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Platforms, Software and Applications Number 83, October 2010 ERCIM NEWS European Research Consortium for Informatics and Mathematics www.ercim.eu Special theme: Cloud Computing Platforms, Software Also in this issue: and Applications Keynote: Cloud Computing - The Next Big Thing? by Keith Jeffery, Burkhard Neidecker-Lutz, Lutz Schubert, and Maria Tsakali R&D and Technology Transfer: Buiding Discrete Spacetimes by Simple Deterministic Computations by Tommaso Bolognesi Editorial Information ERCIM News is the magazine of ERCIM. Published quarterly, it reports on joint actions of the ERCIM partners, and aims to reflect Keynote the contribution made by ERCIM to the European Community in Information Technology and Applied Mathematics. Through short articles and news items, it provides a forum for the exchange of Cloud Computing: information between the institutes and also with the wider scientific community. This issue has a circulation of 9,000 copies. The printed version of ERCIM News has a production cost of €8 per copy. The Next Big Thing? Subscription is currently available free of charge. ERCIM News is published by ERCIM EEIG BP 93, F-06902 Sophia Antipolis Cedex, France n 2009 the EC DG Information Society and Media, Tel: +33 4 9238 5010, E-mail: [email protected] Software and Services convened an expert group on Director: Jérôme Chailloux ICLOUD Computing, moderated by Burkhard Neidecker- ISSN 0926-4981 Lutz of SAP Research and Keith Jeffery of ERCIM, with Lutz Schubert of HLRS as rapporteur and Maria Tsakali as Editorial Board: the responsible EC official. The report surveys the current Central editor: situation of CLOUDs being used both privately within an Peter Kunz, ERCIM office ([email protected]) organisation and as a service external to an organisation. It Local Editors: characterises different kinds of CLOUDs (both existing and Austria: Erwin Schoitsch, ([email protected]) future) leading to a list of open research issues that need to be Belgium:Benoît Michel ([email protected]) addressed. Denmark: Jiri Srba ([email protected]) Czech Republic:Michal Haindl ([email protected]) A cloud representation has commonly been used in ICT to France: Bernard Hidoine ([email protected]) indicate abstraction or virtualization (eg of a network) and it Germany: Michael Krapp ([email protected]) is this very characteristic that Cloud computing possesses. Greece: Eleni Orphanoudakis ([email protected]) The system details and management are hidden from the Hungary: Erzsébet Csuhaj-Varjú ([email protected]) end-user enabling easy outsourcing and utilization of Ireland: Ray Walsh ([email protected]) resources. CAPEX (Capital Expenditure) is turned into Italy: Carol Peters ([email protected]) OPEX (Operational Expenditure) reducing capital expendi- Luxembourg: Patrik Hitzelberger ([email protected]) ture or loan interest. ICT is procured on a ‘pay as you go’ Norway: Truls Gjestland ([email protected]) basis. This not only reduces costs for resource maintenance, Poland: Hung Son Nguyen ([email protected]) but also reduces the risk involved in new product inception, Portugal: Paulo Ferreira ([email protected]) which is one of the major attractions of Clouds. The special Spain: Christophe Joubert ([email protected]) capability of Clouds thereby rests on the dynamic and poten- Sweden: Kersti Hedman ([email protected]) tially unlimited scalability (both up and down, horizontally Switzerla nd: Harry Rudin ([email protected]) and vertically). The Netherlands: Annette Kik ([email protected]) United Kingdom: Martin Prime ([email protected]) The Cloud environment can take one or more of several W3C: Marie-Claire Forgue ([email protected]) forms: IaaS (infrastructure as a service), PaaS (platform as a service), AaaS (application(s) as a service) or a totally out- Contributions sourced ICT capability. Cloud capabilities can implicitly be Contributions must be submitted to the local editor of your country used to improve the energy efficiency of datacenters, thus supporting the “green ICT” agenda. Copyright Notice All authors, as identified in each article, retain copyright of their work Along with the advantages come concerns which need to be addressed for Cloud computing to enjoy significant take-up. Advertising The technological problems include: security, trust and pri- For current advertising rates and conditions, see vacy; lack of standardisation and therefore supplier lock-in; http://ercim-news.ercim.eu/ or contact [email protected] insufficient virtualization to provide real hiding of systems management (especially in resource sharing/failover) ERCIM News online edition although some PaaS offerings such as Google AppEngine are The online edition is published at http://ercim-news.ercim.eu/ addressing this