SCHEDULE: NOV 16-22, 2013
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Provider Backbone Bridging Based Network Virtualisation
SESSION: Network Research Exhibition
EVENT TYPE: Network Research Exhibitions
TIME: 11:45AM - 12:00PM
Presenter(s):Ronald van der Pol
An important use of Software Defined Networking (SDN) is network virtualization or slicing. This allows multiple users on the same physical infrastructure each having their own virtual network or slice. FlowVisor is one of the options to achieve this. It is a software module that sits between the OpenFlow switch and the OpenFlow controllers and gives each controller a part (slice) of the flowspace. The disadvantage of this is that controllers do not have access to the full OpenFlow tuple space and thus the experience is different from having direct access to a physical OpenFlow switch. In this demo we introduce Provider Backbone Bridging (PBB) as defined in IEEE 802.1ah as encapsulation technology in the OpenFlow data plane. In this way user traffic is separated and identified by the I-SID in the encapsulation header. The data part is the user's original Ethernet frame and users can create OpenFlow rules that match on any of fields that OpenFlow 1.3 supports, except for the PBB I-SID because this is used to map packets to users. We think this is a simple virtualisation method that gives users access to virtual OpenFlow switches that have the same OpenFlow capabilities as physical OpenFlow switches would have.
Ronald van der Pol - SURFnet