Push-pull services for the internet

Details Push-pull services for the internet Push-pull services for the internet

H - Electricity

04

L

H04L 12/16 (2006.01) G06F 17/30 (2006.01) H04L 1/16 (2006.01) H04L 12/18 (2006.01) H04L 29/06 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2270702

In an arrangement that employs a push-pull paradigm, information that is to be communicated to clients is broadcast, or multicast, to cache servers, wherein the information is cached in preparation for its being pulled by clients. By pushing information to points close to the clients, both source overload and network overload are avoided. The pushed information in the disclosed approach is transmitted over Internet links, or over other communication channels, such as cable and radio systems. In operation, clients subscribe to specific services of the provider, an association is established between the subscribing client and a cache server, and the server informs the network that it should be included among the destinations to which information from the provider is transmitted. When information is subsequently transmitted by the provider and received by the cache servers, it is stored in the cache server in preparation for its being pulled by the clients, as desired and when desired.

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