In today's dynamic network landscape, efficient, flexible, and automated management is essential. Multi-layer SDN controllers are key to meeting these demands by integrating optical and IP layers into a unified management framework. A significant strategic initiative in this field is Cisco's acquisition of Sedona Systems, enhancing its automation portfolio with Hierarchical Controller Orchestration (HCO) technology. However, real-world IP/optical integrated scenarios still presents challenges, that require significant delivery efforts, including the lack of a clear unified platform architecture and interfaces, proprietary customizations in the optical controllers, the scarcity of hybrid service models and automation workflows, and, ultimatly, HCO's specific internals. This session will focus on the Multi Layer Orchestration (MLO) project, a pioneering IP/optical hybrid service provisioning initiative led by the Italy SP CX team for TIM. We will discuss the design of the proposed solution and delve into the integration and development processes, highlighting the implementation of custom HCO adapters, NSO NEDs and service models, automation workflows, and performance metric collection. This session aims at providing practical insights to help other delivery teams navigate similar challenges and fostering dialogue with the relevant product owners to collaboratively address and overcome these obstacles.
Speaker: Marco Bonola, Customer Delivery Software Architect, Cisco CX
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