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We propose the combination of optical network virtualization and network function virtualization (NFV) for deployment of on-demand OpenFlow-controlled virtual optical networks (VON). Each tenant SDN controller is run on the cloud, so the tenant can control the deployed VON. This paper demonstrates the feasibility of the proposed use case and provides implementation details in the ADRENALINE testbed...
This paper proposes an architecture for Software Defined Optical Transport Networks. The SDN Controller includes a network abstraction layer allowing the implementation of cognitive controls and policies for autonomic operation, based on global network view. Additionally, the controller implements a virtualized GMPLS control plane, offloading and simplifying the network elements, while unlocking the...
We present a Virtual Optical Network Resource Broker (VON RB) for elastic optical networks. The VON RB is responsible for managing the virtual elastic optical resources, and virtual GMPLS control resources (controllers, IP control channels), and for dynamically deploying virtual GMPLS-controlled elastic optical networks over a shared physical network infrastructure, through a virtual network topology...
This paper primes a control channel management method for GMPLS-based optical transport networks. The proposed mechanism bundles multiple control channels between adjacent nodes into a single ldquologicalrdquo control channel to hide control channel failure from the control plane signaling and routing protocols such as RSVP TE and OSPF-TE The proposed method is based on three ideas: multiple redundant...
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