Greater Flexibility and Interoperability for Operators Virtualizing Their Software Defined Fiber Access Networks

Broadband Forum publishes new standard that will alleviate the cost, complexity and decrease time to market for multi-vendor ONU interoperability  

Operators can now reduce the time and cost associated with onboarding new Optical Network Unit (ONU) vendors, roll-out services faster, and more easily migrate and evolve their networks by applying new innovations and flexibility thanks to the publication of two new documents from the Broadband Forum .

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“The latest specification can be used in the evolution of the management of ONUs, not as a replacement for the management processes and data models already in use by operators but to future-proof their infrastructure while maintaining their investment in existing ONU devices”

Broadband Forum’s TR-451 ‘vOMCI Specification’ and MR-451 ‘ONU Management using Virtualized OMCI’ have armed operators with more choice in how they create, activate, and maintain services associated with ONUs. Previously, the management cycle of the ONU was tied to a specific vendor’s Optical Line Terminal (OLT). The latest specification enables operators to de-couple the ONU and OLT from control and management purposes, with the Virtualized ONU Management (vOMCI) being introduced as a solution to centralize operations without relying on each OLT to act as a management entity.

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This means operators’ OLT vendors no longer needed to be intimately involved in the roll-out of the management services and features provided by the ONU. TR-451 also increases the number of potential ONU vendors, allowing operators to better negotiate the best prices for ONUs. The specification enables easier interoperability testing and on-boarding of ONUs within an operator’s ecosystem and cloud-based network. It supports various deployment models where virtualized functions can be deployed to the cloud or within existing management system solutions.

“The latest specification can be used in the evolution of the management of ONUs, not as a replacement for the management processes and data models already in use by operators but to future-proof their infrastructure while maintaining their investment in existing ONU devices,” said Bruno Cornaglia, Co-Director of the SDN/NFV Work Area at Broadband Forum. “Ultimately, ONU management will be more adaptive to changes in operators’ processes and services, as well as less costly to maintain.”

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