NDLI: On Traffic Allocations in Optical Packet Switches

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IEEE Journal on Selected Areas in Communications - December

Table of Contents - December 2007- Vol. 25, No. 9 - Part Supplement

IEEE Communications Society

Near-Term Future of the Optical Network in Question?

Advances in Peer-to-Peer Streaming Systems [Guest Editorial]

Optimization of Semi-Dynamic Lightpath Rearrangements in a WDM Network

Characterizing Peer-to-Peer Streaming Flows

A Reinforcement Learning Framework for Path Selection and Wavelength Selection in Optical Burst Switched Networks

An Empirical Study of the Coolstreaming+ System

An Evaluation of Distributed Parallel Reservations in Wavelength-Routed Networks

Inferring Network-Wide Quality in P2P Live Streaming Systems

Optimal Wavelength Sharing Policies in OBS Networks Subject to QoS Constraints

R2: Random Push with Random Network Coding in Live Peer-to-Peer Streaming

Dynamic Traffic Grooming in Optical Networks with Wavelength Conversion

Graph Based Analysis of Mesh Overlay Streaming Systems

Network Dimensioning under Scheduled and Random Lightpath Demands in All-Optical WDM Networks

Understanding the Power of Pull-Based Streaming Protocol: Can We Do Better?

Rapid and Efficient Protection for All-Optical WDM Mesh Networks

A Comparison of Resilient Overlay Multicast Approaches

Achieving Shared Protection for Dynamic Multicast Sessions in Survivable Mesh WDM Networks

Push-to-Peer Video-on-Demand System: Design and Evaluation

Using Topology Aggregation for Efficient Shared Segment Protection Solutions in Multi-Domain Networks

VMesh: Distributed Segment Storage for Peer-to-Peer Interactive Video Streaming

On Traffic Allocations in Optical Packet Switches

Enabling Confidentiality of Data Delivery in an Overlay Broadcasting System

Spectral Efficiency Study of QC-CHPCs in Multirate Optical CDMA System

Peer to Peer Networks for Defense Against Internet Worms

IEEE Communications Society 2007 Board of Governors

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On Traffic Allocations in Optical Packet Switches

Content Provider	IEEE Xplore Digital Library
Author	Yi Li Gaoxi Xiao Ghafouri-Shiraz, H.
Copyright Year	1983
Abstract	In this paper, we study the impacts of traffic allocations on the performance of optical packet switches (OPS). In particular, two different cases are investigated where traffic loads are distributed over different (i) time slots (time dimension); and (ii) output ports (space dimension), respectively. These two cases are of significant importance as each has different applications and they form the basis of some more complicated schemes. Our main contributions are three fold. Firstly, for the most fundamental OPS configuration, we prove that its packet loss is a convex function of traffic load. For any other node configuration, we prove that its packet loss remains as a convex function of traffic load as long as a simple condition is satisfied. Secondly, for any OPS with its packet loss as a convex function of traffic load, we propose a simple algorithm for efficiently comparing some different traffic allocations and telling which one of them leads to the lowest packet loss. We also show that in either time or space dimension, the best packet-loss performance is achieved when traffic loads are uniformly distributed. Thirdly, for OPS with limited capability of adjusting a given traffic distribution, we propose a Load Balancing (LB) algorithm to minimize the packet loss. These contributions provide some useful guidelines and algorithms for achieving efficient traffic allocations in various OPS networks.
File Size	502710
File Format	PDF
ISSN	07338716
Volume Number	25
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical packet switching Telecommunication traffic Optical wavelength conversion Optical buffering Optical fiber networks Optical losses High speed optical techniques Optical fiber communication Space exploration Hardware
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering

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