Patent ID: 7720054
Filing Date: 2010-05-18
Classification: H04L,Y02D

Abstract:
1. A method in a router, the method comprising: identifying by the router an active path connected to the router and including at least first and second active links each terminated by the router and connecting the router to a first neighboring router that terminates the first and second active links, the first and second active links each configured for sending or receiving Internet Protocol (IP) data packets; monitoring by the router prescribed attributes of the active path, the active path providing reachability by the router to a destination via the first neighboring router, the prescribed attributes of the active path based on an aggregation of at least selected ones of the prescribed attributes of the first active link and the second active link; detecting by the router a change in at least one of the prescribed attributes of the connected active path, the change distinct from and not changing an availability of the active path; and outputting by the router an update message, specifying the change in the active path, to a second neighboring router in response to the detected change and according to a prescribed routing protocol.