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In this paper, we propose a new algorithm, Waveband Routing with Layered Auxiliary Graph (WRLAG), to perform the inter-domain and intra-domain routing in multi-domain optical networks. We present the Layered Auxiliary Graph (LAG) that includes one virtual topology layer and multiple waveband-plane layers to compute a single-hop, or multi-hop or hybrid waveband route for each request based on the sub-path...
In optical Wavelength-Division-Multiplexing (WDM) networks, multicast becomes more and more popular to provide high-speed communication between one point and multiple points. At the same time, the ports of Optical Cross-Connect (OXC) are greatly enhanced with the increasing number of wavelengths in fibers, and then the waveband switching technique is proposed to save the ports and reduce the cost...
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