Scalable and QoS Aware Hierarchical AWGR-Based Solution for Hybrid Electro-Optic DCN Architecture

Author(s)	Sougata Bera, Chandi Pani
Country	India
Abstract	A Hybrid Electro-Optic Data Centre Network (DCN) Architecture enormously benefits network performance, scalability, and energy efficiency for cloud-centric applications in DCN. Application of Arrayed Waveguide Router (AWGR) provides a high-performance optical routing and Wavelength multiplexing capability in DCN. In this paper, our objective is to design a cost-effective, scalable, and QoS-aware hierarchical AWGR-based solution for real-time cloud-centric applications. Our proposed model enhances connectivity, reduces blocking probability, and ensures Quality of Service (QoS) compared with the limitations of single-layer AWGR implementations. To study the performance of the proposed model, an experimental setup is developed in the laboratory using the 5 Raspberry Pi module with 24 Top of Rack (ToR) switches and found 18.7% further improvement in blocking probability to single layer model.
Keywords	Hybrid Electro-Optic architecture, QoS, AWGR, Blocking Probability.
Field	Computer > Network / Security
Published In	Volume 7, Issue 1, January-February 2025
Published On	2025-02-07
DOI	https://doi.org/10.36948/ijfmr.2025.v07i01.36536

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