Light-BCube:A Scalable and High Performance Network Structure for Modular Data Center

With the rapid development of cloud computing services, thousands of data centers are built to meet the demands. A fundamental challenge in data center network is how to interconnect an exponentially increasing number of servers efficiently and provide efficient and fault-tolerant routing services for many cloud applications. This paper presents Light-BCube, a novel architecture derived from BCube and designed explicitly for a shipping-container-based modular data center. Like BCube structure, our Light-BCube is also recursively defined, in which many low-level Light-BCubes construct a high-level structure. The light-BCube architecture combines the advantages of both BCube and DCell structures. For DCell, its design scales too fast and has performance bottlenecks. As for BCube, it uses too many redundant switches, so it costs a lot. To make a trade-off between high performance and high hardware cost, we, as a result of this, propose a novel data center network.