![]() ![]() We hope that CLOUD COMPUTING 2015 was a successful international forum for the exchange of ideas and results between academia and industry and to promote further progress in the area of cloud computing, GRIDs and virtualization. We also gratefully thank the members of the CLOUD COMPUTING 2015 organizing committee for their help in handling the logistics and for their work that made this professional meeting a success. Also, this event could not have been a reality without the support of many individuals, organizations and sponsors. We truly believe that, thanks to all these efforts, the final conference program consisted of top quality contributions. We also kindly thank all the authors that dedicated much of their time and effort to contribute to CLOUD COMPUTING 2015. The creation of such a high quality conference program would not have been possible without their involvement. We take here the opportunity to warmly thank all the members of the CLOUD COMPUTING 2015 technical program committee, as well as the numerous reviewers. We were very pleased to receive top quality contributions. The conference had the following tracks: Cloud computing Computing in virtualization-based environments Platforms, infrastructures and applications Challenging features Similar to the previous edition, this event attracted excellent contributions and active participation from all over the world. The technology foundations for cloud computing led to a new approach of reusing what was achieved in GRID computing with support from virtualization. Cloud computing is a normal evolution of distributed computing combined with Service- oriented architecture, leveraging most of the GRID features and Virtualization merits. A complementary target was to identify the open issues and the challenges to fix them, especially on security, privacy, and inter- and intra-clouds protocols. The Sixth International Conference on Cloud Computing, GRIDs, and Virtualization (CLOUD COMPUTING 2015), held between March 22-27, 2015 in Nice, France, continued a series of events targeted to prospect the applications supported by the new paradigm and validate the techniques and the mechanisms. Finally, the research presents a test on a private cloud platform stating the management issues and highlighting the limits that service providers and load balancers have in the assurance of quality of service. As a result of this analysis we propose some best practices that extend the functionality of ESLAM (Extended Service Level Management Analysis Method), a framework for the quality of service management developed in the Services Engineering Laboratory, that met interest from the scientific community. Afterwards, we consider the current frameworks for Service Level Management, and we address their effectiveness in cloud environments. This research intends to provide an accurate snapshot of the state of the art of CC, from an academic point of view, by a Systematic Literature Review (SLR), and, also, from a corporate point of view, by a worldwide survey. Furthermore, the necessity to monitor real-time performance and the huge amount of variables involved makes this task really complex. In this context Service Level Agreements (SLA) between customers and providers emerge as an issue, because, due to the dynamic characteristics of CC, a new, powerful Service Level Management (SLM) is necessary. Although CC is at its early stage, most enterprises are beginning to adopt it. Furthermore, Cloud Computing can offer better performances through an improved utilization of virtually unlimited resources. Cloud Computing (CC) is emerging as a new technological buzzword that proposes itself as an paradigm shift where IT is changing from a purchased product, that implies an investment, to a service over the Internet that is pay-per-use. ![]()
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