Invention Grant
- Patent Title: Method for establishing high resilient active recovery for BGP route reflectors
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Application No.: US16984530Application Date: 2020-08-04
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Publication No.: US11368355B2Publication Date: 2022-06-21
- Inventor: Israel Means , Praveen Ramadenu
- Applicant: AT&T Intellectual Property I, L.P.
- Applicant Address: US GA Atlanta
- Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee Address: US GA Atlanta
- Agency: Guntin & Gust, PLC
- Agent Kenneth Kwan
- Main IPC: H04L12/24
- IPC: H04L12/24 ; H04L12/713 ; H04L41/0668 ; H04L45/586 ; H04L41/0893 ; H04L41/0677

Abstract:
A recovery route reflector with a monitoring module and a BGP state establishment module is peered with a plurality of primary route reflectors. Each of the plurality of primary route reflectors is peered with a set of provider edge devices. The BGP state between the recovery route reflector and the plurality of primary route reflectors is periodically monitored. When a primary route reflector fails the BGP state between the recovery route reflector and the failed primary route reflectors is idle, and the recovery route reflector establishes a peer session with the provider edge devices that had been peered with the failed route reflector.
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