Distributed storage management system having a cache server and

Details Distributed storage management system having a cache server and Distributed storage management system having a cache server and

1997-07-29

1999-08-17

Ramirez, Ellis B.

G06F 1500

Patent

active

059405945

ABSTRACT:
The present invention is directed to a method and system for storing and managing objects, such as binary large objects (blobs) in a digital library system which includes a plurality of clients, an object server for storing an object, a cache server for storing an copy of the object, and a centralized server for storing information identifying the object as being stored in the object server and associating one or more of the clients with the cache server, in which one of the clients, as a requesting client, requests retrieval of an object, a copy of the requested object is sent from the cache server to the requesting client if the object is stored in said cache server, and a copy of said object is sent from the object server to said requesting client if the object is not stored in the cache server; and a copy of the requested object is sent from the object server to the cache server after the object server sends the object to the client, in which the object sent to the client is made available to the client regardless of whether sending of the copy of the object to the cache server is completed.

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Gwertzman et al., The Case for Geographical Push-Caching, Hot Topics in Operating Systems, (HotOS-V) Proceedings,. Fifth Workshop on, pp. 51-55, 1995.

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