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We present DFabric, a 12-rack, 180-server DCN using multiwavelength switching and interconnection. DFabric implements real-time network traffic and per-link utilization monitoring, and full-stack optimization by jointly optimizing optical switching and network flow routing.
Optical switching shows great promise for the future intra data center network (DCN) interconnection applications. The network benefits of optical circuit switching for DCN applications are discussed, and recent work on optical switching-based DCN is reviewed.
We recently presented a highly advantageous DCN architecture that supports on-demand, run-time topology malleability using WDM and optical space/wavelength switching technologies. We further investigate some implementation-related issues including scalability, hop-by-hop latency and optical power budget.
Optical fiber-based access networks are being deployed to address the increasing demand for bandwidth and help to support multiple services. As for the future optical access networks, different technologies have been proposed and under investigations, including WDM-based passive optical networks (WDM-PON), optical coding division multiplexing -based PON (OCDM-PON), and orthogonal frequency division...
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