A Multicast Protocol for Content-Based Publish-Subscribe Systems
Keywords:
Multicast, Publishers, Subscribers, information spaces, OMG, content-based routing
Abstract
The publish/subscribe (or pub/sub) paradigm is a simple and easy to use model for interconnecting applications in a distributed environment. Many existing pub/sub systems are based on pre-defined subjects, and hence are able to exploit multicast technologies to provide scalability and availability. An emerging alternative to subject-based systems, known as content-based systems, allow information consumers to request events based on the content of published messages. This model is considerably more flexible than subject-based pub/sub, however it was previously not known how to efficiently multicast published messages to interested content-based subscribers within a network of broker (or router) machines. In this paper, we develop and evaluate a novel and efficient technique for multicasting within a network of brokers in a content-based subscription system, thereby showing that content-based pub/sub can be deployed in large or geographically distributed settings.
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Published
2010-07-15
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Copyright (c) 2010 Authors and Global Journals Private Limited
This work is licensed under a Creative Commons Attribution 4.0 International License.