Cross-bar switch supporting implicit multicast addressing
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United States of America Patent
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Jun 20, 2006
Issued Date -
N/A
app pub date -
Dec 21, 2001
filing date -
Jul 6, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A cross-bar switch includes a set of input ports and a set of sink ports in communication with the input ports. The input ports receive packets, which are snooped by the sink ports. The cross-bar switch also includes a set of port address tables. Each port address table is adapted to store data identifying a plurality of destinations supported by a sink port. For example, a first port address table is adapted to identify a plurality of destinations supported by a first sink port in the set of sink ports. When determining whether to accept a packet, a sink port considers whether the packet's destination is identified in the sink port's port address table. By supporting multiple destinations, a port address table implicitly facilitates a sink port's multicast operation.
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