Flyways To De-Congest Data Center Networks.

A study of application demands from a production datacenter of  servers shows that except for a few outliers, application demands can be generally met by a network that is slightly oversubscribed. Eliminating over-subscription is hence a needless overkill. In a signi cant departure from recent proposals that do so, we advocate a hybrid architecture. ˆe base network is provisioned for the average case, is oversubscribed, and can be built with...