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IP Quality of Service Support for Soft Real-Time Applications
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. DOCS. (CORE)
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2005 (English)In: Fourth International Workshop on Real-time Networks, 2005Conference paper, Published paper (Refereed)
Abstract [en]

Large-scale real-time distributed applications for real-time control are emerging in many domains including defense, space, financial markets, telecommunication, and industrial automation. To guarantee the performance of these applications operating in large IP internetworks, a scalable quality of service (QoS) architecture is needed. While considerable work has been done in real-time scheduling and bandwidth reservation schemes, the issues of scalability and feasibility of these schemes in actual networks remain largely unexplored. We propose a scalable QoS architecture in support of real-time systems, and focus on the implementation and testing of our proposed architecture using a network testbed. The key modules of our implementation are a real-time middleware, a graphical performance-monitoring tool, and a policy-based management software. We have integrated these applications with an existing Linux Traffic Control (TC) tool to deploy a scalable DiffServ-like QoS architecture. Our evaluation shows that the proposed architecture considerably improves performance of real-time applications as compared to the "best-effort" case.

Place, publisher, year, edition, pages
2005.
Keyword [en]
real-time networks, QoS
Identifiers
URN: urn:nbn:se:uu:diva-20807OAI: oai:DiVA.org:uu-20807DiVA: diva2:48580
Available from: 2006-12-20 Created: 2006-12-20

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http://www.sm.luth.se/~kphanse/publications/RTN05.pdf

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Phanse, Kaustubh

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