Virtual network device clusters
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United States of America Patent
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Apr 27, 2010
Grant Date -
Nov 24, 2005
app pub date -
May 19, 2004
filing date -
May 19, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A virtual network device cluster includes several different virtual network device sub-units, which collectively operate as a single logical network device. The virtual network device cluster identifies the virtual network device sub-unit via which a given packet enters the virtual network device cluster. A packet is forwarded through the virtual network device cluster based on which virtual network device sub-unit has been identified for that packet. In one embodiment, a method involves receiving a packet via a first interface of a first one of several virtual network device sub-units of a virtual network device and associating the packet with the first one of the virtual network device sub-units. The method also involves inhibiting the packet from being sent via an interface of one of the virtual network device sub-units, in response to the packet being associated with the first one of the virtual network device sub-units.
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