Security

Security Architectures and Algorithms for Publish-Subscribe Network Services

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Executive Summary

A large number of emerging Internet applications requires information dissemination across different organizational boundaries, heterogeneous platforms, and a large, dynamic population of publishers and subscribers. A publish-subscribe (Pub-Sub) network service is a wide-area communication infrastructure that enables information dissemination across geographically scattered and potentially unlimited number of publishers and subscribers. A wide-area pub-sub system is often implemented as a collection of spatially disparate nodes communicating on top of a peer-to-peer overlay network. In such an environment, publishers publish information in the form of events and subscribers have the ability to express their interests in an event or a pattern of events by sending subscription filters to the pub-sub network.

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