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SD-WAN: Does Your IT Team Have What It Takes?

Paul Desmond Posted On April 16, 2020
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An earlier three-part series of blog posts examined a series of questions to ask to determine whether your company may be a good candidate to implement Software-Defined Wide-Area Network (SD-WAN) technology. What the series did not cover was whether you’ve got the personnel in-house that it takes to architect and implement an SD-WAN and manage it for the long-term. That requires assessing a different series of questions.

While SD-WAN has been talked about for years, it is still a relatively young technology that has not yet seen widespread implementation, notes Michael Lawson, General Manager of SD-WAN Solution Architecture for CenturyLink. “There’s still a lot of learning going on,” he says.

Assess, Architect, Implement

Among the requirements necessary for an IT team to effectively implement SD-WAN is the ability to assess where opportunities exist (which gets back to the 3-part series). Then, the team has to develop a strategy, design an appropriate architecture, implement all required infrastructure, and support it over the long haul.

“Once implemented, it’s not a set it and forget it,” Lawson says. “SD-WAN requires tuning, and your organization needs to learn over time how to use it most effectively for the business.”

A number of different skill sets come into play with respect to SD-WAN, including familiarity with various wide-area network services, switching, routing, policy development and security. The security angle may be the most challenging for those coming in with WAN skills, as it’s common for SD-WAN solutions to come with integrated features including next-generation firewalls, intrusion detection/prevention, malware protection and more.

Training is in Short Supply

“CCIEs [Cisco Certified Internetwork Experts] can learn [SD-WAN], if they have the cycles to invest while running the existing network,” Lawson says.

“Learning,” of course, translates to training, which is in short supply from anyone other than SD-WAN vendors such as Cisco. Lawson warns, “It hasn’t reached that point of maturity yet.”

For example, Cisco’s SD-WAN training program includes two days of instructor-led training plus 7 hours of e-learning, including “5 hands-on lab exercises,” according to the course description. Before taking the course, you should have the following knowledge and skills, Cisco says:

  • Strong understanding of enterprise WAN design
  • Strong understanding of routing protocol operation, interior and exterior
  • Familiarity with Transport Layer Security (TLS) and IP Security (IPsec)

Deployment, Operations and Hiring

When it comes to deploying SD-WAN, most solutions promise some level of zero-touch provisioning (ZTP), Lawson says. “But boxes still need to be staged and shipped. A lot of it is driven by templates so it gets easier once you get up and running,” he told us. “But you need to understand the logistics behind deployment. It’s a resource consideration to take on.”

Finally, there’s ongoing operations considerations, starting with whether you have enough bodies to cover 24/7 operations at all your locations, especially if they span time zones. “Can you assess ongoing performance and meet the service level agreements you put in place internally?” Lawson asks. “If you can’t meet your objectives, maybe you’re over your head.”

In terms of hiring to fill the SD-WAN need, things are slowly looking up on that front. “We’re starting to see people with SD-WAN experience on their resumes. It’s easier this year than it was last year,” Lawson says. “But we’re still on the ground floor and you’re probably paying a premium for those folks.”

Recommended for you: Top 3 Misconception about SD-WAN

Read More

This article was previously published on NetworkWorld on September 11, 2019.

This blog is provided for informational purposes only and may require additional research and substantiation by the end user. In addition, the information is provided “as is” without any warranty or condition of any kind, either express or implied. Use of this information is at the end user’s own risk. CenturyLink does not warrant that the information will meet the end user’s requirements or that the implementation or usage of this information will result in the desired outcome of the end user.

Related posts:

  1. 8 Key Considerations When Selecting A Managed SD-WAN Service Provider
  2. The Latest in Innovation in the SD-WAN Managed Services Market
  3. Do-It-Yourself SD-WAN: No Shortage Of Complexity
  4. 5 Must-Have SD-WAN Security Capabilities
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Author

Paul Desmond

Paul Desmond has been involved in the IT trade press since 1988. He is principal with PDEdit (www.pdedit.com), an IT publishing firm he founded in 2001 that produces content for the IT trade press and vendor communities, including white papers, case studies, blogs and Web sites. Prior to founding PDEdit, Paul spent 11 years at Network World, serving as a reporter as well as news editor and features editor. Under his leadership, Network World's features department took home a number of editorial excellence awards, including a 1996 Neal Certificate of Merit Award from the Business Press Association and two 1998 awards from the American Society of Business Press Editors. Paul has also served as editor of Redmond magazine and was the founding editor-in-chief of Redmond Channel Partner magazine, which earned a Neal Award for Best Startup publication of 2005. He was also founding editor of the eComSecurity.com Web site, now known as eSecurityPlanet.com.

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