Selecting among multiple concurrently active paths through a network
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Dec 16, 2015
filing date -
Feb 18, 2004
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Abstract
Methods and systems for selecting among multiple concurrently active paths through a network are provided. According to one embodiment, a method is performed by a network interface of a source network device within a loop-free, reverse-path-learning network. The network is divided into multiple virtual local area networks (VLANs). Network traffic destined for a destination network device and specifying an address for the destination or including information from which the address can be derived is received from the source. A set of VLANs that can be used to transport the packet from the source to the destination is determined. Each VLAN in the set of VLANs is associated with a different path through the network from the source to the destination. A particular VLAN from the set of VLANs networks is selected, thereby effectively selecting a particular path from multiple selectable paths between the source and the destination.
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