Titlebook: Economics of Grids, Clouds, Systems, and Services; 8th International Wo Kurt Vanmechelen,Jörn Altmann,Omer F. Rana Conference proceedings 2

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Planning for Optimal Multi-site Data Distribution for Disaster Recovery The planner uses Erasure Coding (EC) to divide and codify data chunks into fragments and distribute the fragments across DR sites or storage zones so that failure of one or more site / zone can be tolerated and data can be regenerated.

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Concurrent Negotiations in Cloud-Based Systems service compositions according to their specific business needs. Therefore, appropriate mechanisms for an automated negotiation of Quality of Service parameters are required that do not only consider the individual business objectives and strategies of the negotiation partners involved, but do also

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Client Classification Policies for SLA Negotiation and Allocation in Shared Cloud Datacentersf the Quality of Service (QoS) to be provided as well as the economic conditions are established in a Service-Level Agreement (SLA). There are situations in which providers must differentiate the SLAs in function of the type of Client that is willing to access the resources or the agreed QoS e.g. wh

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