NDLI: Topic-based resource allocation for real-time publish/subscribe communication systems

Content Provider	IEEE Xplore Digital Library
Author	Jian Li XiaoQiang Ji Xue Liu JianGuo Yao Gopalakrishnan, S. Fei Hu
Copyright Year	2010
Description	Author affiliation: School of Computer Science, McGill University, Canada (Xue Liu) \|\| School of Software, Shanghai Jiao Tong University, China (Jian Li; XiaoQiang Ji; Fei Hu) \|\| Department of Electrical and Computer Engineering, University of British Columbia, Canada (Gopalakrishnan, S.) \|\| School of Astronautics, Northwestern Polytechnical University, China (JianGuo Yao)
Abstract	We address the issue of supporting real-time message dissemination in a publish/subscribe system. The asynchronous operation and connection brokering approach embodied in the publish/subscribe paradigm aid scalability and support varied topologies. These advantages, however, create challenges for providing predictable performance for real-time applications. We propose an efficient design for message queuing and forwarding by brokers in a publish/subscribe system. We differentiate messages by topics and not just be publishers or subscribers. Our real-time publish/subscribe design is analogous to the design of packet routers for high-speed networks. We manage input and output message queues per-client and per-topic. This approach facilitates a multiple-input multiple-output architecture and provides performance isolation for different topics. This approach differs from conventional system architectures that either use first-in first-out ordering of messages or employ per-client (not per-topic) prioritization. Our framework can provide deterministic upper bounds on delay for periodic and general (σ; ρ)-bounded real-time message flow in a publish/subscribe system with low overhead.
Starting Page	1
Ending Page	9
File Size	1336214
Page Count	9
File Format	PDF
e-ISBN	9780984589333
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	Integrated circuits
Content Type	Text
Resource Type	Article

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