@InProceedings{Basta2015,
  author    = {Basta, Arsany and Blenk, Andreas and {Belhaj Hassine}, Hassib and Kellerer, Wolfgang},
  title     = {{Towards a dynamic SDN virtualization layer: Control path migration protocol}},
  booktitle = {Proc. IFIP/IEEE CNSM},
  year      = {2015},
  pages     = {354-359},
  month     = nov,
  publisher = {IEEE},
  abstract  = {Virtualization of software defined networks enables tenants to bring their own controller and manage their virtual resources with the full programmability provided by Software Defined Networking (SDN). Distributed SDN hypervisors are proposed to provide an efficient platform for the virtualization of physical SDN networks. They address the issue of scalability that a centralized hypervisor could suffer from. As virtualization provides the possibility to change virtual SDN networks on run time, a hypervisor layer needs efficient mechanisms to dynamically adapt to the changing requirements. Existing proposals provide only a static configuration setup for their distribution of the hypervisor instances. However, in order to satisfy the dynamics of virtual SDN networks, management protocols are needed to support dynamic changes. In this paper, we propose a control path migration protocol for distributed hypervisors. Such protocol is needed to support the dynamic adaptation of the virtualization layer. Our protocol is providing the missing procedure that allows a dynamic change of control connections between virtual SDN networks and the tenants' controllers, respectively. We provide a proof of concept implementation for our proposal. Through measurements in a real testbed setup, we show that our protocol is efficient in terms of control latency overhead and provides transparency to the controllers of the virtual SDN networks.},
  doi       = {10.1109/CNSM.2015.7367382},
  file      = {/home/andi/Documents/Mendeley Desktop/2015/Basta et al/2015 11th International Conference on Network and Service Management (CNSM)/2015 - Basta et al. - Towards a dynamic SDN virtualization layer Control path migration protocol.pdf},
  isbn      = {978-3-9018-8277-7},
  keywords  = {ownConference},
  location  = {Barcelona, Spain},
  owner     = {andi},
  timestamp = {2016.11.16},
  url       = {http://ieeexplore.ieee.org/document/7367382/},
}

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IFIP/IEEE CNSM","year":"2015","pages":"354-359","month":"November","publisher":"IEEE","abstract":"Virtualization of software defined networks enables tenants to bring their own controller and manage their virtual resources with the full programmability provided by Software Defined Networking (SDN). Distributed SDN hypervisors are proposed to provide an efficient platform for the virtualization of physical SDN networks. They address the issue of scalability that a centralized hypervisor could suffer from. As virtualization provides the possibility to change virtual SDN networks on run time, a hypervisor layer needs efficient mechanisms to dynamically adapt to the changing requirements. Existing proposals provide only a static configuration setup for their distribution of the hypervisor instances. However, in order to satisfy the dynamics of virtual SDN networks, management protocols are needed to support dynamic changes. 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