Routing traffic through a virtual router-based network switch
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United States of America Patent
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Apr 21, 2009
Grant Date -
Jun 7, 2007
app pub date -
Feb 5, 2007
filing date -
Jun 4, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and systems are provided for routing traffic through a virtual router-based network switch. According to one embodiment, a method for routing packets in a router includes establishing a flow data structure, which identifies a packet flow through a virtual router in the router. When a packet is received, a comparison is performed between a subset of at least one packet header associated with the packet and a subset of the flow data structure. If the subset of the packet header matches the subset of the flow data structure, then the packet can be hardware accelerated to a network interface. Otherwise, the packet may be either dropped or forwarded to a general purpose processor for processing.
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