Object-oriented modeling and design
Object-oriented modeling and design
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In this paper, we view mobility support as a bridging matter between fixed and mobile domains. In single domain systems, mobility is implicitly supported by access and location transparencies provided by the Distributed Processing Environment (DPE). Distributed telecommunication systems span, however, several domains that are controlled by different actors and may also be fixed or mobile. Mobility is no longer automatically supported since interoperability is not always guaranteed between domains. In order to provide interoperability between fixed or mobile domains, the agent concept is proposed. Mobility is, thereafter, made transparent to the applications by using the proxy concept.