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What SD-WAN Means for Enterprise
The document discusses the evolution of enterprise WAN (Wide Area Network) and introduces the concept of SD-WAN (Software Defined WAN) as a solution to modern networking needs. It outlines the benefits of SD-WAN, including increased control, flexibility, and cost savings while facilitating the integration of various transport mediums. Additionally, it emphasizes the role of Virtualized Network Services (VNS) in automating and simplifying WAN management for enterprises.
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What SD-WAN Means for Enterprise
- 1. Copyright 2015Alcatel-‐Lucent. All rights reserved. 8/28/15 1
- 2. Copyright 2015Alcatel-‐Lucent. All rights reserved. What SD-‐WAN means for Enterprise Toshal Dudhwala August 25, 2015 The next generation Enterprise branch network and services @tdudh
- 3. Copyright 2015Alcatel-‐Lucent. All rights reserved. Agenda § State of Enterprise WAN § What is SD-‐WAN? § What is Nuage Networks doing? § Use Cases 3
- 4. Copyright 2015Alcatel-‐Lucent. All rights reserved. Adoption of Off-‐Premise Cloud services § Off-‐premises cloud services to be $200B by 2018 § IaaS– to augment in-‐house infrastructure during peak loads, keeping capex lower § PaaS/CaaS – to speed up application development and deployment § SaaS – to allow experimentation with new applications § Hybrid Cloud becomes architecture of choice § Public cloud becomes too costly as the usage scales up § Want more control than public cloud offers § The WAN becomes strategic § Corporate WAN traffic is forecast to grow at 15%/year through 2018 § Cost savings is even more important 4 Source: www.ihs.com
- 5. Copyright 2015Alcatel-‐Lucent. All rights reserved. Next Generation WAN Requirements Customer Current Network Key Requirements Driving Factors Bank 3000+ ATM/branch locations 2 x MPLS Networks ATM, Banking, Video, Internet High BW (100Mbps) links for non-‐sensitive data with strong security for sensitive data Enhanced services for customer (i.e. Agility) e.g. Video ATM Restaurant Chain 1000+ international locations T1 MPLS links POS, Ordering Menu, Inventory High BW (50 Mbps) links with 3G/4G connection as a backup for MPLS Cloud based application with high BW access at branch sites Retail Chain (Food, Drug, Clothing, etc) 7000+ locations MPLS Network POS, Inventory, VoIP Managed VPN service (10 Mbps) with converged services Lower WAN OPEX cost Government 100+ locations T1 MPLS Network Voice Load balance voice traffic on multiple WAN (MPLS, Microwave, LTE and Internet) 100% reliability via Hybrid WAN networks 5
- 6. Copyright 2015Alcatel-‐Lucent. All rights reserved. State of Enterprise WAN Today TRANSPORT DEPENDENT LOCATION DEPENDENT DEVICE DEPENDENT MANUAL (TIME ‘DEPENDENT’) ENTERPRISE WAN 1. Turn-up a new site 2. Reconfiguration of existing site 3. Transport introduction/upgrades 4. L2-L4 VPN service configuration 5. Security implementation 6. Security assessment 7. L4-L7 application insertion 8. Datacenter interconnection 9. Operational moves/adds/changes 10. Service assurance/fault localization 11. Service optimization/fault prevention 12. Device replacement 13. Configuration auditing/compliance 14. . . .
- 7. Copyright 2015Alcatel-‐Lucent. All rights reserved. What is SD-‐WAN? SD-WAN promises to shift incremental control to enterprise IT SD-WAN (Software Defined Wide Area Networks ) is a new model for the delivery of Enterprise services over WAN based on SDN principles Overlay(offers( transport( choices( Self%governance- of-service- func1ons- -- IT-‐approach to network service delivery
- 8. Copyright 2015Alcatel-‐Lucent. All rights reserved. SD-‐WAN – Bigger picture 8 MPLS WAN Internet Site1 Site2 HQ/DC SD-‐WAN enabled VPN Network Centralized Policy and Control Any-‐to-‐any network connection Transport Independent Intelligent Traffic control Policy based Network management Automated branch and Services orchestration
- 9. Copyright 2015Alcatel-‐Lucent. All rights reserved. WAN Evolution with SD-‐WAN TRANSPORT DEPENDENT LOCATION DEPENDENT DEVICE DEPENDEN T MANUAL (TIME ‘DEPENDENT’) ENTERPRISE WAN TRANSPORT INDEPENDENT LOCATION INDEPENDENT DEVICE INDEPENDENT ENTERPRISE VNS AUTOMATED (TIME ‘INDEPENDENT’)
- 10. Copyright 2015Alcatel-‐Lucent. All rights reserved. Virtualized Network Services (VNS) – definition 10 • VNS (def.) : Enterprise focused solution aimed at automating the Enterprise WAN – Automating: device installation/replacement/upgrades, new transport introduction, VPN service instantiation, IP/MPLS interoperability, traffic encryption, security enforcement, L4-‐7 application insertion, cloud-‐bursting, moves/adds/changes, service assurance, traffic analytics, policy auditing . . . SOFTWARE DEFINED AUTOMATED NETWORKING Seamless Cloud Integration Flexible Deployment Model Unified Services Policy
