Therefore, transcoding of a large number of simultaneous video streams requires a large-scale distributed system. Video transcoding refers to the process of converting a digital video from one compressed format to another. Finally, we also wish to thank all the contributors of this book for their dedicated efforts both in the program itself as well as in reporting the results. In addition, we wish to thank Hans Ahnlund and Mika Laurila (ECE Ltd.), Marc Englund (Vaadin Ltd.), Sami Helin (Steeri Oy), Jarno Kallio (Packet Video Finland), Risto Laurikainen (CSC), and Heikki Nousiainen (F-Secure) for performing reviews for the different chapters that constitute the book. Pauli Kuosmanen, Digile CTO, for leading the program. Janne Järvinen, focus area director, Professor Veikko Seppänen, academic coordinator, Dr. We want to thank all the participants in the Cloud Software program for their efforts, shared experiences, and insights during these four years that have been materialized in the contents of the book. For the rest of the book, each chapter tackles a concrete problem relevant to software development for cloud infrastructures that originated in the program company partners.
In addition to the actual contributions, the first chapter of the book contains an introduction to cloud computing from the point of view of software development. These are needed to fully utilize the concept computing as a utility as promised by cloud computing. This book contains selected contributions by the Cloud Software Program partners focusing on innovative algorithms, applications, and tools to develop new services and applications to be deployed in public and private cloud infrastructures. More than 30 Finnish IT companies and research organizations have participated in the program, and the output of the program has been considerable both in terms of scientific publications as well as industry transformation towards using cloud computing techniques. Executed during years 2010-2013, Cloud Software is a Finnish research program, whose goal has been to significantly improve the competitive position of Finnish software intensive industry in global markets in the field of cloud computing.
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