A new control architecture for optical burst switching networks

Authors:
Muhammad Asif Raza;Waqar Mahmood;Arshad Ali
Affiliations:
NUST Institute of Information Technology, National University of Sciences and Technology, Rawalpindi, Pakistan;Al-Khawarizmi Institute of Computer Science, University of Engineering and Technology Lahore, Pakistan;NUST Institute of Information Technology, National University of Sciences and Technology, Rawalpindi, Pakistan
Venue:
ICCOM'06 Proceedings of the 10th WSEAS international conference on Communications
Year:
2006

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Abstract

Two types of control architectures for control plane of optical burst switching networks have been defined in literature; first one is distributed with link-based reservation and second one centralized with end-to-end reservation. In this paper we propose a new hybrid control architecture which combines the best features of both of these architectures such as scalability features of distributed model and best resource utilization of centralized model. The proposed architecture is designed on the principle of clustering technique. Each cluster consists of cluster head and member nodes. Cluster head performs major functionalities like path establishment, resource management etc. while member nodes perform data switching functionality. Finally we evaluate the proposed architecture in terms of congestion to resolve scalability issue.