Composition of Cloud Collaborations under Consideration of Non-Functional Attributes
Key: WSL+14-1
Author: Olga Wenge, Dieter Schuller, Ulrich Lampe, Melanie Siebenhaar, Ralf Steinmetz
Date: November 2014
Kind: In proceedings
Publisher: Springer
Book title: Service-Oriented ComputingInternational Conference on Service-oriented Computing (ICSOC)
Keywords: Cloud brokerage, QoS, security
Abstract: Cloud markets promise virtually unlimited resource supplies. Some providers set up distributed data centers at different geographical locations and jurisdictions and may not always be able to offer effectual physical capacity to serve large customers in one location. A solution is cloud collaborations, where multiple providers unite to conjointly offer capacities. Both Quality of Service and security properties of such collaborations will be determined by the “weakest link in the chain”, therefore resulting in a trade-off between monetary aggregates, cumulative capacity and non-functional attributes of a collaboration. Based on our previous research, we examine in our paper efficient composition of cloud collaborations from the broker’s perspective, considering Quality of Service and security requirements of cloud providers and users. We propose a Mixed Integer Programming-based heuristic approach CCCP-HEU.COM with deterministic and stochastic variants and provide its quantitative evaluation in comparison with our prior optimal approach.
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