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Overture Unveils Two Key Components of Ensemble OSA™ for Service Automation and Network Functions Virtualization at the Metro Service Edge

Overture today announced the availability of its Ensemble Service Orchestrator (ESO) and Ensemble Network Controller (ENC), two key pieces of its open architecture for software-defined services at the metro service edge. Ensemble OSA™ is the industry’s first complete and open platform for service automation and network functions virtualization (NFV) that is built specifically for the service provider metro edge.

"Communication Service Providers (CSPs) and vendors alike are embracing NFV. And, while there have been many vendors announcing their strategies, Overture has already delivered one of the first commercial NFV solutions to market" said Nav Chander, Research Manager, IDC Telecom Networks & Services. “They have a comprehensive working solution, which I have seen. It is impressive and has been well received by a number of Tier 1 service providers."

Leveraging open APIs for deployment into any service provider architecture, Ensemble Service Orchestrator and Ensemble Network Controller may be deployed together as a system or integrated independently.

  • The Ensemble Service Orchestrator is an open, extensible carrier-class NFV service lifecycle management and orchestration system that coordinates virtual resources and physical network elements to create, activate and assure services using one or more virtual network functions. ESO uses the OpenStack™ cloud controller – bundled with ESO – to manage the virtual compute environment, including virtual machines, virtual switches and top-of-rack datacenter switches. For management of the physical wide area network traffic flows, ESO leverages Overture’s Ensemble Network Controller but can also be integrated with other third-party network controllers.
  • The Ensemble Network Controller is a service-aware network controller and management system for the Carrier Ethernet metro service edge. With native support for all Overture network elements, ENC is extensible to support third-party network elements and automates service creation, service activation, device detection, fault management and performance monitoring. By presenting a complete network picture, ENC helps service providers add new services and virtualized network functions without compromising existing network operations.

“Metaswitch have had the opportunity to work with Overture Networks as they were one of the founding members of CloudNFV, which used Project Clearwater as the first virtualized network function to be deployed in their NFV proof of concept” says Martin Taylor, CTO of Metaswitch Networks. “Overture’s Ensemble OSA helps bring to life the original NFV vision of service velocity, on-demand scaling and network agility. We support Overture’s open, multi-vendor approach to NFV management and orchestration as a way of working that’s very much in line with where we think the industry is going.”

Currently operating in a number of field trials and proofs of concept, Ensemble OSA brings together open automation and management of both the physical Carrier Ethernet and virtual infrastructure to help communications service providers introduce new revenue-generating services with agility and speed that have never before been possible.

“The automation and virtualization challenges at the metro service edge differ greatly from those in the data center, which led us to create a true carrier-class orchestration and control solution specifically focused on the part of the network where services are actually delivered,” said Mike Aquino, president and CEO, Overture. “Service providers need to be able to automate and orchestrate the complete service lifecycle across both the virtual and physical metro edge domains. We have been extremely pleased with the response that Ensemble OSA continues to receive from our service provider customers.”

More information on the Overture Ensemble Service Orchestrator and Ensemble Network Controller available at Overture’s website at or follow @OvertureNews on Twitter.

About Overture Networks

Overture is the preferred provider of Carrier Ethernet solutions for the metro service edge. By leveraging Overture’s Carrier Ethernet expertise and its new Ensemble Open Service Architecture™ for software-defined services, network operators and service providers worldwide are maximizing operational efficiencies and introducing new revenue-generating services on a scale never before possible.

Overture is headquartered in Research Triangle Park, NC, with sales offices around the globe. For more information, visit

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