Proxy cache preloader

Details Proxy cache preloader Proxy cache preloader

2005-08-02

2005-08-02

Robertson, David L. (Department: 2186)

Electrical computers and digital processing systems: multicomput

Distributed data processing

Processing agent

C711S156000

Reexamination Certificate

active

06925485

ABSTRACT:
The present invention is directed to a proxy cache preloader. According to an embodiment of the present invention, a Hyper Text Transfer Protocol (HTTP) client intermediary having a proxy cache is used to provide multiple client computing devices with access to Internet data in the cache. When a device needs access to Internet data (i.e., a web page), a preloader/refresh mechanism is employed which uses a preloader algorithm. In one embodiment, the preloader algorithm checks to see if the current request is for an HTTP Uniform Resource Locator (URL). If not, the data is re-loaded into the proxy cache. If the current request is a request for HTTP, the preloader mechanism determines if optimization is enabled for the URL. If not, the data is re-loaded into the proxy cache. Otherwise, an information retrieval method (e.g., an HTTP GET) optimization algorithm is employed.

REFERENCES:
patent: 2002/0038301 (2002-03-01), Aridor et al.
Fielding, et al., HTTP/1.1 summary page for RFC 2616, Jun. 1999, from http://www.w3.org/Protocols/rfc2616/rfc2616.html, 6 pages as printed.
Fielding, et al., HTTP/1.1 Section 9 of RFC 2616, Method Definitions, Jun. 1999, from http://www.w3.org/Protocol/rfc2616/rfc2616-sec9.html, 5 pages as printed.
Fielding, et al., HTTP/1.1 Section 13 of RFC 2616, Caching in HTTP, Jun. 1999, from http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html, 20 pages as printed.
Fielding, et al., HTTP/1.1 Section 14 of RFC 2616, Header Field Definitions, Jun. 1999, from http://www.w3.org/Protocols/rfc2616/rfc2616-sec-14.html, 39 pages as printed.

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