Decoupling functionality related to providing a transparent local area network segment service
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United States of America Patent
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Apr 8, 2014
Grant Date -
Dec 3, 2009
app pub date -
Aug 13, 2009
filing date -
Sep 25, 2001
priority date (Note) -
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Abstract
A transport LAN segment service is provided over a transport network. Responsibilities for configuring, provisioning and forwarding over a transport LAN segment are divided between layer 2 and 3 service provider edge devices, where the layer 3 edge device handles discovery and tunneling responsibilities, the layer 2 edge device handles learning and flooding responsibilities, and information can be exchanged between the layer 2 and 3 edge devices. Configuration is simplified by advertising TLS-label information, layer 2 address learning, and flooding when the needed configuration information has not yet been learned or discovered.
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