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On RTP filtering for network traffic reduction

Published: 24 November 2008 Publication History

Abstract

At present RTP is the de facto protocol used for real time traffic in the Internet, typically running over UDP. Unless higher priority is given to RTP traffic, excessive jitter can be experienced rendering the respective packets useless at the receiver. We propose a new framework, under which such packets are identified and filtered out as soon as possible at intermediate routers, freeing network bandwidth. Our proposal is simple and scalable relative to the number of participating routers.

References

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Cheng H., Chen Z., Hua B., Tang X. 2008. Scalable Packet Classification Using Interpreting A Cross-platform Multicore Solution. Proceedings of the 13th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (PPoPP'08, February 2008), 33--42.
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Costeux J., Guyard F., Bustos A. 2006. QRP08-5: Detection and Comparison of RTP and Skype Traffic and Performance. Proceedings of the IEEE Global Telecommunications Conference (GLOBECOM '06). 1--5.
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Deri L. 2007. High-Speed Dynamic Packet Filtering. Journal of Network and Systems Management. Springer. 15, 3. 401--415.
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ITU. 1996. ITU-T Recommendation G. 113.
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Kurose J., Ross K. 2007. Computer Networking: A Top-Down Approach Featuring the Internet, Fourth Edition. Pearson Education, Inc.
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Li F., Stol N. 2002. A Study on Traffic Shaping, Policing and Conformance Deterioration for QoS Contracted Networks. Proceedings of the IEEE Global Telecom. Conf. (GLOBECOM'02, Taipei, Taiwan). 17--21.
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Lin P., Lin Y., Lee T., La Y. 2008. Using String Matching for Deep Packet Inspection. IEEE Computer. 41, 4. 23--28.
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RFC 2597. Assured Forwarding PHB Group.
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RFC 3550. RTP: A Transport Protocol for Real-Time Applications.
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RFC 3551. RTP Profile for Audio and Video Conferences with Minimal Control.
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        cover image ACM Other conferences
        MoMM '08: Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
        November 2008
        488 pages
        ISBN:9781605582696
        DOI:10.1145/1497185
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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        Publication History

        Published: 24 November 2008

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        Author Tags

        1. RTP
        2. algorithm
        3. bandwidth
        4. filtering
        5. router

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