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A Comparative Study of Path Level Traffic Grooming Strategies for WDM Optical Networks with Dynamic Traffic - Invited Paper

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2 Author(s)
Balasubramanian, S. ; Dept. of Electr. & Comput. Eng., Iowa State Univ., Ames, IA ; Somani, A.K.

Traffic grooming continues to be a rich area of research in WDM optical networks. In this paper, we identify four kinds of path level traffic aggregation/grooming strategies - point to point (P2P), point to multi-point (P2MP), multi-point to point (MP2P), and multi-point to multi-point (MP2MP). We develop an auxiliary graph based approach as a generic network dimensioning solution for these architectures. Using our model, we compare the performance of various architectures employing path level aggregation in both single hop and multi-hop scenarios. For the studied scenarios, we observe the following - (1) MP2MP outperforms other architectures by multiple orders of magnitude in single hop networks, (2) P2P performs the best in multi-hop transceiver constrained scenarios, and (3) P2MP performs the best in multi-hop wavelength constrained scenarios.

Published in:

Computer Communications and Networks, 2008. ICCCN '08. Proceedings of 17th International Conference on

Date of Conference:

3-7 Aug. 2008