There is an old saying “A man with his eyes fixed on Heaven doesn’t see where he is going”. It’s an almost perfect description of how the major vendors are bringing Software Defined Networking to the market.
The consistent message from all the vendors and especially the Cisco, Juniper and Brocade is that there are “no use cases for SDN”. In the last three months, this has been a constantly repeated statement both publicly and privately. This beggars belief that vendors can’t see immediate needs that deliver long term gains.
I suspect that the root of this problem is the big companies want to solve big problems. And by solving big problems they figure that they can make big revenue. Alright, I get that. It’s understandable that large organisations need a constant revenue stream to feed the insatiable maws of their shareholders. However, the vendors re also missing the most real and immediate problem of networking today. Simply, Networking is too hard.
Vendors haven’t developed tools that keep the complexity of networking under control. Complexity can be reduced to this: “I don’t have big problems, I have lots of small problems.” You can have debates about addressing complexity and how to attack it, but it nearly always boils down to this: start small.