With the significant advances in Information and Communications Technology (ICT) over the
last half century, there is an increasingly perceived vision that computing will one day be the …

The paper studies two types of events that often overload Web sites to a point when their
services are degraded or disrupted entirely-flash events (FEs) and denial of service attacks …

Server consolidation has emerged as a promising technique to reduce the energy costs of a
data center. In this work, we present the first detailed analysis of an enterprise server …

In the exascale era, the energy cost of moving data across the memory hierarchy is expected
to be two orders of magnitude higher than the cost of performing a double-precision floating …

Energy management for servers is now necessary for technical, financial, and environmental
reasons. This paper describes three policies designed to reduce energy consumption in a …

We present an intelligent workload factoring service for enterprise customers to make the
best use of public cloud services along with their privately-owned (legacy) data centers. It …

Web Search Engines employ multiple so-called crawlers to maintain local copies of web
pages. But these web pages are frequently updated by their owners, and therefore the …

Described are methods, apparatus and computer programs for determining run-time
dependencies between logical compo nents of a data processing environment. Components …

In this paper we present a new model of Web traffic and its applications in the performance
evaluation of Web servers. We consider typical user hypertext navigation behavior within a …

The digital economy is creating abundant opportunities for operations research (OR)
applications. Several factions of the profession are beginning to respond aggressively …