Free-Form Discussion at CLEUR
I was fortunate enough to be invited out to Milan, Italy for Cisco Live Europe, and we had a few interesting discussions about a multitude of topics. One of them was more free-form than the others, and focused on defining SDN, what it’s value is, and where that value is most realized.
Check out this video recording of the session; it was good to get a few perspectives from non-networkers, since I’m sure their perspective is different from the network administrator’s as it pertains to the ongoing shift in this industry:
For the record, it’s not fair to say that VLAN provisioning takes two weeks, even after change approval. What the server administrator is usually asking for is an entirely new logical network, and there’s much that has to happen in order to do this, the easiest of which is tagging the server port on the ToR. These networks have dependencies, like IP space, firewall and load balancer contexts. Sometimes, routing configurations have to be changed. Is the current provisioning model optimal, or even acceptable? Of course not – that’s why I’m focusing on the newer, more automated methods. However, there’s more than meets the eye here.
I also want Continue reading