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Many approaches exist today that address the issues that arise when a mobile node changes its point(s) of attachment to the Internet. Mobile IP takes care of host mobility at the IP layer; others at the transport layer (Mobile SCTP) or at the application layer (SIP with re-invite). In practice, most of these approaches rely on functionality residing on the mobile host that scans, detects and activates the networks available through one or more network interfaces. The mechanism proposed in thisdoi:10.1145/990064.990092 dblp:conf/mobisys/PeddemorsZB04 fatcat:o6oogbsu4zgzxheihkmui2zom4