Abstract:
The increasing popularity of Cloud Computing is leading to the emergence of large virtualized data centers hosting increasingly complex and dynamic IT systems and services. Over the past decade, the efficient sharing of computational resources through virtualization has been subject to intensive research, while network management in cloud data centers has received less attention. A variety of network-intensive applications require QoS (Quality-of-Service) provisioning, performance isolation and support for flexible and efficient migration of virtual machines. In this paper, we survey existing network virtualization approaches and evaluate the extent to which they can be used as a basis for realizing the mentioned requirements in a cloud data center. More specifically, we identify generic network virtualization techniques, characterize them according to their features related to QoS management and performance isolation, and show how they can be composed together and used as building blocks for complex network virtualization solutions. We then present an overview of selected representative cloud platforms and show how they leverage the generic techniques as a basis for network resource management. Finally, we outline open issues and research challenges in the area of performance modeling and proactive resource management of virtualized data center infrastructures.
© 2013 by Walter de Gruyter Berlin/Boston
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- Neuer DFG-Sonderforschungsbereich an der Technischen Universität Darmstadt
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Articles in the same Issue
- Masthead
- Liebe Leserinnen und Leser,
- Traffic-Adaptive and Link-Quality-Aware Communication in Wireless Sensor Networks
- Direkte Ende-zu-Mitte Authentifizierung in kooperativen Netzen
- Sozial- und lokalitätsbewusste Overlays für User-Centric Networking
- End-to-End Security for Internet-Connected Smart Objects
- Data Transfer Using a Camera and a Three-Dimensional Code
- Consistent and Partition-Tolerant File Replication in the Cloud File System Xtreem FS
- OC2E2AN: Optimized Control Center for Experience Enhancements in Access Networks
- IBR-DTN – The Versatile, Efficient Open-Source Framework for a Bundle Protocol Ecosystem
- Automatic VPN-Configuration with SOLID
- uBeeMe – A Platform for Mobile Collaborative Applications
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- Mobilis – Comprehensive Developer Support for Building Pervasive Social Computing Applications
- Sensorium – A Generic Sensor Framework
- CPaaS: Context Processing as a Service
- TIE: Traffic Identification Engine
- D-ITG: Distributed Internet Traffic Generator
- Decentralizing Microblogging Services by Differentiating User Traffic Demands
- BonnSens: A Mesh-based Command and Control Sensing System for Public Safety Scenarios
- TraceMan: A Traceroute-based Measurement and Management Tool
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- Das (vorhersehbar erbärmliche) Schicksal von Großprojekten