Realising the Immediate Benefits of SDN and NFV

Stephen HamptonCTO Hutchinson Networks

Worldwide SolutionsDelivered Locally

Traditional Backplane CommunicationsProprietary Comms Protocol

OpenFlow, OpFlexNetconf, BGP

Traditional Versus SDN Architectures

Worldwide SolutionsDelivered Locally

Traditional Control and Data Plane Architectures

Cost• 16 x Controller• 8 x Chassis• 64 x I/O Modules• 8 x Licenses

Duplication

Unused PortsUnused Features

Agility• 8 Points of Configuration• Traditional CLI• No Extensibility• Proprietary Protocols

Worldwide SolutionsDelivered Locally

Traditional Versus SDN Architectures

Worldwide SolutionsDelivered Locally

SDN Architectures

Cost• Fewer Controllers• Reduced Hardware and

Licensing• White Box Switching

Agility• Single Point of

Configuration• Open and Extensible• Object Orientated• Ideal for Automation

and Orchestration

Worldwide SolutionsDelivered Locally

Traditional DC Network Stack

Physical Logical

WAN/Internet

WAN/Internet

Worldwide SolutionsDelivered Locally

Cost• 2 x Firewall Appliance• 2 x IPS Appliance• 2 x Web App Firewall• 2 x Load Balancer• Servers• Storage

Agility• Difficult to Scale• Difficult to Migrate• Inefficient Use of Resource• Difficult to Automate

Traditional DC Network Stack

WAN/Internet

WAN/Internet

Worldwide SolutionsDelivered Locally

DC Stack with NFV

WAN/Internet

WAN/Internet

Worldwide SolutionsDelivered Locally

DC Stack with NFVCost• Three Hardware Types

o Servers; Storage; Network• All Others Run On VM• License Costs Only• Pay Per Bandwidth• Take Advantage of Server and

Network Hardware• Virtualised Connection to Devices

Agility• Virtualised Network Links• Pooled VLANs Provide Abst.• Easy to Scale Up Bandwidth• Easy to Add New VMs

WAN/Internet

WAN/Internet

Worldwide SolutionsDelivered Locally

What is Available Now

SDN• SDX Central Controller

o 21 Commercial Controllerso 9 Open Source Controllers

• Combine Range of Architectureso White Box Switcheso Proprietary Asicso Overlays

• All Major Vendors

NFV• Virtual Appliances are Everywhere• All Major Vendors• All Significant Device Types

o Routerso Firewallo IPSo WAF

o SLBo GSLBo Authenticationo UTM

Worldwide SolutionsDelivered Locally

SDN and NFV on HN Fabrix

• SDN was a No Brainero Immediately Ahead of Marketo Facilitates Orchestrationo Cost Effective

• Fabrix Would Not be Possible Without NFVo Three Hardware Types

Server StorageNetwork

• Everything Else NFV• Reduces Costs• Scales Easily• Makes Orchestration Easy

Realising the Immediate Benefits of SDN and NFV

Stephen HamptonCTO Hutchinson Networks