Multicast traffic generation using hierarchical replication mechanisms for distributed switches
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United States of America Patent
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Dec 16, 2014
Grant Date -
Sep 19, 2013
app pub date -
Mar 14, 2012
filing date -
Mar 14, 2012
priority date (Note) -
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Abstract
A distributed switch may include a hierarchy with one or more levels of surrogate sub-switches (and surrogate bridge elements) that enable the distributed switch to scale bandwidth based on the size of the membership of a multicast group. When a sub-switch receives a multicast data frame, it forwards the packet to one of the surrogate sub-switches. Each surrogate sub-switch may then forward the packet to another surrogate in a different hierarchical level or to a destination computing device. Because the surrogates may transmit the data frame in parallel using two or more connection interfaces, the bandwidth used to forward the multicast packet increases for each surrogate used.
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