一种高吞吐量、高可扩展数据中心网络结构*

摘要

While server-centric data center networking schemes partly resolve the performance bottleneck and extensibility problems in existing tree-based networking schemes, designing a high extensible data center networking scheme with high performance is still a challenging problem. This paper proposes a high extensible and high performance data center networking scheme, called XDCent, where servers have fixed number of network interface card (NIC) ports. In the case that each server has the fixed number of NICs, XDCent can not only result in a high performance for data centers but also extend data centers continually without affecting the running applications.%虽然以服务器为中心的数据中心网络互连结构部分程度地解决了树型结构面临的性能瓶颈和可扩展性难题，但如何使数据中心网络同时兼具高吞吐量和高可扩展能力，仍然是一个颇具挑战性的问题.为此，提出了具有高吞吐量和高可扩展能力的常量度数数据中心网络互连结构 XDCent.XDCent 在各服务器网络端口个数为常量的情况下，确保数据中心网络在保持高吞吐量的前提下能够进行系统规模的无损和持续扩展.