Mobile IP: the Internet unplugged
Mobile IP: the Internet unplugged
Internet indirection infrastructure
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CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
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CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
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WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
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Provisioning for interdomain quality of service: the MESCAL approach
IEEE Communications Magazine
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Recently, several computer fi elds have turned to virtualization as a way to simplify complex problems. In this context, the Virtual Topology Service (VTS) was created to manage the advertisement and acquisition of virtual topologies (abstractions of the network status of a domain) and their use in inter-domain resource reservation to provide end-to-end quality of service (QoS). As an effort to create new network architectures which could attend current requirements like mobility and context-aware applications and support autonomous, heterogeneous and mobile domains next-generation networks (NGNs) emerged, with Ambient Networks (AN) as one of its instances. With an ever increasing multitude of online applications, end-to-end QoS has become increasingly important, especially for media and real-time uses. In this context, in order to better manage inter-domain QoS in these new networks, better coping with mobile nodes and domains, this work presents a new design and implementation of the VTS, adapted to the AN environment. The new VTS stores resource reservation information to enable the reuse of these reservations when re-establishing QoS after a node/domain movement. This implementation was tested on a real NGN prototype and showed considerable time saving when compared to QoS re-establishment without reusing the reservations. Copyright © 2009 John Wiley & Sons, Ltd.