A Weighted Fair Packet Scheduling Method Allowing Packet Loss 


Vol. 35,  No. 9, pp. 1272-1280, Sep.  2010


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  Abstract

WFQ (Weighted Fair Queuing) provides not only fairness among traffic flows in using bandwidth but also guarantees the Quality of Service (QoS) that individual flow requires, which is why it has been applied to the resource reservation protocol (RSVP)-capable router. The RSVP allocates an enough resource to satisfy both the rate and end-to-end delay requirements of the flow in condition of no packet loss, and the WFQ guarantees those QoS requirements with the allocated resource. In a practice, however, most QoS-guaranteed services, specially the Voice of IP, allow a few percent of packet loss, so it is strongly desired that the RSVP and WFQ make the best use of this allowable packet loss. This paper enhances the WFQ to allow packet loss and investigates its performance. The performance evaluation showed that allowing the packet loss of 0.4% can improve the flow admission capability by around 40 percent.

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  Cite this article

[IEEE Style]

T. Kim, "A Weighted Fair Packet Scheduling Method Allowing Packet Loss," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 9, pp. 1272-1280, 2010. DOI: .

[ACM Style]

Tae-Joon Kim. 2010. A Weighted Fair Packet Scheduling Method Allowing Packet Loss. The Journal of Korean Institute of Communications and Information Sciences, 35, 9, (2010), 1272-1280. DOI: .

[KICS Style]

Tae-Joon Kim, "A Weighted Fair Packet Scheduling Method Allowing Packet Loss," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 9, pp. 1272-1280, 9. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880