Following will be more details on the subject, but let’s just get this out of the way first: SD-WAN is a virtual, or overlay, network; the physical, or underlay, network is the one on which the overlay network resides. Virtual overlay networks contain nodes and links (virtual ones, of course)
Many of the misrepresentations of truth (OK, myths) that get bandied about regarding SD-WAN come from MPLS providers or network engineers who are happy with their current architecture and/or dread the thought of change. There’s no question, MPLS has been a great transport technology over the past fifteen (15) years
In late 2017, tech giant VMware purchased VeloCloud, which further strengthened and enhanced its market-leading position transitioning enterprises to a more software-defined future. The acquisition greatly built on the success of its leading VMware NSX virtualization platform, and expanded its portfolio to address branch transformation, security, end-to-end automation and application
By Richard Arneson Companies have been augmenting their IT departments for years with professionals who can step in and make an immediate impact by utilizing their skill sets and empirical expertise. And it’s not limited to engineers or solutions architects. Project managers, high-level consultants, security analysts, DevOps professionals, cabling experts…the
You can’t get more than a few words into any article, blog or brochure about SD-WAN without reading how the control and data planes are separated. For many, this might fall under the As long as it works, I don’t really care about it heading. And that’s evident based on
In April of 2017, Cisco put both feet into the SD-WAN waters with their purchase of San Jose, Ca.-based Viptela, a privately held SD-WAN company. One of the biggest reasons for the acquisition was its ability to easily integrate Viptela software into Cisco’s platforms. Prior to the acquisition, Cisco’s SD-WAN
By Richard Arneson SD-WAN (software-defined WAN) has been all the rage for a few years now, coming to the rescue of enterprises that had spent considerable chunks of their IT budgets on MPLS to connect offices scattered through the world. But it’s not to be confused with SDN (software-defined networking),
By Richard Arneson We’ve all heard of it; we know our company should be striving to achieve it; but what exactly is…digital transformation? Many people, at least those outside of the IT and telecommunications industries, may have been first introduced to the digital world through clocks or CD’s, leaving them
Choose to ignore it and you’ll pay later (just ask the city of Atlanta) In March of this year, the City of Atlanta found out the hard way what failing to do a security check-up can mean. They were hit with the SamSam ransomware, which created an encrypted wall that
