Importance

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Abstract

Disclosed are a method and system for transferring data objects from a server to a client in a distributed computing system. The disclosed method comprises the steps of: receiving, at the server, a request from the client for the data object; determining whether a cached copy of the requested object retained by the client is the same as a current version of the requested object retained by the server, wherein the cached copy and the current version are stored in a compressed form; and transmitting the current version of the requested object from the server to the client in the compressed form if the cached copy of the requested object is not the same as the current version of the requested object. The step of determining whether a cached copy of the requested object retained by the client is the same as a current version of the requested object comprises comparing a first relatively unique number computed on the basis of the current version of the requested object with a second relatively unique number computed on the basis of the cached copy of the requested object. The cached copy of the requested object is assumed to be the same as the current version of the requested object if the first relatively unique number is equal to the second relatively unique number.

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First Claim