Date Added: May 2010
Data centers are becoming increasingly important infrastructures for many essential applications such as data intensive computing and large-scale network services. A typical future data center can consist of up to hundreds of thousands of servers. Yet, the conventional data center networks are not able to keep up with the network bandwidth requirement for efficiently connecting that huge number of servers in a cost-efficient manner. This paper presents DPillar, a highly scalable data center interconnection architecture, which uses only low-end off-the shelf commodity PC servers and switches.