Invention Grant
- Patent Title: Fast convergence on link failure in multi-homed Ethernet virtual private networks
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Application No.: US14587839Application Date: 2014-12-31
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Publication No.: US09787573B2Publication Date: 2017-10-10
- Inventor: Nitin Singh , Anshu Verma , Sudha Madhavi Yeevani , Manoj Sharma , Hassan C. Hosseini , Prasantha Kumar Gudipati
- 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: H04L1/00
- IPC: H04L1/00 ; H04L12/707 ; H04L12/703 ; H04L12/24 ; H04L12/46 ; H04L12/709

Abstract:
Techniques are described for providing fast convergence in the event of a link failure in an all-active multi-homed Ethernet virtual private network. A provide edge (PE) network device may pre-configure an interface next hop and secondary next hops. The secondary next hops may be logical links to other PE network devices in the same Ethernet segment. In the event of a link failure in the interface next hop between the PE network device and a customer edge (CE) network device, the PE network device may be configured to forward data traffic to the CE network device using the secondary next hops. In the event of a link failure between the PE network device and a core network, the PE network device may be configured to send an out-of-service message to the CE network device that instructs the CE network device to stop sending traffic to the PE network device.
Public/Granted literature
- US20160191374A1 FAST CONVERGENCE ON LINK FAILURE IN MULTI-HOMED ETHERNET VIRTUAL PRIVATE NETWORKS Public/Granted day:2016-06-30
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