Fast topology convergence for hierarchical routing in automatically switched optical network (ASON)

Aibo Liu; Yueming Lu; Yuefeng Ji

doi:10.1117/12.520216

15 April 2004 Fast topology convergence for hierarchical routing in automatically switched optical network (ASON)

Aibo Liu, Yueming Lu, Yuefeng Ji

Proceedings Volume 5282, Network Architectures, Management, and Applications; (2004) https://doi.org/10.1117/12.520216
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

It is well known that traditional routing protocols such as OSPF have mature and efficient mechanism to deal with the convergence problem. But, it is different in hierarchical routing ASON network. The optical network has its own distinct routing features, topology aggregation and abstraction used in inter-domain routing make the view of network topology different to each routing layer, all these factors demand a creative way to converge and synchronize the hierarchical network. This paper will depict the architecture of ASON hierarchical routing and the requirement of inter-domain routing. Based on the fundamental depiction, the factors that affect the convergence and synchronization of ASON network will be focused on and critical issues of the reasonable layout of routing layers, topology synchronization between layers, the triggering of topology update etc will be worked over. In this paper, we try to bring forward a kind of parallel topology convergence mechanism depending on the exchange of topology abstracts information, which is suitable for inter-domain routing in multiple layers and domains ASON network. The corresponding performance analysis will also be presented. Also we analyze the update triggering with relative threshold which will be useful to reduce the diffuse range and amount of the update messages in hierarchical routing. These new methods will decrease the convergence time efficiently and improve the efficiency of topology refresh.

Citation Download Citation

Aibo Liu, Yueming Lu, and Yuefeng Ji "Fast topology convergence for hierarchical routing in automatically switched optical network (ASON)", Proc. SPIE 5282, Network Architectures, Management, and Applications, (15 April 2004); https://doi.org/10.1117/12.520216

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