Patent ID: 8300614
Filing Date: 2012-10-30
Classification: H04L,H04W

Abstract:
1. A method of loop prevention in a unified split-plane mobility domain comprising: identifying a topology of unified switches for transporting message traffic, the message traffic defined by packets; identifying a set of links between the unified switches for forwarding message traffic packets, the links defined by ports on the unified switches; computing, based on a destination, at least one port corresponding to the destination, each of the links corresponding to a virtual tunnel or a physical connection and accessible via a port on the unified switch; determining, at a unified switch forwarding a packet to a destination, when forwarding on a particular port causes a loop back to the forwarding switch; identifying, in response to the determined loop, a loop rule, the loop rule indicative of another port for forwarding to the destination; and forwarding the packet on the port indicated by the loop rule, the indicated port corresponding to a different one of a tunnel or a physical port than the particular port causing the loop.