Method for sending and receiving a Boolean function over a network
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United States of America Patent
Stats
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Oct 3, 2006
Grant Date -
Aug 14, 2003
app pub date -
Jul 19, 2002
filing date -
Aug 15, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Conversion of subscription predicates for transmission in a publish-subscribe network. Subscriptions include Boolean-valued predicates defining content desired by a subscriber. An agent application converts the predicates into a suitable form for transmission to routers in a network core. The routers process the predicates into filter tables or data structures for use in content-based routing, which involves applying attributes in received packets to the filters. The agent also receives content corresponding with subscriptions and calls applications for presenting the content to a subscriber.
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