Energy expenditure has become a significant fraction of data center operating costs.
Recently," geographical load balancing" has been suggested to reduce energy cost by …

To serve users quickly, Web service providers build infrastructure closer to clients and use
multi-stage transport connections. Although these changes reduce client-perceived round …

Video traffic already represents a significant fraction of today's traffic and is projected to
exceed 90% in the next five years. In parallel, user expectations for a high quality viewing …

Modern content-distribution networks both provide bulk content and act as" serving
infrastructure" for web services in order to reduce user-perceived latency. Serving …

With the rapid development of network applications, the Internet has evolved from a content-
based communication infrastructure to a social-based community network. The emerging …

Today a spectrum of solutions are available for istributing content over the Internet, ranging
from commercial CDNs to ISP-operated CDNs to content-provider-operated CDNs to peer-to …

The widely used Tor anonymity network is designed to enable low-latency anonymous
communication. However, in practice, interactive communication on Tor-which accounts for …

Geo-replicated services need an effective way to direct client requests to a particular
location, based on performance, load, and cost. This paper presents DONAR, a distributed …

Effectively managing multiple data centers and their traffic dynamics pose many challenges
to their operators, as little is known about the characteristics of inter-data center (D2D) traffic …

In this paper, we conduct a detailed study of the YouTube CDN with a view to understanding
the mechanisms and policies used to determine which data centers users download video …