channel 4 was the first British channel not to carry regional variations for programming, however it does have six set advertising regions. Sky is a European broadcaster owned by global American media conglomerate Comcast . Sky Television launched in 1989, with
12744-452: The subnet mask for the prefix 198.51.100.0 / 24 . Traffic is exchanged between subnetworks through routers when the routing prefixes of the source address and the destination address differ. A router serves as a logical or physical boundary between the subnets. The benefits of subnetting an existing network vary with each deployment scenario. In the address allocation architecture of the Internet using CIDR and in large organizations, it
12862-459: The subscription service named ONdigital or ITV Digital, which ran from 1998 to 2002. Digital terrestrial television was itself the replacement for analogue terrestrial TV , which ran from 1936 to 2012. As of March 2021 , Freeview provides over seventy TV and radio channels, which are received via an aerial. It is operated by Everyone TV and DTV Services Ltd., joint ventures between the BBC, ITV, Channel 4 and Channel 5. The transmitter network
12980-488: The time it acquired Channel 5, Paramount already operated a large number of subscription channels in the UK, including the MTV, Nickelodeon and Comedy Central channels, which are available via Sky TV, Virgin Media and Now. In terms of viewing share, the combined viewing across Paramount's channels make the group the UK's fifth largest broadcaster, according to BARB's viewing figures for 1 March 2020. Paramount additionally operates
13098-462: The top three to five carriers by market share in Bangladesh, Colombia, Ghana, India, Kenya, Nigeria, Peru and Philippines. Across the 181 plans examined, 13 percent were offering zero-rated services. Another study, covering Ghana , Kenya , Nigeria and South Africa , found Facebook 's Free Basics and Misplaced Pages Zero to be the most commonly zero-rated content. The Internet standards describe
13216-405: The transport protocols, and many other parameters. Globally unified name spaces are essential for maintaining the global reach of the Internet. This role of ICANN distinguishes it as perhaps the only central coordinating body for the global Internet. Regional Internet registries (RIRs) were established for five regions of the world. The African Network Information Center (AfriNIC) for Africa ,
13334-455: The volume of Internet traffic started experiencing similar characteristics as that of the scaling of MOS transistors , exemplified by Moore's law , doubling every 18 months. This growth, formalized as Edholm's law , was catalyzed by advances in MOS technology , laser light wave systems, and noise performance. Since 1995, the Internet has tremendously impacted culture and commerce, including
13452-533: The word Internet as a capitalized proper noun ; this has become less common. This reflects the tendency in English to capitalize new terms and move them to lowercase as they become familiar. The word is sometimes still capitalized to distinguish the global internet from smaller networks, though many publications, including the AP Stylebook since 2016, recommend the lowercase form in every case. In 2016,
13570-447: Was acquired by the BBC in 1998. From 1998 onwards the BBC started digital TV transmissions, launching new channels and broadcasting via satellite in addition to terrestrial and cable. The BBC's Internet-based service iPlayer contains content from the BBC's TV channels, the Welsh-language public-service broadcaster S4C, as well as videos created from BBC radio programmes. UKTV is a commercial broadcaster owned by BBC Studios , one of
13688-568: Was chosen as one of the 10 best TV shows of 2023 by The Daily Telegraph . This article related to a BBC television programme is a stub . You can help Misplaced Pages by expanding it . This drama television program–related article is a stub . You can help Misplaced Pages by expanding it . Television in the United Kingdom Television broadcasts in the United Kingdom began in 1932, however, regular broadcasts would only begin four years later. Television began as
13806-437: Was the country's first commercial television provider funded by advertisements . Each region was originally independent and used its own on-air identity . Through a series of mergers following relaxation of regulation in 1990, thirteen of the franchises are now held by ITV plc , and the remaining two by STV Group . Since 2012, ITV plc produces the network nationally, with STV Group acting as an affiliate . STV Group uses
13924-558: Was the first financial institution to offer online Internet banking services to all of its members in October 1994. In 1996, OP Financial Group , also a cooperative bank , became the second online bank in the world and the first in Europe. By 1995, the Internet was fully commercialized in the U.S. when the NSFNet was decommissioned, removing the last restrictions on use of the Internet to carry commercial traffic. As technology advanced and commercial opportunities fueled reciprocal growth,
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