Patent ID: 7318096
Filing Date: 2008-01-08
Classification: H04L,H04Q

Abstract:
1. A method performed by a network node coupled to a passive optical network interface and to one or more network clients, the method comprising: detecting a disablement of the passive optical network interface; storing in a memory address association information indicating association of network addresses with the one or more network clients upon detecting the disablement, wherein the memory comprises a memory associated with the network node coupled to the one or more network clients; retrieving from the memory the stored address association information upon recovery of the passive network interface from the disablement; and reestablishing the association of the network addresses and the one or more network clients based on the retrieved address association information, wherein the disablement comprises a network disablement in which the passive optical network interface loses state information indicating association of the network addresses with the one or more network clients.