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Communication Dans Un Congrès Année : 2017

A Novel Joint Routing and Channel Allocation Approach in Hybrid Data Center Network

Résumé

The explosion of traffic demands within data centers accentuates the conventional infrastructures ossification. Unfortunately, the traditional tree based architectures struggle to resist and suffer from congestion and wiring complexity which deeply deteriorate the network performance. In aim to address the QoS degradation, we put forward a Hybrid Data Center Network (HDCN) architecture based on CISCO's Massively Data Center (MSDC) model. Specifically, it combines both the wired (Fiber and/or Gigabit Ethernet) and wireless communications based on 60 GHz band (IEEE 802.11ad). Note that few related work have dealt with the optimization of multi-hop communications in HDCN infrastructures and hence the problem is still open. In this paper, we tackle the challenge of jointly i) routing and ii) allocating wireless channels for intra data centers flows, while considering beamforming antennas. For that, we propose a new strategy named Joint Routing and Channel Allocation Algorithm (JRCA-HDCN). To do so, first the problem is formulated as a Minimum Weight Perfect Matching. Then, our resolution is based on the Blossom algorithm. JRCA-HDCN aims to maximize the throughput of intra-HDCN communication over the wireless and/or wired infrastructure. Based on extensive simulations, conducted in QualNet simulator while considering the full protocol stack, the obtained results show that our proposal outperforms the related prominent strategies in terms of i) end-to-end delay, ii) throughput and iii) spectrum spatial reuse.
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Dates et versions

hal-01797830 , version 1 (22-05-2018)

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Boutheina Dab, Ilhem Fajjari, Nadjib Aitsaadi. A Novel Joint Routing and Channel Allocation Approach in Hybrid Data Center Network. 2017 14th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON), Jun 2017, San Diego, CA, United States. ⟨10.1109/SAHCN.2017.7964905⟩. ⟨hal-01797830⟩
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