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<p>Datacenters offer a scalable IT infrastructure that meets the growing demands for computing power and storage while minimizing operating costs and energy consumption. Software-Defined Networking (SDN) is an advanced networking paradigm that segregates the control plane from the data plane, aiming to simplify the management of network resources and reduce complexity. Optical Burst Switching (OBS) consumes less energy compared to electronic switching approaches and offers greater flexibility than other optical switching approaches for handling bursty datacenter traffic. Another advantage of OBS is the separation of control and data planes, which simplifies network programmability using SDN specifications. This paper proposes an optical datacenter network architecture based on Optical Burst Switching (OBS) and aligned with SDN specifications. To implement this architecture, a new flow table structure is adopted, along with a new burst scheduling algorithm. Simulation results demonstrate the effectiveness of this architecture, achieving zero burst loss, high throughput, and low burst delay. The results also confirm that the proposed approach can provide QoS differentiation between flow classes in terms of delay through appropriate flow table configuration.</p>

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Software-defined optical networking for high throughput and delay differentiation in datacenters

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Salek Riadi

摘要

Datacenters offer a scalable IT infrastructure that meets the growing demands for computing power and storage while minimizing operating costs and energy consumption. Software-Defined Networking (SDN) is an advanced networking paradigm that segregates the control plane from the data plane, aiming to simplify the management of network resources and reduce complexity. Optical Burst Switching (OBS) consumes less energy compared to electronic switching approaches and offers greater flexibility than other optical switching approaches for handling bursty datacenter traffic. Another advantage of OBS is the separation of control and data planes, which simplifies network programmability using SDN specifications. This paper proposes an optical datacenter network architecture based on Optical Burst Switching (OBS) and aligned with SDN specifications. To implement this architecture, a new flow table structure is adopted, along with a new burst scheduling algorithm. Simulation results demonstrate the effectiveness of this architecture, achieving zero burst loss, high throughput, and low burst delay. The results also confirm that the proposed approach can provide QoS differentiation between flow classes in terms of delay through appropriate flow table configuration.