Distributed system and method for prefetching objects
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United States of America Patent
Stats
-
Jul 22, 2003
Grant Date -
Jan 24, 2002
app pub date -
Jul 12, 2001
filing date -
Aug 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A distributed proxy server is provided which reduces a delay associated with the retrieval of inline objects of web pages retrieved over a satellite link. The distributed proxy server includes a first component which runs on the browser side of the satellite link and communicates with web browsers, and a second component which runs on an Internet side of the satellite link and communicates with web servers. When a web page is requested over the satellite link and communicates with web servers. When a web page is requested over the satellite ink, the second component determines whether the parent file includes any references to inline objects, and prefetches each such inline object. The prefetched objects are transmitted over the satellite link to the first component, which in-turn stores the prefetched objets in a cache and provides the prefetched objects to the requesting web browser. The first component may also block browser requests for prefetched inline objects from unnecessarily being transmitted over the satellite link.
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