Two-level content distribution system

Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network monitoring

Patent

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Details

709235, 709230, G06F 15163

Patent

active

060818409

ABSTRACT:
A system for efficiently distributing computer data files to remotely located end users over a communications network, such as the Internet. A source server is maintained with all of the data files for use by the end users. Several local servers are connected to the source server and contain subsets of the data contained in the source server. Users connect to a local server and request a data file. If the file is located at the local server, it is provided by the local server without the need to contact the source server. If the file is not located at the local server, the source server is contacted by the local server in order to get the file for the user. The local server monitors data file usage and can update the data it maintains locally based upon the determined usage. Various management functions are used at the source and local servers to coordinate the file transfers and inventory table updating. Different communications protocols are used for the data transfers to enhance the security of the system from user access to data only available to servers.

REFERENCES:
patent: 5706434 (1998-01-01), Kremen et al.
patent: 5740549 (1998-04-01), Reilly et al.
patent: 5802292 (1998-09-01), Mogul
patent: 5835087 (1998-11-01), Herz et al.
patent: 5872926 (1999-02-01), Levac et al.
Azer Bestavros; WWW Traffic Reduction and Load Balancing through Server-Based Caching; IEEE Concurrency; pp. 56 -67 Mar. 1997.

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