A novel PCE-based algorithm for P2MP inter-domain traffic engineering in optical networks

Koubo Wu; Jie Zhang; Yongli Zhao; Ziyan Yu; Wanyi Gu; Dajiang Wang; Xuping Cao

doi:10.1117/12.904385

15 December 2011 A novel PCE-based algorithm for P2MP inter-domain traffic engineering in optical networks

Koubo Wu, Jie Zhang, Yongli Zhao, Ziyan Yu, Wanyi Gu, Dajiang Wang, Xuping Cao

Proceedings Volume 8310, Network Architectures, Management, and Applications IX; 831011 (2011) https://doi.org/10.1117/12.904385
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

Point-to-Multipoint (P2MP) services in optical networks are more and more important for high-capacity applications. Steiner tree algorithms have been investigated to compute minimum-cost multicast tree. However, it is difficult to compute an optimal P2MP tree in multi-domain networks because of isolation of each domain. There are several algorithms based on Path Computation Element (PCE) for computing multi-domain Point-to-point path, but computing P2MP Traffic Engineering Label Switched Path (TE-LSP) in a multi-domain networks is still a challenge. In this paper, three PCE-based schemes for P2MP inter-domain LSP computation are compared in full splitting capability networks, and a novel Multi-Domain Minimum-cost Path Heuristic (MDMPH) algorithm is proposed. Simulation results proved that the MDMPH algorithm computes P2MP tree with less cost than the other three schemes.

Citation Download Citation

Koubo Wu, Jie Zhang, Yongli Zhao, Ziyan Yu, Wanyi Gu, Dajiang Wang, and Xuping Cao "A novel PCE-based algorithm for P2MP inter-domain traffic engineering in optical networks", Proc. SPIE 8310, Network Architectures, Management, and Applications IX, 831011 (15 December 2011); https://doi.org/10.1117/12.904385

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KEYWORDS

Computer simulations

Optical networks

Networks

Optical engineering

Detection and tracking algorithms

Algorithm development

Photonics

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