Patent ID: 7224677
Filing Date: 2007-05-29
Classification: H04W

Abstract:
1. A method of operating a data communications network comprising a plurality of Access Routers (ARs) and at least one Mobile Node (MN), comprising: sending a message to a current AR (AR_current) of the MN, the message comprising information descriptive of at least one of a service and network access-related preference of the MN; in response to receiving the message at AR_current, determining if there is another AR in the vicinity of AR_current that satisfies the at least one of the service and network-access related preference; and if it is determined that there is another AR in the vicinity of AR_current that satisfies the at least one of the service and network-access related preference, informing the MN of the existence of the AR, where the MN does not have knowledge of the existence of the AR prior to being informed by AR_current of the existence of the AR.