Invention Grant
- Patent Title: Inter-area LDP node protection
- Patent Title (中): 区域内LDP节点保护
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Application No.: US14586829Application Date: 2014-12-30
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Publication No.: US09590845B1Publication Date: 2017-03-07
- Inventor: Santosh Esale , Raveendra Torvi , Yakov Rekhter
- Applicant: Juniper Networks, Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: Juniper Networks, Inc.
- Current Assignee: Juniper Networks, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Shumaker & Sieffert, P.A.
- Main IPC: G01R31/08
- IPC: G01R31/08 ; H04L12/24 ; H04L12/723

Abstract:
Techniques are described for providing fast reroute inter-area node protection for label switched paths (LSPs) using label distribution protocol (LDP). In one example, a network device may be configured to determine that a protected node is an area border router, and use network topology information, obtained by an Interior Gateway Protocol (IGP) executing on the network device, to identify a second area border router in the same IGP area as the protected node, to which to automatically establish a bypass LSP and a targeted LDP session.
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