Optimal Capacity Sharing of Networks with Multiple Overlays

Overlay networks have emerged as a generic networking paradigm to improve network performance and construct new applications. Although many overlay algorithms have been proposed lately, they tend to focus on a single overlay, without considering how to share network capacity with other traffic and other overlays. In this paper, we study optimal capacity sharing of network with multiple overlays. We first formulate the problem of optimal capacity sharing of networks with multiple overlays as a nonlinear optimization problem. We show that traditional flow-level rate controllers result in sub-optimal sharing results between the different overlays. We design efficient and distributed overlay flows control algorithms and demonstrate the effectiveness of our design