Coupling VNF Orchestration and SDN Virtual Network Reconfiguration
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(2019)

Network Function Virtualization (NFV) promises an efficient way of managing and orchestrating Virtual Network Functions (VNFs), where VNFs can be quickly instantiated or migrated based on the current service requirements. For instance, in order to improve the performance of mission critical services, VNFs can be migrated closer to the user. However, this orchestration generates changes in the traffic requirements of the data and control plane. Furthermore, in virtualized Software- Defined Networking (vSDN) environment, these traffic changes require fast adaptation of the data and control plane isolation and abstraction policies. Thus, virtualization entity (i.e., SDN hypervisor) has to quickly reconfigure the policies of affected Virtual Networks (VNs). In this demo, we present i) the benefits of migrating a firewall VNF to the server closer to the user and ii) how the migration is supported in a virtualized environment.
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