- 11. Copyright 2015Alcatel-‐Lucent. All rights reserved. VNS – Componentry 11 VSP: Unified Multi-‐tenanted Policy and Control Virtualized Services Controller (VSC) Virtualized Services Directory (VSD) . . . . Layer 4 Security Traffic SteeringQoSLayer 3 NSG (Physical) NSG (Virtual) Layer 2 ✔ ✔ Bootstrap § Runtime topology engine § Federated control-plane manager § Instantaneous programming of the network § Unified policy-plane for mgmt of distributed end points § Business/IT Service engine (definition of rules) § Multi-tenant templates & Analytics § General-purpose compute platform § Lightweight data-path agent leverage HW acceleration § Security hardened with TPM/X.509/TLS-based identification § Multi-tenant/Multi-VPN with enhanced networking services
- 12. Copyright 2015Alcatel-‐Lucent. All rights reserved. Mapping VNS to SD-‐WAN 12 Overlay(offers( transport( choices( IT#approach*to* network*service* delivery* VSP: Unified Multi-‐tenanted Policy and Control Virtualized Services Controller (VSC) Virtualized Services Directory (VSD) . . . . Layer 4 Security Traffic SteeringQoSLayer 3 NSG (Physical) NSG (Virtual) Layer 2 ✔ ✔ Bootstrap Self%governance- of-service- func1ons- --
- 13. Copyright 2015Alcatel-‐Lucent. All rights reserved. Traditional Branch Control plane BRANCH NETWORKING DEVICE Management plane Forwarding plane PROPRIETARY HARDWARE VNS Branch GENERAL PURPOSE COMPUTE OPEN OS x86 Centralized Policy Manager SDN Controller Security Traffic SteeringQoS Branch Networking for Cloud Era
- 14. Copyright 2015Alcatel-‐Lucent. All rights reserved. Fixed Office / Building Retail / Store Front Kiosk / ATM Pop-‐up Virtual Private Datacenter Temporary Mobile workforce Public Datacenter (IaaS) Cloud Applications (SaaS) What is Branch? Branch (def.): Any location requiring attachment to Enterprise WAN
- 15. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) VNS Deployment 15 MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Public Cloud
- 16. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) VNS Deployment 16 MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Public Cloud VSD VSC Enterprise admin
- 17. Copyright 2015Alcatel-‐Lucent. All rights reserved. VNS Deployment 17 MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Public Cloud VSD VSC Enterprise admin Private Data Center (or HQ)NSG NSG N S G
- 18. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) Public Cloud VNS Deployment 18 VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin OF-‐TLS NSG NSG N S G
- 19. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) Public Cloud VNS Deployment 19 VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin OF-‐TLS Virtualized Network Services (VNS) WAN VXLAN/ MPLSoGRE IPSec NSG NSG N S G
- 20. Copyright 2015Alcatel-‐Lucent. All rights reserved. … a fully automated, policy driven WAN 20 Private Data Center (or HQ) Public Cloud VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin OF-‐TLS Virtualized Network Services (VNS) WAN VXLAN/ MPLSoGRE IPSec NSG NSG N S G
- 21. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) Public Cloud Use Case #1 -‐ Hybrid WAN 21 VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin NSG NSG N S G ECMP across both links
- 22. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) Public Cloud Use Case #1 -‐ Hybrid WAN 22 VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin Voice Video NSG NSG N S G ECMP across both links Intelligent Traffic Steering
- 23. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) Public Cloud Use Case #1 -‐ Hybrid WAN 23 VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin Video NSG NSG N S G ECMP across both links Intelligent Traffic Steering Seamless Backup X Voice
- 24. Copyright 2015Alcatel-‐Lucent. All rights reserved. Private Data Center (or HQ) Public Cloud Use Case #2 – Hybrid Cloud 24 VSD VSC MPLS WAN (Provider Networks) Internet (3G, LTE, BB) Site1 Site2 Enterprise admin NSG NSG N S G
- 25. Copyright 2015Alcatel-‐Lucent. All rights reserved. VNS Business Case for Enterprise § Large Enterprise with 200 branch locations worldwide § Uses Multiple transport medium for VPN connectivity § Over 80% saving in rollout cost § Using ZTP with policy based orchestration § Over 40% saving in TCO (Total Cost of Ownership) § Template based policy allows easily and automated management of branch network policies 25 1 2 3 4 TCO (USD) YEAR Traditional VNS Savings 14% 34% 41% 65%
- 26. Copyright 2015Alcatel-‐Lucent. All rights reserved. Summary § The decade-‐only WAN architecture is no match for today’s Enterprise business needs § SD-‐WAN is a next generation architecture to meet Enterprise next generation WAN requirements. § VNS provides an automated, policy based solution to deliver business services in a secured way 26 TRANSPORT INDEPENDENT LOCATION INDEPENDENT DEVICE INDEPENDENT ENTERPRISE WAN POLICY DRIVEN AUTOMATION INTER OPERABLE FLEXIBLE DEPLOYMENT MODEL
- 27. Copyright 2015Alcatel-‐Lucent. All rights reserved. THANK YOU
- 28. Copyright 2015Alcatel-‐Lucent. All rights reserved. nuagenetworks.net @nuagenetworks