Supporting user mobility through cache relocation
Mobile Information Systems
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This paper proposes a relocation protocol of a replicated object in a widely distributed object system called Mobile Cache Protocol (MCP). MCP has four basic features: (1) It creates a replicated object and allocates it on an intermediate site to reduce the latency of object retrieval in a wide area network, (2) it supports both client and server oriented updates to achieve object consistency, (3) it supports reservation of replication of an object, and (4) several clients can share a replicated object to enhance storage efficiency.The protocol is summarized and implementation and various experiments of the protocol are described. Though it is designed for a distributed object based system, MCP also can be applied to dynamic web caching.