NDLI: Design of an Optical Packet Switch for Real-Time Applications

Content Provider	IEEE Xplore Digital Library
Author	Jaemyoun Lee Juyoung Park Kyung-Joon Park Kyungtae Kang
Copyright Year	2012
Abstract	Network switches are typically designed for best- effort Internet traffic. Most of existing studies have been focused on improving throughput and delay performance in an average sense rather than providing guaranteed delay bound that is critical for real-time applications. It has not been fully investigated how to design an efficient packet switching algorithm for real-time applications. In this paper, we propose a design framework for a real-time optical switch that is intended for use as an optical switch fabric. Our contributions are two folds: First, by introducing a clearance-time optimal switching together with clock-based scheduling, our switching design guarantees any feasible real-time traffic to be switched in two- clock periods. Second, we investigate key implementation issues of an optical packet switch such as packet size and buffering for real-time applications, and take account of these issues in design and performance evaluation of a switching algorithm. Our numerical study shows that the proposed switching algorithm provides a larger schedulability region with significantly reduced delay compared to the well-known iSLIP scheme.
Starting Page	1
Ending Page	6
File Size	142483
Page Count	6
File Format	PDF
ISBN	9781467314022
e-ISBN	9781467314015
DOI	10.1109/ICISA.2012.6220968
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-23
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Optical switches Optical buffering Optical packet switching Delay Clocks
Content Type	Text
Resource Type	Article

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