Lets talk about SD-WAN What is it really? Options for Service Providers
October 2016
Bill Reilly, Product Manager IWAN Product Management
Chris Lewis, Product Manager Network Function Virtualization
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What you will learn Where the industry currently is on SD-WAN
How we define SD-WAN and why
What it means for you, a Network Service Provider
How you can use this technology
Deep dive into our Cloud Intelligent WAN
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Why are enterprises thinking about SD-WAN?
Have either 2 or 3 WAN connections/branch
70%
of Apps accessed via Internet
50%
Cite poor application performance and latency as
corporate WAN concern
48.6%
Cite management of connectivity at branch as a
challenge
32.4%
Source: IDC Worldwide SD-WAN Survey Special Report (May 2016) PSOCRS-2011 3
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IT Priorities Focused on Business Outcomes
SD-WAN is expected to achieve all the above and a lot more.
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Emerging WAN Core Drivers Hybrid WAN Cores Flexible transport Options
easily mix, add or change transport services types and providers balance service level requirements and cost needs
Cloud First applications and data can be anywhere Cost effective access to Private, Virtual Private and Public Clouds applications optimized to deliver the required user experience
Secure infrastructure Internal and provider networks are not trusted any more segmentation, data privacy, hardened against attacks, etc
Carrier Neutral Facilities For direct peering with cloud and transport providers
Highly reliable infrastructure now more than ever Outages impact revenue 24x7x365, no downtime for maintenance
Operational efficiency, automation Simplify operations, PnP, Cloud Self managed, On-Prem Self managed, IWANaaS
Internet West
Region IWAN
East Region IWAN IWAN
Core
South Region IWAN
North Region IWAN
Public Cloud
vPrivate Cloud
Internet
Facebook Yahoo
YouTube,
Private Cloud
Ent POP
Branch
vBranch
V
Cloud PoP
V V
Ent POP
Cloud POP
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Cisco Digital Network Architecture Deliver DNA with Cisco IWAN
Cisco Intelligent WAN
Cloud Service Management
Automation
Analytics
Virtualization
Digital Network Architecture
Benefits
Automate with policies
Analytics with network insights
Physical and virtual platforms
Faster Innovation Reduce Cost & Complexity Lower Risk & Meet Compliance
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Separate Transport and Service CPE-to-CPE overlay enables separation of transport (underlay) and VPN service (overlay)
Routing in VPN service overlay environment should be almost trivial
CPE1
CPE2 CPE5
CPE3
CPE4
= Service aware
= Service unaware
IP or MPLS Transport Underlay
VPN Service Overlay
SDN Service Control
Transport Policy and Optimisation
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Hybrid WAN: Leveraging the Internet Secure WAN Transport and Internet Access
Branch
MPLS (IP-VPN)
Internet
Private Cloud
Virtual Private Cloud
Public Cloud
Secure WAN transport for private and virtual private cloud access
Leverage local Internet path for public cloud and Internet access
Increased WAN transport capacity, cost effectively!
Improve application performance (right flows to right places)
Secure WAN Transport
Direct Internet Access
Secure WAN transport for private and virtual private cloud access
Leverage local Internet path for public cloud and Internet access
Increased WAN transport capacity; and cost effectively!
Improve application performance (right flows to right places)
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SP Shared Services
IWAN Transport Option1
P
P
Router 1
Router 2
Single network
MPLS
PE
Customer-A Branch
PE
PE
Router 3 Router 1
Router 2
Customer-A Transit/Hub Site
Cloud Service Node
DM
Z
IWAN Edge
Customer-A Branch
vBranch
BE
GA
NFV
Physical Platform
Microsoft Azure
Internet
Google AWS
Internet
Facebook Yahoo
YouTube,
VPN Secure
GW VPN Secure
GW
BE
PE
PE
GA
BE
GA
GA Guaranteed Access (SLA) BE Best Effort, Broadband (No SLA)
Service Orchestration (NSO)
NFV Orchestration (ESC) PnP Server
SP Portal
Reporting LivingObjects
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SP Shared Services
IWAN Transport Option 2
Router 1
Router 2
MPLS
PE
Customer-A Branch
PE
PE
Router 3 Router 1
Router 2
Customer-A Transit/Hub Site
Cloud Service Node
DM
Z
IWAN Edge
Customer-A Branch
vBranch
BE
GA
NFV
Physical Platform
Microsoft Azure
Internet
Google AWS
Internet
Facebook Yahoo
YouTube,
BE
PE
PE
GA
BE
GA
GA Guaranteed Access (SLA) BE Best Effort, Broadband (No SLA)
INET
GATEWAY
Service Orchestration (NSO)
NFV Orchestration (ESC) PnP Server
SP Portal
Reporting LivingObjects
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SP Shared Services
IWAN Overlay
P
P
Router 1
Router 2
PE
DMVPN Overlay
MPLS
PE
PE
Customer-A Branch
PE
PE
Router 3 Router 1
Router 2
Customer-A Transit/Hub Site
Cloud Service Node
DM
Z
IWAN Edge
Customer-A Branch
vBranch DMVPN MPLS
DMVPN INET
Microsoft Azure
Internet
Google AWS
Internet
Facebook Yahoo
YouTube,
Service Orchestration (NSO)
NFV Orchestration (ESC) PnP Server
SP Portal
Reporting LivingObjects
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Identify Prioritize Accelerate
See 1000+ apps running on your network
Automate app priority based on business policies
Boost app performance
Securely on any connection or platform for all users
Cisco Intelligent WAN Application-centric SD-WAN
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Ubiquitous Visibility Across Entire Network Make The Network Application-Aware
Intelligence & Insights Detect/Categorize 1000+ applications automatically
Application Categories Consumer Apps Voice and Video
File Sharing Business and Productivity Tools
Social Networking Software Updates Instant Messaging
Database Gaming
Browsing Email
72 48 36 31 28 24 19 17 12 9 8
Any user, device, wired or wireless
Facilitates trouble-shooting
No probes or additional HW
Browsing Consumer_apps Unknown Net-admin File-sharing Voice-and-video Other
Cisco AVC also makes it easy to see if slow application performance is a result of client network delay or server network delay.
IT staff gain a 360-degree view of all devices, users, and applications from a single location.
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Business Priority based Intelligent Path Control Increase Application Availability
Route app path based on policies 3
Use Internet as the 2nd WAN 2
Set app rankings and policies 1 Business Relevant High Priority
Business Irrelevant Low Priority
Default Medium Priority
Active-Standby Active-Active
Full utilization of ALL available
bandwidth
Improved application
performance
Lower operating costs
I want my critical data and voice traffic moving over MPLS, because I have a service-level agreement with my MPLS provider and I can hold him accountable if theres an outage or slowdown. PfR does that for me, while sending lower-priority traffic like web surfing to DMVPN.
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WAN Optimization and Content Caching Enhance the Application Experience
Mobile Apps
Guest WiFi
Video Conferencing
Digital Signage
Catalogs
On-demand Training
Enable Business Initiatives
Reduced Bandwidth
0 0
1
2
3
4
40
80
120
160
App Bandwidth App Latency
Bandwidth (Mbps)
Latency (ms)
Reduced Latency
Bandwidth with IWA
