Patent ID: 8576857
Filing Date: 2013-11-05
Classification: H04L

Abstract:
1. One or more machine-readable storage media storing instructions which instructions when executed by one or more processors, cause: obtaining data at a first router of a subscriber network; after obtaining the data, determining, at the first router of the subscriber network, based on the data, whether the first router is a service provider (SP)-facing router, wherein a SP-facing router is a router that is coupled to a SP router and no other router in the subscriber network is logically between the SP-facing router and the SP router; if it is determined that the first router is an SP-facing router, then storing, at the first router of the subscriber network, identification data that identifies the first router as an SP-facing router in the subscriber network; if it is determined that the first router is not an SP-facing router, then storing, at the first router of the subscriber network, identification data that identifies the first router as a non-SP-facing router in the subscriber network.