In this blog post, Calle Moberg (from Tail-F Systems who makes NETCONF software) highlights that the ONF has embraced NETCONF as mandatory for configuration of OpenFlow enabled devices. I didn’t know this was coming: [...] OF-CONFIG1.0 requires that devices supporting OF-CONFIG 1.0 MUST implement NETCONF protocol as the transport. This in turn implies as specified [...]
Bumper SDN/OpenFlow Roundup on Links for ONS 2012
22nd April 2012 by Leave a Comment
Internets of Interest is a conceit of mine where I collect useful, relevant or just fun places on the Internet and a bit commentary about what I’ve found interesting about them. With the Open Network Summit 2012 happening last week, there was an avalanche of hype from the mainstream press. I’ve attempted to pick something off [...]
OpenFlow Might Lower CapEx While SDN Will Increase OpEx
13th April 2012 by 20 Comments
A lot of people have talked extensively about OpenFlow making significant changes to the networking business. In particular, many writers have focussed on the possibility that OpenFlow enables a choice of using low cost network equipment instead of the expensive networking equipment that we use today.
Well, that’s highly unlikely.
Introduction to OpenFlow & SDN – Presentation and Screen Recording Posted
12th February 2012 by Leave a Comment
Thanks to Ivan at IPspace.net, we have posted the video and presentations from the SDN & OpenFlow on Tuesday including a demonstration of the OpenFlow/SDN with the BigSwitch virtualization controller.
Will SDN/OpenFlow Be Used in the Enterprise ?
11th February 2012 by 1 Comment
Following the OpenFlow/SDN webinar last week, Brad sent me this question:
What does your crystal ball tell you regarding industry acceptance? I can see the Google’s of the world needing this—but what about the average enterprise?
Here is my best effort at answering:
Is OpenFlow Open ? I Ask – Compared to What ?
9th February 2012 by 9 Comments
I’ve always wondered whether the Open Networking Foundation is the correct caretaker of the standards process for Software Defined Networking. Recently, we’ve seen some questioning of the direction of those standards on OpenFlow, and, now that we are beginning to understand the concepts of controllers, Software Defined Networking these are good questions to ask. it shows [...]
Comparing Embrane and Nicira Is Pointless – They Are Different
9th February 2012 by 2 Comments
Had a few conversations, and some articles, where comparisons are being made between Embrane and Nicira and wanted to point out that there are few similarities between these companies.
Defining Flow Forwarding Instead of Switch or Routing
8th February 2012 by 6 Comments
Wherein I make the case OpenFlow like technologies are neither switching or routing. It’s Flow Forwarding, or just Forwarding.
OpenFlow and Software Defined Networking: Is It Routing or Switching ?
21st December 2011 by 7 Comments
I got asked a question by a reader “is OpenFlow used for Routing or Switching ?”
