Design

Choosing SD-WAN Vendor – Have You Found the Tradeoff?

ddib / December 26, 2019

When I studied for my CCDE, I had the good fortune of receiving mentoring from Russ White. Something he taught […]

ddib / February 12, 2016

Introduction to GET VPN GET VPN is a Cisco proprietary technology aimed for private WAN designs where there is a

ddib / August 12, 2015

Introduction From my last post on PIM BiDir I got some great comments from my friend Peter Palúch. I still

ddib / May 28, 2015

Traditional data centers have been built by using standard switches and running Spanning Tree (STP). STP blocks redundant links and

ddib / March 6, 2015

Introduction Open Shortest Path First (OSPF) is a link state protocol that has been around for a long time. It

ddib / January 17, 2015

Trying to get my CCDE studies going again. I’ve finished the End to End QoS Design book (relevant parts) and

ddib / November 7, 2012

So I’ve just started to read the ARCH book and I want to do some posts to help with my