Tom Nolle, president of CIMI Corp., an independent consulting firm, says there's a lack of understanding about what the term means and what it represents.
"Today, uttering the word 'SDN' doesn't mean a lot more than saying the word 'computer' or 'server.' It's a very generic term.
What's more, because SDN
is typically implemented in narrow niches and smaller enclaves, there's no way to migrate to the technology en masse.
"There's no global SDN network capability," Nolle
That leaves CIOs and other IT executives to approach the technology in pieces or phases.
says it's best to consider the technology for large data centers with lots of servers and many layers of switching.
"If you are running componentized applications that are exchanging information through a workflow enterprise service bus or similar system, then SDN
may have enough benefits to consider.
It may not be the only strategy, but it probably is a reasonable strategy.
Geographically dispersed organizations, on the other hand, are less likely to realize significant returns.
believes that SDN adoption will spike significantly by 2015 or soon thereafter.
"It's a good time to do the fact-finding, understand different models and begin to sort things out," he