Grant numbers : DESTELLO - Dynamic flexible orchestration of data centers and programmable elastic optical networks and systems (TEC2015-69256-R). © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

We model via YANG an adaptive, modular and programmable VCSEL-based S-BVT for optical flexi-grid metro networks. Discussion and experimental validation of the PCECC T-SDN controller interfaces for automatic provisioning of flexi-grid connections are provided.