Method and apparatus for reliable publishing and subscribing in an unreliable network
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 16, 2003
app pub date -
Mar 28, 2003
filing date -
Mar 28, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and apparatus provide for executing publish-subscribe operations over unreliable networks. A subscription to content is received via a network. Content is published via the network based upon the subscription. More specifically, notifications concerning the content requested by the subscription are distributed or forwarded in/by the network. The publishing includes receiving a notification concerning the content at a node in the network, determining if the notification is to be forwarded to a neighboring node, and selectively forwarding the notification to the neighboring node, based upon the determination, using a reliable transmission protocol. In a network of routers with modules performing this method, the routers preferably selectively and reliably forward the notification until the notification is forwarded to one or more subscriber machines corresponding to the subscription.
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