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Configured Replication for Mobile Applications

By Astrid Lubinski and Andreas Heuer

Abstract

Replication is an essential utility in mobile environments. Mobile units not connected to fixed networks are left with their own data resources which may or may not contain the necessary data. This paper describes benefits and problems using replication in mobile infrastructures. We compare different replication approaches for fixed and mobile systems. We show that traditional protocols are inadequate for the requirements of mobile environments, especially by accessing multimedia data. The objectives of replication, high availability, permanent consistency and low communication costs, are incompatible. Consequently, replication protocols must find suitable compromises. However, rather than creating a general approach for all possible mobile environments, we tailor suitable replication mechanisms for special mobile environments and data types. This approach allows for configured replication based on various environmental and data characteristics. Keywords: mobile information..

Topics: mobile information systems, replication, integrity, adaptability
Publisher: Kluwer Academic Publishers
Year: 2000
OAI identifier: oai:CiteSeerX.psu:10.1.1.36.4381
Provided by: CiteSeerX
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