Multi-tenant Network Slicing Technique over OpenFlow-based MPLS Networks
Network virtualization plays an important role in the modern Internet architecture. Various OpenFlow-based network slicing techniques have been proposed and implemented to achieve network virtualization.
In this paper, we present a scalable network slicing technique to provide multi-tenant network slices over an OpenFlow-based Multi-Protocol Label Switching (MPLS) network. The proposed approach acts as an isolation mechanism between multiple tenants over the same physical infrastructure, presenting the tenants with independent address range, topology and network control functions via virtualization.
The design and implementation of the network slicing technique are based on the virtual network subsystem of the Open Networking Operating System (ONOS), an open-source software defined networking (SDN) controller. Preliminary evaluations are done to verify that the proposed technique is able to perform address virtualization in a multi-tenant network environment.
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