The AIS Logical I/O Buffers
The input and output buffers of the AIS architecture have a fixed capacity
and use first-in-first-out (FIFO) overflow. The input buffers receive data
through the output of Communications Interface (CI),
which also services the actions in the output buffers. Both types of
buffers are part of the global database. Thus, the
agenda manager can look at the input buffers for
perceptual events, and the executor can place
actions in the output buffers for execution. This global availability is
the means for the system's functional
integration. The overflow mechanism provides a very crude method of
attaining speed-knowledge independence,
since in the event of information overload,
the least recent information is simply "forgotten". However, there are also
more sophisticated methods available in the I/O subsystems.
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