Cisco Intelligent WAN (IWAN)

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  • Edition: 1st
  • Format: Paperback
  • Copyright: 11/7/2016
  • Publisher: Cisco Press
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The complete guide to Cisco® IWAN: features, benefits, planning, and deployment

Using Cisco Intelligent WAN (IWAN), businesses can deliver an uncompromised experience, security, and reliability to branch offices over any connection. Cisco IWAN simplifies WAN design, improves network responsiveness, and accelerates deployment of new services. Now, there’s an authoritative single-source guide to Cisco IWAN: all you need to understand it, design it, and deploy it for maximum value.

In Cisco Intelligent WAN (IWAN), leading Cisco experts cover all key IWAN technologies and components, addressing issues ranging from visibility and provisioning
to troubleshooting and optimization. They offer extensive practical guidance on migrating to IWAN from your existing WAN infrastructure.

This guide will be indispensable for all experienced network professionals who support WANs, are deploying Cisco IWAN solutions, or use related technologies such as DMVPN or PfR.

  • Deploy Hybrid WAN connectivity to increase WAN capacity and improve application performance
  • Overlay DMVPN on WAN transport to simplify operations, gain transport independence, and improve VPN scalability
  • Secure DMVPN tunnels and IWAN routers
  • Use Application Recognition to support QoS, Performance Routing (PfR), and application visibility
  • Improve application delivery and WAN efficiency via PfR
  • Monitor hub, transit, and branch sites, traffic classes, and channels
  • Add application-level visibility and per-application monitoring to IWAN routers
  • Overcome latency and bandwidth inefficiencies that limit application performance
  • Use Cisco WAAS to customize each location’s optimizations, application accelerations, and virtualization
  • Smoothly integrate Cisco WAAS into branch office network infrastructure
  • Ensure appropriate WAN application responsiveness and experience
  • Improve SaaS application performance with Direct Internet Access (DIA)
  • Perform pre-migration tasks, and prepare your current WAN for IWAN
  • Migrate current point-to-point and multipoint technologies to IWAN

Author Biography

Brad Edgeworth (CCIE No.31574 R/S and SP) is a Cisco Systems Engineer and Technical Leader, and author of IP Routing on Cisco IOS, IOS XE, and IOS XR. He is a Distinguished Speaker at Cisco Live, where he presents on IOS XR. He previously worked as a network architect and consultant for various Fortune® 500 companies. Also a Cisco Design Professional and Microsoft Certified Systems Engineer (MCSE), he has 18 years of IT experience, specializing in routing for Enterprise and Service Provider environments.


David Prall (CCIE No. 6508 R/S, SP, and Security) is a Communications Architect on Cisco's Enterprise Networks Technical Strategy Team. At Cisco for over 14 years, he previously held Consulting Systems Engineer and Systems Engineer positions within the US Federal Area supporting civilian agencies. His primary focus is complex routing and switching, including the design, deployment, and troubleshooting of large networks using IOS, IOS-XE, and IOS-XR. His areas of focus include IPv6, Multicast, MPLS, Fast Convergence, and Quality of Service.


Jean-Marc Barozet has 25+ years of networking experience in both enterprise and service provider environments. At Cisco for over 17 years, he is currently Technical Leader on its Product Management team, supporting the introduction and adoption of new Cisco Intelligent WAN technologies. As Consulting Engineer with the Cisco sales organization for 13 years, he worked closely with Cisco's largest customers on routing and switching. He then joined the Software Engineering group that designs systems, features, and protocols in Cisco Network Operating Systems.


Mike Korenbaum (CCIE No. 40175 DC) is a Technical Marketing Engineer in Cisco's Enterprise Routing Group. Through eight years at Cisco, he has focused on WAN optimization, caching, and data center technologies. He has extensive experience in designing, sizing, troubleshooting, and optimizing large-scale enterprise networks. He has supported the introduction and customer adoption of new Cisco and Akamai technologies for the Intelligent WAN.

Table of Contents

1. Intro to IWAN
2. Transport Independence
4. Routing over DMVPN
5. Securing DMVPN Tunnels and IWAN Routers
6. Application Classification
7. Introduction to PfR
8. PfR Provisioning
9. PfR Monitoring
10. Performance Collection with Application Visibility
11. Introduction to Application Optimizations
12. Deploying Application Optimizations
13. Direct Internet Access
14. Troubleshooting
15. Migration Studies
16. Management

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