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Evolution of the Network FunctionYesterday, Today and Tomorrow

Vanessa Little

Director – Global Telco Innovation

May 2019

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The Promise of NFV

Automate the deployment and management of complex network services and put them in market faster and cheaper than before

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The Journey to NFV

Deploying NFV based infrastructures has proven to be a more difficult ride than expected

Has Been Bumpy So far

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Crawl Before We Walk

Evolution of VNFs

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Evolution of VNFs

Physical Virtualized Cloud Friendly Cloud Ready Cloud Native

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Evolution of VNFsAppliance Based Devices

Physical

Deployment Format

Architecture

Upgrades

Scale out Methodology

Config Management

Fault tolerance

Backup Methodology

Orchestration Onboarding

Appliance

Monolith

Manual - Disruptive

Deploy larger hardware

Manual - Distributed

None

Quiesce and image

Proprietary

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Evolution of VNFsPhysical to Virtual

Virtualized

Deployment Format

Architecture

Upgrades

Scale out Methodology

Config Management

Fault tolerance

Backup Methodology

Orchestration Onboarding

Virtual Machine

Monolith

Manual -Disruptive

Layer 4-7 Loadbalancer

Manual - Distributed

None

Quiesce and image

Complex/Customized

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Evolution of VNFsGetting Warmer

Cloud Friendly

Deployment Format

Architecture

Upgrades

Scale out Methodology

Config Management

Fault tolerance

Backup Methodology

Orchestration Onboarding

Virtual Machine

Scaled down VM

Manual - Non Disruptive

Layer 4-7 Loadbalancer

Manual - Distributed

Active Passive

Quiesce and image

Simple/Customized

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Evolution of VNFsService Oriented Architectures

Cloud Ready

Deployment Format

Architecture

Upgrades

Scale out Methodology

Config Management

Fault tolerance

Backup Methodology

Orchestration Onboarding

Virtual Machine

Service Oriented Arch

Manual - orchestrated

SDN LB - sessionless

Automated - (VNFM)

Active Clusters

N/A - templated

Simple/Templated

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Evolution of VNFsThe Ideal Solution

Cloud Native

Deployment Format

Architecture

Upgrades

Scale out Methodology

Config Management

Fault tolerance

Backup Methodology

Orchestration Onboarding

Container

Microservices

Automated

Stateless - LB

Automated - Centralized

Active Graph

N/A

Simple/Templated

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Are We Far Enough?

Where are We Now

Physical Virtualized Cloud Friendly Cloud Ready Cloud Native

TodayGood

EnoughIdeal

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Moving in the Right Direction

As VNFs mature, Standards are ratified, Orchestrators become more feature rich…

the journey gets easier

Smoother Seas Ahead

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Questions?