Method of indicating processes resident within a cell of a data processing system
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United States of America Patent
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Apr 3, 1990
Grant Date -
N/A
app pub date -
Apr 13, 1988
filing date -
Apr 13, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-processor, multi-tasking virtual machine comprises processes, messages, and contexts. Processes communicate only through messages. Contexts are groups of related processes. The virtual machine is implemented in a distributed data processing system comprising a plurality of individual cells coupled by a local area network (LAN). Each cell may comprise one or more processes and/or contexts. A network interface module (NIM) provides the interface between any individual cell and the LAN. To facilitate message transmission between processes resident on different cells, each NIM is provided with tables identifying the locations of resident and non-resident processes, respectively. Cells may be added to or deleted from the LAN without disrupting the LAN operations.
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