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Method and system of overlay flow control

  • US 10,454,714 B2
  • Filed: 06/15/2017
  • Issued: 10/22/2019
  • Est. Priority Date: 07/10/2013
  • Status: Active Grant
First Claim
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1. A method for distributing routes by using a router precedence between a set of peer routers, the method comprising:

  • at a first router of the set of peer routers that connect devices through an external network;

    receiving a route through a first routing protocol;

    to distribute the route through a second routing protocol to a set of one or more of the peer routers that comprises at least a peer, second router, selecting a high priority, first community value from a prioritized list of community values, said high priority, first community value establishing the first router as a preferred router in a router precedence for forwarding packets according to the route by ensuring that any peer router that receives the route through the first router and the second router uses the first router to forward packets according to the route; and

    distributing the route, with the high priority, first community value, through the second protocol to the set of peer routers;

    wherein the second router selects a lower priority, second community value from the prioritized list of community values whenever the second router distributes the route through the second protocol to another router.

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