Posts Tagged ‘WAN speak’

The year 2015 is almost in the books. That means it’s time to say, “I can’t believe the year is almost over,” and time for many of us in the industry to make some bold predictions as to what we think the future holds. I had intended to write a post with some standalone thoughts on what the coming year will bring, but then I read the recent piece by David Hughes filled with 2016 networking predictions and thought I would weigh in on his prognostications instead.

A few weeks ago I presented on the state of Software-Defined Networks (SDN) at this years Open Networking User Group (ONUG) conference. During the section on SD-WAN I made a comment that I thought that hybrid WAN was an unnecessary step on the journey towards a broadband WAN. It appears I touched a nerve on that topic — the minute I stepped off the podium I was inundated with people asking to me to explain myself further — so I thought I would give more details.

One of the quotes that Albert Einstein is credited with is: “The definition of insanity is doing the same thing over and over again and expecting different results.” If that is indeed how insanity is defined then there is no part of IT that is more insane than the corporate WAN. I’ll explain why I say that below.

I moderated a workshop on the topic of software defined WANs (SD-WAN) last month and I’m continually baffled that the focus of software-defined networking remains on the hardware for so many individuals. This is clearly a hangover from the early days of SDN when many of the start ups were hammering home the point that hardware is expensive and businesses should move to a software-defined model and cut capital costs.

Securing the Cloud a Top Concern

I moderated a CIO roundtable on the topic of the cloud several ago in New York. The round table was intended to be a general discussion on cloud strategy but quickly morphed into session specifically on cloud security. The fact that it turned into dedicated discussion on security wasn’t a big surprise to me given the fact that security remains, by far, the top concern for CIOs regarding the cloud. Don’t get me wrong, cloud services are being consumed much faster than premise-based infrastructure or applications but how to handle cloud security is keeping CIOs up at night.

In June I posted a blog urging the incumbent telcos to accept the fact that the era of SD-WANs is here and to embrace it instead of fearing it. The topics of SD-WAN and broadband WAN have been red hot of late, but almost all of the early thought-leadership has been driven by start-ups like Velocloud, CloudGenix, Glue Networks and Viptela. As far as mainstream infrastructure vendors go, Silver Peak has been the most aggressive regarding the topic of WAN evolution, and Cisco has recently oriented its IWAN solution to being aligned with SD-WAN. However, other WAN vendors such as Juniper and Riverbed have been non-existent when it comes to SD-WAN.



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