Method, device, and system for establishing traffic engineering label switched path
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United States of America Patent
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Aug 28, 2018
Grant Date -
May 12, 2016
app pub date -
Dec 28, 2015
filing date -
Jun 28, 2013
priority date (Note) -
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Abstract
A method, a device, and a system establish a traffic engineering label switched path, which can implement effective isolation between tenants or between services, to ensure security of tenant topology information or service topology information. The method includes: receiving, by an egress node, a resource reservation protocol-traffic engineering RSVP-TE-based Path message sent by an ingress node; determining, by the egress node, whether identification information of a TE LSP and owner-related information corresponding to the TE LSP are stored; and if it is determined that the identification information of the TE LSP and the owner-related information corresponding to the TE LSP are not stored, storing, by the egress node, a correspondence between the identification information of the TE LSP and the owner-related information, and sending an RSVP-TE-based resource reservation Resv message to the ingress node. The present application is applicable to the field of communications.
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