Forwarding traffic in a network using a single forwarding table that includes forwarding information related to a plurality of logical networks
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United States of America Patent
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-
Jan 29, 2008
Grant Date -
Dec 4, 2003
app pub date -
Jan 10, 2003
filing date -
Jun 4, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and system for forwarding traffic from a plurality of logical networks using a single forwarding table. Traffic is received in the form of packets with a key and a logical traffic identifier. The routing table is traversed to a forwarding table entry having a longest prefixed search value that matches the key and having a logical network identification array in which the logical traffic identifier may be represented. If the logical traffic identifier is represented in the logical network identification array, then the packet is forwarded in accordance with forwarding information associated with the forwarding table entry.
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