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I keep hearing about how SDN will fail because of high round-trip latency from an switch or router platform to the controller. This is much like the criticism I heard [...]

This blog provides a brief update on Cisco onePK. As part of @pjwelcher

The following image should take you to the #NFD5 streaming video link -- you can watch the presentations and the delegates in real time. Note that this will only "work" during the event, I will post links to the recorded videos later.   [Note: Streaming link de-activated after event.]

Thanks to the person who asked me about the Daylight Project via a blog comment. I’ve been researching the rumors online. The purpose of this blog is to summarize the [...]

This blog is about recent Nexus features. It reflects something I’ve been meaning to do for a few weeks now. I find that I get busy and don’t get around [...]

On March 1, 2013 Hailey received a Community Spotlight award from the Cisco Support Community for his contributions last month.

I intend to post a series of blogs to help people study for the CCIE R&S (Routing / Switching) written test. This grows out of studying the last two times [...]

Yes, I’ve been lurking and watching discussions of SDN (Software Defined Networking) for quite some time. I’ve been quietly assessing what I read and hear, what I believe, where I’m skeptical, and [...]

You may have noticed the NetCraftsmen News page article mentioning that Terry Slattery and I were invited and plan to attend Network Field Day #5. See also http://techfieldday.com/. I plan to listen to vendor presentations, learn,  and contribute what I can. I can also ask relevant questions for you (taking the…

I have been looking at using a service provider MPLS VPN to back up an enterprise MAN connections where the core routers are Nexus 7000s (N7Ks). Basic Premise An organization called Gamma has two main sites, DC and HQ, in the same city. The two divisions are in different buildings…

Software Defined Networking (SDN) is a relatively new term and its definition is still being refined. I thought that it would be useful to help refine the definition with some [...]

I have been researching SDN (Software Defined Networking) for a customer and then for presentation to the Cisco Mid-Atlantic User Group ( CMUG). In my opinion, SDN will be a [...]