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Implementation and demonstration of a credit-based home access point

Published: 25 October 2010 Publication History

Abstract

The increasing availability of high speed Internet access and the decreasing cost of wireless technologies has increased the number of devices in the home that wirelessly connect to the Internet. While home user applications often have different network requirements, the wireless access point (AP) typically gives them all the same treatment. It has been shown that applications that are sensitive to delay, such as VoIP, remote login and online games suffer degraded performance when running concurrently with applications that expand to fill the available capacity, such as file sharing and downloading. Unfortunately, there are few mechanisms available at the AP to mitigate these effects other than for users to explicitly classify traffic based on port numbers or host IP addresses. This work proposes a novel home access point called CHAP that features credit-based queue management designed to eliminate the need for explicit classification and configuration of per-application quality. CHAP is implemented as a Linux queuing discipline and compared with a traditional AP forWeb browsing and online game activities. The comparisons demonstrate the merits of our approach.

References

[1]
G. Armitage. An experimental estimation of latency sensitivity in multiplayer Quake 3. In 11th IEEE International Conference on Networks (ICON 2003), Sydney, Australia, September-October 2003.
[2]
C.-S. Lee, M. Claypool, and R. Kinicki. A Credit-based Home Access Point (CHAP) to Improve Application Performance on IEEE 802.11 Networks. In Proceedings of ACM Multimedia Systems (MMSys), Scottsdale, AZ, USA, February 2010.
[3]
G. Maier, A. Feldmann, V. Paxson, and M. Allman. On Dominant Characteristics of Residential Broadband Internet Traffic. In Proceedings of the ACM Internet Measurement Conference (IMC), Chicago, IL, USA, November 2009.
[4]
U. of California Berkeley. The Network Simulator - ns-2. Online at http://www.isi.edu/nsnam/ns/.

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  1. Implementation and demonstration of a credit-based home access point

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        cover image ACM Conferences
        MM '10: Proceedings of the 18th ACM international conference on Multimedia
        October 2010
        1836 pages
        ISBN:9781605589336
        DOI:10.1145/1873951
        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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        Association for Computing Machinery

        New York, NY, United States

        Publication History

        Published: 25 October 2010

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        Author Tags

        1. 802.11
        2. access point
        3. credit
        4. demonstration
        5. implementation
        6. queue management
        7. wireless network

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        MM '10
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        MM '10: ACM Multimedia Conference
        October 25 - 29, 2010
        Firenze, Italy

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        Overall Acceptance Rate 2,145 of 8,556 submissions, 25%

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