NDLI: Guaranteed rate scheduling with adaptable excess bandwidth distribution

Content Provider	IEEE Xplore Digital Library
Author	Kai Zhu Viniotis, Y. Yan Zhuang
Copyright Year	2000
Description	Author affiliation: Center for Adv. Comput. & Commun., North Carolina State Univ., Raleigh, NC, USA (Kai Zhu)
Abstract	Although guaranteed rate (GR) schedulers such as WFQ (weighted fair queueing) can provide a hard delay bound for a leaky-bucket-conditioned traffic flow, the bandwidth requirement is high if the flow is bursty. On the other hand, the GR property is insensitive to how instantaneous excess bandwidth is distributed by a GR scheduler. Such excess bandwidth could be adaptively distributed to improve delay distribution tails. We present a sub-class of GR schedulers, called general dynamic guaranteed rate queueing (GDGRQ), for networks with fixed packet sizes. While keeping the GR property, GDGRQ schedulers can dynamically and arbitrarily distribute any excess bandwidth within short periods. GDGRQ is a framework for the design of schedulers that can both provide hard delay bounds and adaptively distribute excess bandwidth in order to control delay distribution tails and deliver statistical delay quality of service (QoS).
Starting Page	1457
Ending Page	1464
File Size	829651
Page Count	8
File Format	PDF
ISBN	0780363949
DOI	10.1109/ICCT.2000.890935
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-21
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Delay Traffic control Probability distribution Quality of service Processor scheduling Distributed computing Dynamic scheduling High-speed networks Scheduling algorithm
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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