forget the layers: nfv is about dynamism

Forget the Layers: NFV Is About DynamismPrayson Pate CTO, Ensemble, ADVA Optical NetworkingJuly 1, 2016

© 2016 ADVA Optical Networking. All rights reserved. 2

NFV: A Narrow DefinitionReplacing closed appliances with software virtual network functions (VNFs) that can be hosted anywhere in the network on any open hardware


NFV sounds great, but there are some obstacles


Access to NFV: Layer 2 or Layer 3?

ServiceProvider

BackboneOn NetLayer 2

Off NetLayer 3

Transparent connectionfor virtualized services

Standard forbroadband access


Hosting for NFV: Customer or Cloud?

ServiceProvider

Backbone

Access Access

Lowest initial costCost scales with services

Benefits of cloud (e.g.,resilience, cost,

maintenance, etc.)


NFV Deployment: Greenfield or Brownfield?

ServiceProvider

BackboneSDN

BuildoutExisting

MPLS

Fully automatedand virtualized

services

Upfit of existingnetworks and

services


The Answer to These Questions is “Both”

… and those aren’t really the right questions!


The Right Questions• How can we can dynamically orchestrate NFV-

based services to provide new revenue? • How can they deploy on both greenfield and brownfield scenarios? • How can we use the cloud to dynamically deliver the cloud?


Result: Success today and in the future

The Right Answers• Select an architecture that is open and

that supports multiple deployment options• Select partners that are interoperable• Identify an application that is contained and valuable


NFV Example: Use BGP to Insert VNFs

Layer 3VPN

MPLS Backbone

Data Center

Specific VNFs can be dynamically tied to specific VPNs


NFV Example: Virtual CPE

ServiceProvider

NID, router, firewall, etc.

ServiceProvider

Move from static appliances to dynamic VNFs

Dynamic VNFs


NFV Example: NFVIaaS

Operator EADService providerserverCustomer

Service provider VNFs

Accessnetwork

Operator server with NFVI (NFVIaaS)

Service provider VNFs

Customer

New revenue for facilities-based operators

Accessnetwork


NFV Example – Micro Data Center

Micro Data Center

NOC

Extend the cloud to the customer

PublicInternet

PublicInternet

Macro Data Center


The Result: Success With NFV

Support for multiple deployment options, access methodologies, and

applications – all dynamically controlled and orchestrated

Thank You

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forget the layers: nfv is about dynamism

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