Architecture Analysis & Design Language (AADL).

Standard:
Revised:
  • 2009-01-20
Revision:
  • Historical. Access the latest revision: AS5506B
Scope:

(1) This standard defines a language for describing both the software architecture and the execution platform architectures of performance-critical, embedded, real-time systems; the language is known as the SAE Architecture Analysis & Design Language (AADL). An AADL model describes a system as a hierarchy of components with their interfaces and their interconnections. Properties are associated to these constructions. AADL components fall into two major categories: those that represent the physical hardware and those representing the application software. The former is typified by processors, buses, memory, and devices, the latter by application software functions, data, threads, and processes. The model describes how these components interact and are integrated to form complete systems. It describes both functional interfaces and aspects critical for performance of individual components and assemblies of components. The changes to the runtime architecture are modeled as operational modes and mode transitions.

Rationale:

The language defined in SAE AS5506 has been refined and extended based on industrial experience with version 1.0 over the last 4 years. The improvements focus on better support for architecture templates and modeling of layered and partitioned architectures. This Architecture Analysis & Design Language (AADL) standard document was prepared by the SAE AS-2C Architecture Description Language Subcommittee, Embedded Computing Systems Committee, Aerospace Avionics Systems Division.

History:
Standard Published Revision Status
AS5506B 2012-09-10 Latest Revised
2009-01-20 Historical Revised
2004-11-05 Historical Issued
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