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TU Berlin

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Gregor Schaffrath's Publications

A Resource Description Language with Vagueness Support for Multi-Provider Cloud Networks
Citation key SSVKF-RDLVSMPCN-12
Author Schaffrath, Gregor and Schmid, Stefan and Vaishnavi, Ishan and Khan, Ashiq and Feldmann, Anja
Title of Book International Conference on Computer Communication Networks (ICCCN '12)
Year 2012
Location Munich, Germany
Month July
Note Best paper award!
Abstract The concept of CloudNets has recently attracted interest from both scientific and economic communities. Combining cloud resources with networking, CloudNets can be envisioned as affordable customized infrastructures. Applications are likely to involve federated environments of multiple providers and the reselling of resources. Inter-provider communication about requirements or provisioning of truly customized virtual environments require a powerful flexible resource description language (RDL). While extensibility and expressiveness seem natural features for such a language, we identify another less intuitive one affecting all actors (or stakeholders) in their economic benefits: the possibility to omit arbitrary specification details and to remain vague while at the same time describing real world scenarios. Not only may a description language ignoring this constraint easily become too bulky to use, it is also likely to force players to focus on details they are not interested in or lack the knowledge to map their actual requirements to. This paper identifies detailed requirements for an RDL to allow for topology and requirement communication in business scenarios. Furthermore, we present the FleRD flexible resource description language for multi-provider virtual network architectures. FleRD is currently fully incorporated in our own implementation of a CloudNet prototype.
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