The History and Evolution of SDN

Salim Mehta outlines Cisco's approach of SDN

1. ACI – A Policy Driven Infrastructure for the Intercloud World Salim Mehta Technical Architect Cisco Systems The History & Evolution of SDN 27 August 2015

2. Evolution of IT www.gartner.com / imagesrv / cio / pdf /cio_agenda_execsum2014.pdf IT Industrialization Digitalization IT Craftsmanship Speed, Innovation and Conventiona l Control, Predictable, Low Risk Functional Operationally Focused

3. Moving to Webscale IT Self Service MTTR Light IT (1 x Admin: 150K servers) Few Applications (Customer Focused) Applications Built for Cloud Super Highly Skilled Workforce Set the Standard Clean Slate Approach Request and Wait MTBF Heavy IT (1 x Admin: 500 servers) Many Applications (Customer and Internal Focused) Applications Built for ERP Highly Skilled Workforce Follow the Standard Legacy / Historical Today Spend Time Save $ Spend $ Save Time

4. Moving to Webscale IT Self Service MTTR Light IT (1 x Admin: 150K servers) Few Applications (Customer Focused) Applications Built for Cloud Super Highly Skilled Workforce Set the Standard Clean Slate Approach Tomorrow Spend Time Save $ Spend $ Save Time Self Service Automation Cloud Cloud Capable Applications Software Defined Networking BiModal IT DevOps Fast IT Private Cloud

5. SDN 1.0 - OpenFlow VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM Box by box mgmt

6. SDN 1.0 - OpenFlow VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM OpenFlow Controller

7. SDN 1.0 - OpenFlow VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM Controller Control Plane Data Plane

8. SDN 1.0 - OpenFlow VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM Controller Availability? Scale?

9. SDN 2.0 - Separate Overlay Controller VM VM VM VM VM VM VM VM Underlay

10. SDN 2.0 - Separate Overlay Controller VM VMs on same DVS VM VM VM VM VM VM VM No correlation between o verlay & underlay

11. SDN 2.0 - Separate Overlay Controller VM VM VM VM VM VM VM VM Two Points of control! Physical Hosts? Diagnostics? VM VM VM

12. SDN 3.0 - Application Centric Infrastructure DB Tier Storage Storage Application Client Web Tier App Tier Application policy model Policy instantiation VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM Integrated Underlay Distributed Control Plane APIC

13. SDN 3.0 - Application Centric Infrastructure DB Tier Storage Storage Application Client Web Tier App Tier Multiple isolated v irtual networks VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM Any Hypervisor APIC

14. SDN 3.0 - Application Centric Infrastructure DB Tier Storage Storage Application Client Web Tier App Tier VM VM VM 10.2.4.7 VM 10.9.3.37 VM 10.32.3.7 VM VM Virtual & Physical Hosts APIC Single Point of control VM VM Advanced t elemetry for application traffic visibility

15. How we deliver infrastructure with policy… Storage WEB APP DB LAN LAN LAN LAN SAN LB FW LAN Connectivity Security QoS SLA Services Policy Configuration Point

16. Policy Driven Data Centre Define the Application Communication Policy Provision the Policy into the Fabric (Fully Automated) Security Network Virtualization Application Cloud Policy Framework Invest Time Spend No Time

17. NETWORK SECURITY COMPUTE STORAGE OPERATIONS IMPLEMENTATION ARCHITECTURE DESIGN BEFORE AFTER Organisational Shift TECHNOLOGY SILOS VIRTUAL TEAMS NETWORK UC / VIDEO X- aaS

18. Bimodal IT http:// www.gartner.com /newsroom/id/1923014

19. How Business Consumes IT Compute Network Storage Security IT Clients Pools of Infrastructure Resource Compute Network Storage Security Cloud

20. Orchestration & Automation Resource Controllers Infrastructure Pool of Infrastructure Resource PSC UCSD How Developers Consume IT Compute Network Storage Security Cloud Open Daylight PNSC UCSM APIC VMM Storage Controller API API API API API API

21. Fast IT Data Centre & Cloud Reference Architecture Open Integration MANAGEMENT AUTOMATION POLICY SECURITY ECOSYSTEM PARTNERS UCS Director Openstack UCS Manager Application Policy Infrastructure Controller Converged Infrastructure Managers O pen D aylight Virtual Machine Manager Process Orchestrator 3 rd Party Orchestrator IaaS PaaS SaaS ITaaS Intercloud Prime Services Catalogue ORCHESTRATION SERVICES AUTOMATION PORTAL INFRASTRUCTURE MANAGEMENT Stack Designer Intercloud Fabric

22. Key Takeaways SIMPLE SIMPLIFY your infrastructure and INTEGRATE across silos SMART CREATE intelligent capabilities and SERVICES that fuel growth SECURE DEFEND against ATTACKS and mitigate THREATS dynamically Programmatic Interfaces Orchestration and Automation Centralized Control Fast IT

23. Fast IT Data Centre & Cloud Reference Architecture MANAGEMENT AUTOMATION POLICY SECURITY ORCHESTRATION SERVICES AUTOMATION PORTAL INFRASTRUCTURE MANAGEMENT Open Integration Ecosystem Partners