Over the last decade, we have witnessed the tremendous growth of peer-to-peer (P2P) file
sharing traffic. Built as overlays on top of the existing Internet infrastructure, P2P applications …

We conduct a detailed simulation study to examine how localizing P2P traffic within network
boundaries impacts the profitability of an ISP. A distinguishing aspect of our work is the focus …

A low-cost collaboration architecture for web content distribution, that aims to improve all
stakeholder's interests, is presented. A peer-to-peer (P2P) contribution among the end users …

Overlay networks are a collection of nodes that form a virtual network on top of the normal
routing infrastructure of the Internet. These virtual networks allow nodes to organize …

My research centers around data center energy efficiency and cluster performance,
particularly capacity provisioning and workload scheduling taking energy and performance …

Many applications require users to express their consent when executing transactions on
the Web. Transaction signing with passwords is by far the most common mechanism for …