A Coflow Classifier to Support the Flow Scheduling in Optical Burst Ring Network

• 1、State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876
• 2、State Key Laboratory of Information Ph

Abstract：With the rapid development of big data services and distributed computing systems, their network communication performance has been approaching the bottleneck. Unlike the characteristic of end-to-end services in the traditional network, their communication features are characterized by multipoint to multipoint and strong performance association between flows. To solve the communication problem of distributed computing system network, we need to identify and classify these collaborative flows which are named as Coflow, a network abstract concept for collection of flows that share a common performance goal. Meanwhile, relying on the structural advantages of the optical burst ring network, information interacting with low control overhead, and the features of burst switching with fine-grained bandwidth adjustment, we can achieve flow scheduling eventually. Thus the basic optical burst ring network can achieve effective computing system interconnection. This paper aims to extend the optical burst ring network node with a Coflow classifier, so that it can support Coflow\'s classification and scheduling. And through building the FPGA-based network switching platform, our experiments have successfully verified the effectiveness of the extension design.

keywords： network communication system optical switching Coflow flow classification flow scheduling

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