Abstract The problem of Information Technology energy consumption has gained much
attention due to the always increasing use of IT both for business and for personal reasons …

On-the-fly adaptation is where adaptation activities are not explicitly represented at design
time but are discovered and managed at run time considering all aspect of the execution …

Service Level Agreement (SLA) in cloud service provides quality and responsibility for both
Data enter providers and customers. If a customer's required task is processed delayed then …

Internet-based communication is currently in a hype. People utilize Internet services more
and more to communicate with each other, eg, via VoIP or chat. The next step would be to …

Currently software systems operate in highly dynamic contexts, and consequently they have
to adapt their behavior in response to changes in their contexts or/and requirements …

The ability to predict Quality of Service (QoS) of a software architecture supports a large set
of decisions across multiple lifecycle phases that span from design through implementation …

Thinking about the complexity of the data center environment, this paper explores the
characteristics of knowledgebased agents to discover energy savings opportunities within …

Over recent decades computer and software systems become more and more complex
because of the applications' and user's requirements. The complexity makes the software …

A simple statistical approach based on exponentially weighted moving average (EWMA)
charts for monitoring quality of service (QoS) violations is presented in this paper. The …

This study attempts to upgrade the service efficiencies of cloud management by proposing
different quality approaches. We design two detecting mechanisms to search the early …