Network virtualization: performance, sharing and applications
type: Dataset
contact point: Organization
  fn: CCSD
keyword: virtualisation-des-reseaux
keyword: infoinfo-nicomputer-science-csnetworking-and-internet-architecture-csni
keyword: infoeu-reposemanticsdoctoralthesis
keyword: network-virtualization
keyword: theses
landing page: https://theses.hal.science/tel-00793367
description: Virtualization appears as a key solution to revolutionize the architecture of networks, such as the Internet. The growth and success of the Internet have eventually resulted in its ossification, in the sense that ubiquitous deployment of anything into this network is hardly possible, thus impeding innovations. This is exactly where virtualization comes as a solution, by adding a layer of abstraction between the actual hardware and the 'running' network. These virtual networks can be managed and configured flexibly and independently by different operators, thus creating a competitive environment for stim- ulating innovations. Being 'de-materialized' in such a way, networks can be deployed on demand, configured, started, paused, saved, deleted, etc., like a topology of programmable objects, each representing a virtual switch, router or link. The flexibility introduced into the network provides the operator with options for topology reconfiguration, besides al- lowing it to play with the software stacks and protocols. Achieving such a high degree of decoupling, that leads to disruptive changes, is one of the ultimate goals of network virtualization--envisioned as a key to the 'future' of the Internet--but it is still far from reality. Today, network virtualization has been realized in research testbeds, allowing re- searchers to experiment with routing, and interconnecting virtual computing nodes. The industry proposes virtual routers for network consolidation and saves in equipment cost. However, introducing virtualization in a production network such as those of the Internet raises several challenges, that have not yet been addressed. The additional layer interposed between the actual network hardware and the virtual networks is responsible for sharing the physical resources among the virtual networks. It potentially introduces performance overhead. In this manuscript, we concentrate on these issues, namely the performance and the sharing in virtualized networks. The…
identifier: NNT: 2011ENSL0630
issued: 2026-05-14T05:41:04.826143
language: en
modified: 2026-05-14T05:41:04.826148

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type: Agent

Network virtualization: performance, sharing and applications
type: Distribution
access URL: https://theses.hal.science/tel-00793367
format: HTML
issued: 2026-05-14T05:41:04.832067
modified: 2026-05-14T05:41:04.815305