Efficient network multicast switching apparatus and methods
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United States of America Patent
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Aug 31, 2004
Grant Date -
Dec 12, 2002
app pub date -
Oct 7, 1998
filing date -
Oct 7, 1998
priority date (Note) -
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Abstract
Efficient switched network multicasting techniques are provided. Incoming multicast packets are processed by a central forwarding engine (CFE) in a network switch to generate forwarding indices used to make forwarding decisions for the packets based upon whether the packets are special multicast control packets or data packets. Forwarding of the special multicast control packets is determined by the switch's network management processor (NMP), while data packets are forwarded based upon conventional bridge forwarding techniques.
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