NDLI: Dynamic RWA scheme using fuzzy logic control (FLC RWA) on IP with GMPLS over DWDM networks

Content Provider	IEEE Xplore Digital Library
Author	I-Shyan Hwang I-Feng Huang Shin-Cheng Yu
Copyright Year	2004
Description	Author affiliation: Dept. of Comput. Sci. & Engr., Yuan-Ze Univ., Chung-li, Taiwan (I-Shyan Hwang)
Abstract	The tremendous capacity of WDM networks with IP should be optimized to carry traffic for Internet applications. Moreover, a new technique called generalized MPLS (GMPLS) is developed for combining all network technologies including ATM, SONET/SDH, TDM, and DWDM. The standard of GMPLS is established by IETF. In the framework of GMPLS, a virtual path must be set up before packets are delivered. The routing and wavelength assignment (RWA) algorithm efficiently manages optical network resources and the RWA problem is separated from the optical topology. This paper proposes a dynamic FLC RWA scheme using fuzzy logic control on IP with GMPLS over DWDM networks to achieve the best quality of network transmission. The proposed algorithm dynamically allocates network resources and reserves partial bandwidth based on the current network status, which includes the request bandwidth, average utilization for each wavelength and its coefficient of variance (C. V.) of data traffic, to determine whether the connection can be set up. Five fuzzy sets for request bandwidth, average rate and C. V. of data traffic are used to divide the variable space: very large (LP), large (SP), normal (ZE), small (SN), and very small (LN). Setting the fuzzy limit is a key part in the proposed algorithm. The simulation of scenarios in this paper has two steps. In the first step, the appropriate Fuzzy Limits are evaluated based on simulation results pertaining to six network statuses. The second step is to compare the FLC RWA algorithm with periodic measurement of traffic (PMT) in ATM networks in six network situations to show that the proposed FLC RWA algorithm can provide better network transmission.
Sponsorship	IEEE Systems, Man and Cybernetics Soc
Starting Page	1049
Ending Page	1056
File Size	771753
Page Count	8
File Format	PDF
ISBN	0780381939
ISSN	18107869
DOI	10.1109/ICNSC.2004.1297092
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-03-21
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fuzzy logic Wavelength division multiplexing Bandwidth Telecommunication traffic Resource management Optical fiber networks Fuzzy sets Traffic control WDM networks Communication system traffic control
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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