Switching fabric system having at least one subsystem including switch core elements arranged in port expansion architecture
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United States of America Patent
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Dec 23, 2003
Issued Date -
N/A
app pub date -
May 20, 1999
filing date -
Aug 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A Switch Fabric system comprising at least one Switch Fabric subsystem (100, 200) further including a set of Switch cores elements (111, 112, 121, 122) that are mounted in a port expansion permitting attachment of at least a first and second sets of Protocol Adapters (1, 2) under a routing control process. A Primary Switch controller (PSC) has a complete knowledge of the topology of the switch, e.g., the number of subsystems, the nature of the port expansion etc., while each Secondary Switch Controller only has a limited knowledge of that topology. One particular Switch Core (111, 211) which has a full-duplex communication capability in each Subsystem is assigned the key function to interface communication between the PSC and the other SSC in a same Switch Fabric Subsystem.
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