Content Delivery Networks (CDNs) have evolved to overcome the inherent limitations of the
Internet in terms of user perceived Quality of Service (QoS) when accessing Web content. A …

Data Grids have been adopted as the next generation platform by many scientific
communities that need to share, access, transport, process, and manage large data …

As the distribution of the video over the Internet becomes main-stream and its consumption
moves from the computer to the TV screen, user expectation for high quality is constantly …

We formulate the delay-tolerant networking routing problem, where messages are to be
moved end-to-end across a connectivity graph that is time-varying but whose dynamics may …

In this article, we seek to address a simple question:“How prevalent are denial-of-service
attacks in the Internet?” Our motivation is to quantitatively understand the nature of the …

Smartphone users have their own unique behavioral patterns when tapping on the touch
screens. These personal patterns are reflected on the different rhythm, strength, and angle …

The ability to accurately identify the network traffic associated with different P2P applications
is important to a broad range of network operations including application-specific traffic …

In tree-based multicast systems, a relatively small number of interior nodes carry the load of
forwarding multicast messages. This works well when the interior nodes are highly …

Peer-to-Peer (P2P) reputation systems are essential to evaluate the trustworthiness of
participating peers and to combat the selfish, dishonest, and malicious peer behaviors. The …

Napster pioneered the idea of peer-to-peer file sharing, and supported it with a centralized
file search facility. Subsequent P2P systems like Gnutella adopted decentralized search …