Patent ID: 9225590
Filing Date: 2015-12-29
Classification: H04L

Abstract:
1. A Graceful Restart (GR) method for a network with multiple GR Restarters that include a first GR Restarter and at least one second GR Restarter corresponding to the first GR Restarter, the method comprising the first GR Restarter: after receiving information on routes from all normal neighbor network devices of the first GR Restarter, performing route selection to determine first selected routes, and sending information on the first selected routes to the at least one second GR Restarter, after receiving information on routes from the at least one second GR Restarter, performing route selection to determine second selected routes, updating a local Forwarding Information Base (FIB) at the first GR Restarter with information on the second selected routes, and sending the information on the second selected routes to all neighbor network devices of the first GR Restarter; wherein the first GR Restarter directly connects with the at least one second GR Restarter corresponding to the first GR Restarter.