Wavelength assignment algorithm considering the state of neighborhood links for OBS networks

Yu Tanaka; Yusuke Hirota; Hideki Tode; Koso Murakami

doi:10.1117/12.631027

25 October 2005 Wavelength assignment algorithm considering the state of neighborhood links for OBS networks

Yu Tanaka, Yusuke Hirota, Hideki Tode, Koso Murakami

Proceedings Volume 6012, Optical Transmission Systems and Equipment for WDM Networking IV; 601209 (2005) https://doi.org/10.1117/12.631027
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

Recently, Optical WDM technology is introduced into backbone networks. On the other hand, as the future optical switching scheme, Optical Burst Switching (OBS) systems become a realistic solution. OBS systems do not consider buffering in intermediate nodes. Thus, it is an important issue to avoid overlapping wavelength reservation between partially interfered paths. To solve this problem, so far, the wavelength assignment scheme which has priority management tables has been proposed. This method achieves the reduction of burst blocking probability. However, this priority management table requires huge memory space. In this paper, we propose a wavelength assignment algorithm that reduces both the number of priority management tables and burst blocking probability. To reduce priority management tables, we allocate and manage them for each link. To reduce burst blocking probability, our method announces information about the change of their priorities to intermediate nodes. We evaluate its performance in terms of the burst blocking probability and the reduction rate of priority management tables.

Citation Download Citation

Yu Tanaka, Yusuke Hirota, Hideki Tode, and Koso Murakami "Wavelength assignment algorithm considering the state of neighborhood links for OBS networks", Proc. SPIE 6012, Optical Transmission Systems and Equipment for WDM Networking IV, 601209 (25 October 2005); https://doi.org/10.1117/12.631027

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available