NDLI: A target-delay-driven packet scheduling scheme for real-time interactive applications

Content Provider	IEEE Xplore Digital Library
Author	Lau, P.S.
Copyright Year	2009
Description	Author affiliation: Computer Engineering Technology, The University of Memphis, TN, USA (Lau, P.S.)
Abstract	Real-time interactive applications have become widespread exemplified by distance learning, online gaming, and voice/video conferencing. These applications have the most stringent packet delay requirement. If such packets arrive late to the recipients, exceeding the maximum tolerable delay, they will become obsolete and be dropped. In this paper, we propose to compute and use the difference, called the deadline, between the application dependent maximum delay requirement and the accumulated delay the packets experienced to guide the packet schedulers in selecting which packets to transmit next. The objective of this paper is to minimize the number of packets that exceed the maximum tolerable delay to their receivers. The resulting method is called the target-delay-driven scheduling in which the priority of a packet increases as its deadline decreases when traversing the network. Analysis and simulations show that the target-delay-driven scheduling has a significant delay performance improvement over the method without using the deadline in scheduling packets.
Starting Page	1
Ending Page	5
File Size	3228269
Page Count	5
File Format	PDF
ISBN	9788996076131
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-21
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	The Korean Institute of Information Scientists and Engineers (KIISE)
Subject Keyword	Scheduling algorithm Delay Application software Switches Packet switching Computer aided instruction Videoconference Performance analysis Quality of service Bandwidth priority remapping delay budget target-delay-driven deadline accumulated delay
Content Type	Text
Resource Type	Article

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