issue; data movement and management; pro- gramming and system models to provide the required elas- Subscription ticity; systems / services development methods. Subscribe to ERCIM News by sending email to [email protected] or by filling out the form at the ERCIM There are also non-technological concerns, mainly business / News website: http://ercim-news.ercim.eu/ economic / cost models for Cloud computing (including ‘green ICT’ aspects) that are robust and realistic; legalistic Next issue issues concerning data processing, transmission and storage January 2011, Special theme: “Intelligent and Cognitive Systems” ERCIM NEWS 83 October 2010 Keynote in another country or multiple countries and/or using an out- sourced service. However there are major opportunities for Europe in Cloud computing: large companies – especially but not exclusively the telecommunications industry – could provide Cloud services; development by companies (especially SMEs) of products in an open market in Cloud services matching that in goods, services, human capital and knowledge; provision of business model and legalistic expertise (including ‘green ICT’) to accompany the use of Cloud computing. Are Clouds the next ‘big thing’ in ICT? Clouds are often compared with GRIDs, SOA, Cluster computing and similar technological approaches of the Future Internet. And indeed, CLOUDs typically comprise aspects from all these areas, thus offering improved capabilities for service offering and management. Through its potential globalisation and on demand utilisation, it also offers new business and legalistic models to cost / benefit of ICT. Clouds within an organisation permit optimisation of ICT in one datacenter (almost certainly replicated – probably exter- nally - for business continuity) increasing resource utilisa- tion and offering server hibernation or switch off varying with demand. This reduces maintenance / systems adminis- From left: Burkhard Neidecker-Lutz, Keith Jeffery, Maria Tsakali tration, capital expenditure and energy consumption. The and Lutz Schubert. usual business model is that departments in the organisation buy (through internal accounting) services provided in the Cloud so having better cost-management of their ICT; simi- larly the ICT department is more efficient. Clouds external to an organisation permit outsourcing of some or all of its IT to another organisation providing the The final report of the Cloud Computing expert group service (and probably providing such a service to several convened by the European Commission DG Information other organisations – multi-tenancy). The customer organi- Society and Media, Software and Services is available sation concentrates on its primary business and treats ICT as for download at a utility service. http://cordis.europa.eu/fp7/ict/ssai/docs/cloud-report- final.pdf Many of the individual research challenges (both technolog- ical and non-technological) found in Cloud computing have been addressed through national R&D programmes and the EC framework programme. However, what is needed is to bring these results together in an integrated – and ideally standardised - framework. The expert group report requests the EC to support R&D in the technological aspects and to set up the required gover- nance framework for Clouds to be effective in Europe. Subsidiary recommendations include the provision of test- beds, joint collaboration groups across academia and industry, standardisation and open source reference imple- mentation (rather like W3C) and the promotion of open source solutions. If Europe can address and solve the research issues Cloud computing offers a significant opportunity – both for the ICT industry and for commercial activity utilising Clouds. Keith Jeffery, Burkhard Neidecker-Lutz, Lutz Schubert, and Maria Tsakali ERCIM NEWS 83 October 2010 3 JointContents ERCIM Actions SPECIAL THEME Cloud Computing 2 Editorial Information coordinated by Frédéric Desprez, Ottmar Krämer-Fuhrmann and Ramin Yahyapour KEYNOTE Introduction to the Special Theme 2 Cloud Computing: The Next Big Thing? 12 Cloud Computing by Burkhard Neidecker-Lutz, Keith Jeffery, Maria by Frédéric Desprez, Ottmar Krämer-Fuhrmann and Ramin Tsakali and Lutz Schubert. Yahyapour Invited articles JOINT ERCIM ACTIONS 14 OpenNebula: Leading Innovation in Cloud Computing Management 6 Static Analysis versus Model Checking by Ignacio M. Llorente and Rubén S. Montero by Flemming Nielson 16 SLA@SOI - SLAs Empowering a Dependable 7 An Infrastructure for Clinical Trials for Cancer – Service Economy ACGT Project Successfully Terminated by Wolfgang Theilmann and Ramin Yahyapour by Jessica Michel Assoumou and Manolis Tsiknakis 18 BEinGRID Presage of the Cloud 8 ERCIM at SAFECOMP 2010 in Vienna by Daniel Field by Erwin
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