TY - JOUR
T1 - Routing and wavelength assignment vs. wavelength converter placement in all-optical networks
AU - Li, Bo
AU - Chu, Xiaowen
AU - Sohraby, Kazem
N1 - Funding Information:
KAZEM SOHRABY ([email protected]) is a professer and head of the Computer Science and Computer Engineering Department, College of Engineering, University of Arkansas in Fayetteville. Prior to that he was with Bell Laboratories, Holmdel, New Jersey. His areas of interest include computer networking, signaling, switching, performance analysis, and traffic theory. He has over 20 applications and granted patents on computer protocols, wireless and optical systems, circuit and packet switching, and optical Internet. He has several publications, including a book on the performance and control of computer communications networks. He is a Distinguished Lecturer of IEEE Communications Society, and serves as its President’s representative on the Committee on Communications and Information Policy. He served on the Education Committee of ComSoc, is on the editorial boards of several publications, and has served as reviewer and panelist with the National Science Foundation, the U.S. Army, and the Natural Sciences and Engineering Research Council of Canada. He received B.S., M.S., and Ph.D. degrees in electrical engineering, and an M.B.A., from the Wharton School, University of Pennsylvania.
Funding Information:
The work is supported in part by RGC grants under contracts AoE/E-01/99.
PY - 2003/8
Y1 - 2003/8
N2 - Blocking has been the key performance index in the design of an all-optical network. Existing research demonstrates that an effective routing and wavelength assignment strategy and a proper wavelength converter placement algorithm are the two primary vehicles for improving the blocking performance. However, these two issues have largely been investigated separately in that the existing RWA algorithms have seldom considered the presence of wavelength conversion, while the wavelength converter placement algorithms have largely assumed that a static routing and random wavelength assignment algorithm is employed. The main objective of this article is to present some strong evidence that these two issues need to be considered jointly, and call for the reexamination of both RWA and wavelength converter placement.
AB - Blocking has been the key performance index in the design of an all-optical network. Existing research demonstrates that an effective routing and wavelength assignment strategy and a proper wavelength converter placement algorithm are the two primary vehicles for improving the blocking performance. However, these two issues have largely been investigated separately in that the existing RWA algorithms have seldom considered the presence of wavelength conversion, while the wavelength converter placement algorithms have largely assumed that a static routing and random wavelength assignment algorithm is employed. The main objective of this article is to present some strong evidence that these two issues need to be considered jointly, and call for the reexamination of both RWA and wavelength converter placement.
UR - http://www.scopus.com/inward/record.url?scp=0042921191&partnerID=8YFLogxK
U2 - 10.1109/MCOM.2003.1222717
DO - 10.1109/MCOM.2003.1222717
M3 - Journal article
AN - SCOPUS:0042921191
SN - 0163-6804
VL - 41
SP - S22-S28
JO - IEEE Communications Magazine
JF - IEEE Communications Magazine
IS - 8
ER -