Resource demands are a key parameter of stochastic performance models that needs to be
determined when performing a quantitative performance analysis of a system. However, the …

Recent years have seen the massive migration of enterprise applications to the cloud. One
of the challenges posed by cloud applications is Quality-of-Service (QoS) management …

With the increase of energy consumption associated with IT infrastructures, energy
management is becoming a priority in the design and operation of complex service-based …

Pre-computed data cube facilitates OLAP (on-line analytical processing). It is well-known
that data cube computation is an expensive operation. While most algorithms have been …

In recent years, the evolution and the widespread adoption of virtualization, service-oriented
architectures, autonomic, and utility computing have converged letting a new paradigm to …

Resource management remains one of the main issues of cloud computing providers
because system resources have to be continuously allocated to handle workload …

Modern enterprise applications have to satisfy increasingly stringent Quality-of-Service
requirements. To ensure that a system meets its performance requirements, the ability to …

Recently, zero trust security has received notable attention in the security community.
However, while many networks use monitoring and security functions like firewalls, their …

Worldwide interest in the delivery of computing and storage capacity as a service continues
to grow at a rapid pace. The complexities of such cloud computing centers require advanced …

We propose a linear regression method and a maximum likelihood technique for estimating
the service demands of requests based on measurement of their response times instead of …