Software-Defined WAN: Simplifying Enterprise Hybrid WAN Deployments

  • ID: 3733843
  • Report
  • Region: Global
  • 27 Pages
  • Frost & Sullivan
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Thanks to Software-Defined WAN, or SD-WAN, CIOs can Confidently Consider Hybrid WAN Deployments that Make the Best of Internet (Inexpensive and Widely Available) and MPLS (Private and Reliable) Links

FEATURED COMPANIES

  • Cisco
  • Citrix
  • CloudGenix
  • Glue Networks
  • Nuage Networks
  • Riverbed
  • MORE
The industry has long debated which technology is superior for global enterprise Wide Area Networks (WANs): multiprotocol label switching (MPLS) or Internet-based virtual private networks (VPNs). While some argue that Internet-based VPNs are preferable because of their flexibility, scalability and cost benefits, others swear by MPLS for its reliability and performance (albeit expensive) characteristics.

The choice of MPLS versus Internet comes down to whether the CIO is comfortable with entrusting his/her company’s applications to the Internet or prefers to keep them on a private network that does not touch the Internet. However, the growing penetration of cloud- based applications and mobility is forcing enterprises to re-evaluate their networking strategies.

Thanks to Software-defined WAN, or SD-WAN, CIOs can confidently consider hybrid WAN deployments that make the best of Internet (inexpensive and widely available) and MPLS (private and reliable) links. An SD-WAN utilizes intelligent, application-aware software to route traffic over the optimal network technology, based on business policies.

The ability to ensure optimal application performance irrespective of the underlying transport, and to control branch-site routing polices remotely, has attracted significant interest from enterprises, especially from verticals with highly distributed branch locations (e.g., retail, healthcare, banking and financial services, education). The growing interest from enterprises has influenced leading network service providers (NSP) to add SD-WAN capabilities to their existing hybrid WAN solutions.

The SD-WAN competitive landscape is highly fragmented, with a number of vendors that offer varying levels of functionality. It includes pure-play vendors such as Viptela, VeloCloud, Versa Networks, and CloudGenix; WAN optimization vendors such as Citrix and Riverbed; and networking solution vendors such as Cisco and Talari-all competing for a piece of the SD-WAN revenue pie.

In this report, an in-depth analysis of the following is presented:

- SD-WAN’s value proposition
- Market trends driving adoption of SD-WAN
- Overview of leading SD-WAN vendors’ market approaches
- NSPs’ SD-WAN initiatives
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FEATURED COMPANIES

  • Cisco
  • Citrix
  • CloudGenix
  • Glue Networks
  • Nuage Networks
  • Riverbed
  • MORE
1. Introduction

2. SD-WAN Explained

3. Traditional MPLS-based WAN vs. Hybrid SD-WAN
  • Hybrid WAN is Not SD-WAN
4. Why SD-WAN
  • Cost savings
  • Agility
  • Speed to Market
  • Improved Application Performance
5. Market Trends Driving Adoption of SD-WAN Solutions
  • Hybrid Cloud Connectivity
  • Mobility, Internet of Things (IoT), Big Data, and More
  • Network Segmentation for Enhanced Access Control
  • Branch office connectivity
7. Competitive Landscape

8. Pure Play Vendors
  • CloudGenix
  • Nuage Networks
  • Viptela
  • VeloCloud
  • Versa Networks
9. Network Solution Vendors
  • Cisco
  • Glue Networks
  • Talari Networks
10. WAN Optimization Vendors
  • Citrix
  • SilverPeak
  • Riverbed
11. Managed SD-WAN: Network Service Providers’ Role in the SD-WAN Market
  • Why Managed SD-WAN?
  • SD-WAN Strategies of Leading US-based NSPs
  • Verizon:
  • AT&T:
  • CenturyLink:
12. The Last Word

List of Exhibits

Exhibit 1: SD-WAN Architecture
Exhibit 2: VeloCloud’s SD-WAN Solution Optimized for On-prem & Cloud Applications
Exhibit 3: Nuage Networks SD-WAN Architecture
Exhibit 4: Viptela SD-WAN Architecture
Exhibit 5: VeloCloud’s SD-WAN Solution Architecture
Exhibit 6: Versa’s SD-WAN Architecture
Exhibit 7: Versa Networks VNFs Deployment Options8
Exhibit 8: Cisco’s SD-WAN Architecture
Exhibit 9: Glue Networks Glueware 2rchestration Platform
Exhibit 10: Talari’s SD-WAN Solution Architecture
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- Cisco
- Citrix
- CloudGenix
- Glue Networks
- Nuage Networks
- Riverbed
- SilverPeak
- Talari Networks
- VeloCloud
- Versa Networks
- Viptela
Note: Product cover images may vary from those shown
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