Patent ID: 9705590
Date: 2017-07-11
CPC Classifications: H04B,H04L,H04Q

Claim:
1. A method for restoring Internet protocol service after failure of a first Internet protocol layer router located in a first network office, the first network office including a first optical layer element connected directly with the first Internet protocol layer router, the method comprising: by the first optical layer element, detecting the failure of the first Internet protocol layer router; and by the first optical layer element, transmitting a request to a second optical layer element in a second network office to coordinate replacement of a link for Internet protocol traffic to the failed first Internet protocol layer router with a new link for Internet protocol traffic to a redundant Internet protocol layer router co-located in the first network office, the new link to the redundant Internet protocol layer router using an inter-office optical connection between the first optical layer element and the second optical layer element.