Given a set of machines and a set of Web applications with dynamically changing demands,
an online application placement controller decides how many instances to run for each …

Real production applications ranging from enterprise applications to large e-commerce sites
share a crucial but seldom-noted characteristic: The relative frequencies of transaction types …

In today's complex and highly dynamic computing environments, systems/services have to
be constantly adjusted to meet service level agreements (SLAs) and to improve resource …

Recent research has found that operators frequently misconfigure Internet services, causing
various availability and performance problems. In this paper, we propose a software …

This paper presents an analysis of the performance effects of burstiness in multi-tiered
systems. We introduce a compact characterization of burstiness based on autocorrelation …

Policy-driven service management helps reduce IT management cost and it keeps the
service management aligned with business objectives. While most of the previous research …

The overall behavior of a system depends on a large number of factors related to the
underlying hardware, system software, and running applications. In addition, system …

The goal of this thesis is to examine dependencies and tradeoffs between the resource
usage (CPU and memory) and the analysis capabilities of Network Intrusion Detection …

The rising complexity of distributed server applications in enterprise data centers has made
the tasks of modeling and analyzing their behavior increasingly difficult. This paper presents …

This chapter introduces the next generation of system execution modeling tools designed
around model-driven engineering (MDE) coupled with domain-specific modeling languages …