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Leveraging on reference implementations of PCEP and BGP-LS protocols, we have developed an active stateful multilayer PCE extension for the open-source Net2Plan planning tool to orchestrate multilayer service provisioning and restoration in IP/MPLS-over-WDM networks.
Software defined networking (SDN) and network programmability offer the ability to direct application service requests toward the IP/MPLS and optical network. The SDN approach can help operators to reduce the CAPEX and OPEX in the networks, thanks to the optimization of the resources and the reduction of the complexity in the operation of the network. However, the proposed SDN controllers in the market...
Integrated DWDM ports in routers reduce the CAPEX investment, but control plane complexity is increased as the IP transponder becomes part of the optical domain. This work demonstrates the control plane interoperability between the IP and the optical vendors.
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