Synchronization of multicast information using incremental updates
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United States of America Patent
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Mar 26, 2013
Grant Date -
Sep 22, 2011
app pub date -
Oct 27, 2010
filing date -
Mar 19, 2010
priority date (Note) -
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Abstract
Techniques that enable a network device such as a router to provide multicast routing services without interruption, even in the event of a switchover. An incremental updates technique is used to synchronize multicast information maintained by a first processor and multicast information maintained by a second processor. The first processor may be a management processor operating in active mode in a network device and the second processor may be a management processor operating in standby mode in the network device. The second processor may also be a processor on a linecard of the network device.
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