Posts Tagged ‘SD-WAN’

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.

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.

Evolving the network to a next-generation architecture is all the rage now. A digital business needs an agile, dynamic network to use as a foundation for innovation, so the network must now evolve. This is one of the reasons my fellow analysts and I are pushing the concepts of SDN, broadband WAN, and Network Functions Virtualization so hard – not evolving the network will start to cause companies to miss out on business opportunities.



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