Please use this identifier to cite or link to this item: https://doi.org/10.1109/TCOMM.2007.898846
Title: An absolute QoS framework for loss guarantees in optical burst-switched networks
Authors: Phùng, M.H. 
Chua, K.C. 
Mohan, G. 
Motani, M. 
Wong, D.T.C.
Keywords: Absolute quality of service (QoS)
Computer networks
Edge-to-edge QoS provisioning
Optical burst switching
Wavelength division multiplexing
Issue Date: Jun-2007
Source: Phùng, M.H., Chua, K.C., Mohan, G., Motani, M., Wong, D.T.C. (2007-06). An absolute QoS framework for loss guarantees in optical burst-switched networks. IEEE Transactions on Communications 55 (6) : 1191-1201. ScholarBank@NUS Repository. https://doi.org/10.1109/TCOMM.2007.898846
Abstract: In order to meet the requirements of real-time applications, Optical Burst Switched backbone networks need to provide quantitative edge-to-edge loss guarantees to traffic flows. For this purpose, there have been several proposals based on the relative differentiation quality of service (QoS) model. However, this model has an inherent difficulty in communicating information about internal network states to the edge in a timely manner for making admission control decisions. In this paper, we propose an absolute QoS framework to overcome this difficulty. The key idea is to offer quantitative loss guarantees at each hop using a differentiation mechanism and an admission control mechanism. The edge-to-edge loss requirement is then translated into a series of small per-node loss probabilities that are allocated to the intermediate core nodes. The framework includes a preemptive differentiation scheme, a node-based admission control scheme and an edge-to-edge reservation scheme. The schemes are analyzed and evaluated through simulation. It is shown that the framework can effectively offer quantitative edge-to-edge loss guarantees under various traffic conditions. © 2007 IEEE.
Source Title: IEEE Transactions on Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/54976
ISSN: 00906778
DOI: 10.1109/TCOMM.2007.898846
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