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The Myths and Realities of SD-WAN

The Myths and Realities of SD-WAN

As the enterprise adoption of 3rd Platform technologies such as cloud increases, enterprise legacy networks are put under great strain. Legacy WAN products struggle to keep up with evolving workloads and the ever-increasing demand for bandwidth. SD-WAN's software-defined approach to networking brings new flexibility and control to a network that was once static and inflexible. SD-WAN can be deployed on top of existing network infrastructure or might come bundled with the network underlay. "With each approach having its own pros and cons, the messaging around what an SD-WAN solution is and its true benefits and capabilities can often be confusing. Organizations must carefully evaluate these solutions and understand its benefits and implications before committing to their network transformation journey," says Nikhil Batra, senior research manager, Communications Service Provider Practice.


Executive Snapshot

In This Market Perspective

New Market Developments and Dynamics

Challenges Faced by Legacy Networks

Operational Complexity

Application Performance

Limited Network Flexibility

Types of SD-WAN Deployments Models

SD-WAN Myths Versus Realities

Myth #1: SD-WAN Will Replace MPLS with Broadband Internet Connections

Myth #2: SD-WAN Can Guarantee Quality of Service

Myth #3: SD-WAN = WAN Optimization

Myth #4: SD-WAN Lowers Network Spending

Myth #5: SD-WAN Is Fast and East to Deploy

Advice for the Technology Buyers

Advice for the Technology Suppliers

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Synopsis

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