The introduction of ATM in wireless CPN environments (WATM) necessitates the design of mobility signalling protocols, since the existing versions of B-ISDN signalling do not support terminal mobility. These protocols can be deployed either as extensions to the standard signalling capabilities, or as individual solutions that have little or no impact on existing infrastructures (switches, signalling software, etc.). In this paper, we present a WATM architecture that adopts the latter approach. We briefly present several problems that emerge during the integration of wireless networking and B-ISDN ATM technologies. We discuss the design of a mobility management & control protocol (MMC). Finally, we show how registration and forward handover are structured in light of the MMC protocol.
