Reliability and availability of distributed servers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 1, 2015
Grant Date -
Jan 16, 2014
app pub date -
Dec 21, 2012
filing date -
Oct 30, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A system of network proxies distributes data to multiple servers. Each network proxy is associated with a server. A network proxy intercepts a client request for data. If the network proxy determines that the request can be served using a copy of data stored on the local server, rather than the data stored on a remote server, it diverts the request to the local server. If the network proxy determines that the request cannot be served using a data from the local server, the network proxy diverts the request to a remote server storing the primary copy of the data. A server map specifies the locations of the primary copies of data. When a primary copy of data is updated on one of the servers, the associated network proxy propagates the updated data to the other servers. The servers can provide data from files, e-mail services, databases, or multimedia services.
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