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Performance Evaluation of the MAC Protocols for WDM Metro Ring with Wavelength-Shared Nodes Connecting Broadband Access Networks  

So Won-Ho (Dept of Computer Education, Sunchon National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.1, 2006 , pp. 111-120 More about this Journal
Abstract
In this paper, a node architecture of WDM metro network for connecting broadband access networks to converge wire/wireless networks. In consideration of the proposed node architecture and network requirements we proposed and evaluated medium access control protocols. We review WDM related technologies of sub-carrier multiplexing and optical components in order to resolve the bottleneck between optical backbone networks md access networks, and a access node architecture sharing common wavelength is introduced. Source-stripping (SS) MAC protocol Is evaluated under the proposed functional node architecture. DS+IS (Destination-Stripping and Source-Stripping) and DS+IS (Destination-Stripping and Intermediate-Stripping) MAC protocols are described to increase the slot-reuse factor which is low on SS MAC protocol. The key function of new MAC protocols regards the optical switch module of proposed node architecture and helps intermediate or source access nodes for dropping slots to destinations of different wavelength group. Thus, slot-reuse factor increases as the MAC protocols reduce the unnecessary ring-rotation of transferred slots. We use a numerical analysis to expect bandwidth efficiency and maximum throughput by slot-reuse factor Throughput network simulation, the verification of throughput, queuing delay, and transmission fairness are compared among MAC protocols.
Keywords
MAC; WDM; Optical Ring; Access Node; Optical Metro Networks;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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