Exponential growth of traffic and bandwidth demands in current data center networks requires low-latency high-throughput interconnection networks, considering power consumption. By considering growth of both multicast and unicast applications, power efficient communication becomes one of the main design challenges in today's data center networks. Addressing these demands, optical networks suggest several benefits as well as circumventing most disadvantages of electrical networks. In this paper, we propose an all-optical scalable architecture, named as OMUX, for communicating intra-data centers. This architecture utilizes passive optical devices and enables optical circuit switching without any switch configuration or path reservation. In addition, it is customized for both unicast and multicast transmissions. It can replace aggregation and core switches in the network, to reduce power consumptions. Simulation results verify its lower latency, higher throughput, and reduced power consumption, compared to conventional electrical or alternative optical solutions.

考虑到功耗，当前数据中心网络中流量和带宽需求的指数增长需要低延迟，高吞吐量的互连网络。通过考虑多播和单播应用程序的增长，节能通信已成为当今数据中心网络的主要设计挑战之一。为了解决这些需求，光网络提出了许多好处，并且规避了电力网络的大多数缺点。在本文中，我们提出了一种全光可扩展架构，称为OMUX，用于通信内部数据中心。这种架构利用无源光学设备，无需任何开关配置或路径保留即可进行光电路交换。此外，它还针对单播和多播传输进行了自定义。它可以代替网络中的汇聚和核心交换机，以减少功耗。与传统的电气或替代光学解决方案相比，仿真结果证明了其较低的延迟，较高的吞吐量和降低的功耗。