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Proceedings Article

Experimental demonstration of DREAMSCAPE with more than 1000 GMPLS-based control nodes

[+] Author Affiliations
Yongli Zhao, Jie Zhang, Min Zhang, Yuefeng Ji, Wanyi Gu

Beijing Univ. of Posts and Telecommunications (China)

Proc. SPIE 7989, Network Architectures, Management, and Applications VIII, 798918 (January 10, 2011); doi:10.1117/12.888282
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From Conference Volume 7989

  • Network Architectures, Management, and Applications VIII
  • Lena Wosinska
  • Shanghai, China | December 08, 2010

abstract

With the development of large scale multi-layer and multi-domain optical networks, path computation becomes more complicated as complex policies and constraints are to be considered and dynamic routing becomes one of the key issues in GMPLS/ASON networks. A novel Dual Routing Engine Architecture in Multi-layer and multi-domain Scalable and Constraint-Aware Policy-Enabled optical networks (DREAMSCAPE), exploiting the advantages of both GMPLS control plane and Path Computation Element (PCE), is introduced to improve the performance of routing in multi-layer and multi-domain optical networks in this paper. In the architecture, the cooperation of Group Engine (GE) and Unit Engine (UE) makes it effective to optimize path computation especially under complex multi-constraints. The functional architectures of dual routing engines are described in the paper. Based on this novel architecture, a testbed with more than 1000 GMPLS-based control nodes has been built in our lab using virtual machine technology, and two path computation approaches have been implemented on the testbed. The latest results are experimentally demonstrated on the testbed, and some future research issues are presented in the conclusion.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yongli Zhao ; Jie Zhang ; Min Zhang ; Yuefeng Ji and Wanyi Gu
"Experimental demonstration of DREAMSCAPE with more than 1000 GMPLS-based control nodes", Proc. SPIE 7989, Network Architectures, Management, and Applications VIII, 798918 (January 10, 2011); doi:10.1117/12.888282; http://dx.doi.org/10.1117/12.888282


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