SDN/SDDC Retreat in Miami, Florida (November 4th-6th)
Separate SDN hype from real life!

3 & 5 Years Ago (November 2012)

November 2009 was the month of Hierarchical Queuing Framework and other QoS goodies, and the month I started my periodic “we’re missing IPv6 in the Data Center” rants (three years later, IPv6 is still MIA in virtual networks).

In November 2007 I was writing about BGP default route ... and I’m still getting questions about it.

Most popular posts from November 2009

Most popular posts from November 2007


  1. Ah yes!! Your CB-WFQ misconceptions post was the post that introduced me to your blog.

    Thanks for all the good posts and insight you have provided!! keep it up.

  2. Some bugs to watch out for on HFQ QOS:



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Ivan Pepelnjak, CCIE#1354 Emeritus, is an independent network architect. He has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced technologies since 1990. See his full profile, contact him or follow @ioshints on Twitter.