Selection of trunk ports and paths using rotation
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United States of America Patent
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Apr 3, 2012
Grant Date -
N/A
app pub date -
Aug 26, 2008
filing date -
Sep 26, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Techniques that offer enhanced diversity in the selection of paths (e.g., ECMP paths) and/or ports from ports associated with trunks for forwarding network data traffic. In one embodiment, a network device uses a rotate function to generate a rotated index (path index) that is used to select a path (e.g., an ECMP) path from multiple paths (e.g., multiple ECMP paths) for forwarding a packet. A network device may also generate a rotated index (trunk index) that is used to select an output port from multiple output ports associated with a trunk for forwarding the packet.
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