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Entries in orchestration (2)

Thursday
Jun282018

The key elements of NFV usage: A guide

Orchestration, service assurance, service fulfilment, automation and closed-loop automation. These are important concepts associated with network functions virtualisation (NFV) technology being adopted by telecom operators as they transition their networks to become software-driven and cloud-based. 

Prayson Pate (pictured), CTO of the Ensemble division at ADVA Optical Networking, explains the technologies and their role and gives each a status update. 

 

Orchestration

Network functions virtualisation (NFV) is based on the idea of replacing physical appliances - telecom boxes - with software running on servers performing the same networking role.

Using NFV speeds up service development and deployment while reducing equipment and operational costs.

It also allows operators to work with multiple vendors rather than be dependent on a single vendor providing the platform and associated custom software.

Operators want to adopt software-based virtual network functions (VNFs) running on standard servers, storage and networking, referred to as NFV infrastructure (NFVI). 

In such an NFV world, the term orchestration refers to the control and management of virtualised services, composed of virtual network functions and executed on the NFV infrastructure.

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Wednesday
Mar282018

Will white boxes predominate in telecom networks? 

Will future operator networks be built using software, servers and white boxes or will traditional systems vendors with years of network integration and differentiation expertise continue to be needed? 

 

AT&T’s announcement that it will deploy 60,000 white boxes as part of its rollout of 5G in the U.S. is a clear move to break away from the operator pack.

The service provider has long championed network transformation, moving from proprietary hardware and software to a software-controlled network based on virtual network functions running on servers and software-defined networking (SDN) for the control switches and routers.

Glenn WellbrockNow, AT&T is going a stage further by embracing open hardware platforms - white boxes - to replace traditional telecom hardware used for data-path tasks that are beyond the capabilities of software on servers.       

For the 5G deployment, AT&T will, over several years, replace traditional routers at cell and tower sites with white boxes, built using open standards and merchant silicon.

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