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SAE AS4893 1996 Edition, January 1, 1996
Generic Open Architecture (GOA) Framework
Description / Abstract:
This SAE Aerospace Standard (AS) establishes a Generic Open
Architecture (GOA) Framework for application independent
hardware/software systems. This document defines the interface
classes for the GOA Framework. Supplemental documents define the
guidelines for applying the GOA Framework to specific
applications.
Purpose:
The purpose of this document is to provide a framework to identify interface classes for applying open systems interface standards to the design of a specific hardware/software system. This framework is used to define an abstract architecture based on a generic set of interface points. The generic set of system interface points facilitate identification of critical interfaces.
It is intended that the GOA Framework be specialized for varying domains. A domain specific implementation of the GOA Framework will increase the chance that components/capabilities produced independently will "plug and play" and evolve affordably within the domain. The GOA Framework provides a basis for commonality for both vendors and users of components/ capabilities. Application of the GOA Framework will impose constraints on individual domains and implementations. This will increase the likelihood that independently produced products will interoperate.
Application of the GOA Framework together with the appropriate open system interface standards is expected to provide the following benefits to future programs:
a. Provide the basis for establishing a set of specifications, standards and procedures that will become common to all elements of a major system.
b. Ensure that future systems can be upgraded and maintained with minimal redesign impact to the existing system by establishing the interfaces required to enable modular replacement of hardware and software.
c. Promote availability of multiple sources of needed software and hardware, especially commercial off-the-shelf components.
d. Provide a pool of hardware and software modules for multiple program commonality and re-use.
e. Insure access to the architecture and its design documentation for any vendor or agency desiring to propose new uses and applications, and to facilitate competition to contain cost growth.
Purpose:
The purpose of this document is to provide a framework to identify interface classes for applying open systems interface standards to the design of a specific hardware/software system. This framework is used to define an abstract architecture based on a generic set of interface points. The generic set of system interface points facilitate identification of critical interfaces.
It is intended that the GOA Framework be specialized for varying domains. A domain specific implementation of the GOA Framework will increase the chance that components/capabilities produced independently will "plug and play" and evolve affordably within the domain. The GOA Framework provides a basis for commonality for both vendors and users of components/ capabilities. Application of the GOA Framework will impose constraints on individual domains and implementations. This will increase the likelihood that independently produced products will interoperate.
Application of the GOA Framework together with the appropriate open system interface standards is expected to provide the following benefits to future programs:
a. Provide the basis for establishing a set of specifications, standards and procedures that will become common to all elements of a major system.
b. Ensure that future systems can be upgraded and maintained with minimal redesign impact to the existing system by establishing the interfaces required to enable modular replacement of hardware and software.
c. Promote availability of multiple sources of needed software and hardware, especially commercial off-the-shelf components.
d. Provide a pool of hardware and software modules for multiple program commonality and re-use.
e. Insure access to the architecture and its design documentation for any vendor or agency desiring to propose new uses and applications, and to facilitate competition to contain cost growth.
SAE AS4893 1996 Edition, January 1, 1996
Generic Open Architecture (GOA) Framework