A system architecture is the conceptual model that defines the structure , behavior , and more views of a system . An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.
5-446: Common Hardware Reference Platform ( CHRP ) is a standard system architecture for PowerPC -based computer systems published jointly by IBM and Apple in 1995. Like its predecessor PReP , it was conceptualized as a design to allow various operating systems to run on an industry standard hardware platform, and specified the use of Open Firmware and RTAS for machine abstraction purposes. Unlike PReP , CHRP incorporated elements of
10-725: A new Power Architecture Platform Reference (PAPR) that provides the foundation for development of Power ISA -based computers running the Linux operating system. The PAPR was released fourth quarter of 2006. System architecture A system architecture can consist of system components and the sub-systems developed, that will work together to implement the overall system. There have been efforts to formalize languages to describe system architecture, collectively these are called architecture description languages (ADLs). Various organizations can define systems architecture in different ways, including: One can think of system architecture as
15-696: A set of representations of an existing (or future) system. These representations initially describe a general, high-level functional organization, and are progressively refined to more detailed and concrete descriptions. System architecture conveys the informational content of the elements consisting of a system, the relationships among those elements, and the rules governing those relationships. The architectural components and set of relationships between these components that an architecture description may consist of hardware, software , documentation, facilities, manual procedures, or roles played by organizations or people. A system architecture primarily concentrates on
20-646: The Power Macintosh architecture and was intended to support the classic Mac OS and NetWare , in addition to the four operating systems that had been ported to PReP at the time ( Windows NT , OS/2 , Solaris , and AIX ). CHRP did not receive industry-wide adoption, however. The only systems to ship with actual CHRP hardware are certain members of IBM's RS/6000 series running AIX , and small amount of Motorola PowerStack workstations. Mac OS 8 contains support for CHRP and New World Power Macintosh computers are partially based on CHRP and PReP. Power.org has
25-465: The internal interfaces among the system's components or subsystems , and on the interface(s) between the system and its external environment, especially the user . (In the specific case of computer systems, this latter, special, interface is known as the computer human interface , AKA human computer interface, or HCI ; formerly called the man-machine interface.) One can contrast a system architecture with system architecture engineering (SAE) -
#941058