Patent ID: 9438531
Filing Date: 2016-09-06
CPC Classification: H04L

Claim Text:
1. A computer-readable non-transitory medium comprising one or more instructions, that when executed on a processor configure the processor to perform one or more operations comprising: detecting, by a first Locator/Identifier Separation Protocol (LISP) router at an original location, a first network element having a first Internet Protocol (IP) address at the original location prior to migration; receiving, after the migration, at the first LISP router via a mapping database from a second LISP router at a target location remote from the original location, an entry mapping the first IP address to the IP address of the second LISP router; wherein both the first LISP router and the second LISP router are on the same subnet, and neither the first LISP router and the second LISP router are on the data path for network elements of the original location and the target location respectively; and updating, by the first LISP router, a cache of the mapping database at the first LISP router to configure the first LISP router to route, to the second LISP router, traffic targeted to the first network element through the first LISP router.