METHOD, APPARATUS AND SYSTEM FOR MOBILITY MANAGEMENT AND EFFICIENT INFORMATION RETRIEVAL IN A COMMUNICATIONS NETWORK

摘要

A method and apparatus of forming a generic overlay network for efficient information retrieval in a communications network, comprising receiving (204) in a domain router (103) a register request from a mobile communications apparatus (106), the register request including an identification of said mobile communications apparatus; looking-up (205)) an address to a next-hop router (104) associated with the identification; sending (206) the register request to the next-hop router (104); receiving (210) a reply from the next-hop router (104); and if the reply includes an address to a home router (104), sending (211) a reply to the mobile communications apparatus (106) including the address of the home router (104), said reply initiating the establishment of a connection between the mobile communications apparatus (106) and the home router (104).