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Component type and component implementation declarations
are architecture design elements
that define the structure and connectivity of a physical system architecture. They are component
classifiers that must be instantiated to create a complete system instance. A complete system
instance that represents the containment hierarchy of the physical system is created by
instantiating a root system implementation and then recursively instantiating the subcomponents
and their subcomponents. Once instantiated, a system instance can be completely bound, i.e.,
each thread is bound to a processor; each source text, data component, and port is bound to
memory; and each connection is bound to a bus if necessary.
A completely instantiated and bound system acts as a
blueprint for a system build. Binary images
are created and configured into load instructions according to the system instance specification in
AADL. |
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