Zhang Jie, Zhao Yongli, Chen Xue, Ji Yuefeng, Zhang Min, Wang Hongxiang, Zhao Yong, Tu Yong, Wang Zhenyu, Li Han
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, China.
Opt Express. 2011 Dec 12;19(26):B746-55. doi: 10.1364/OE.19.00B746.
A scalable framework named Dual Routing Engine Architecture in Multi-layer, multi-domain and multi-constraints scenarios (DREAM) is proposed for the routing issue in large-scale dynamic optical networks. DREAM-based optical transport network testbed with 1000 control plane nodes and multi-terabit per second ODUk electrical cross-connects is first experimentally demonstrated. Two proposed routing schemes, i.e. DRE Forward Path Computation (DRE-FPC) and Hierarchical DRE Backward Recursive PCE-based Computation (HDRE-BRPC) are deployed and validated on the testbed, compared with traditional hierarchical routing (HR) scheme. Experimental results show the good performance of DREAM.
针对大规模动态光网络中的路由问题，提出了一种名为多层、多域和多约束场景下的双路由引擎架构（DREAM）的可扩展框架。首次通过实验展示了基于DREAM的光传输网络试验平台，该平台具有1000个控制平面节点和每秒多太比特的ODUk电交叉连接。在试验平台上部署并验证了两种提出的路由方案，即DRE前向路径计算（DRE-FPC）和基于分层DRE反向递归PCE的计算（HDRE-BRPC），并与传统分层路由（HR）方案进行了比较。实验结果表明了DREAM的良好性能。
