Why you should care about complexity

29 February 2016 | 2 Comments

If you look across a wide array of networking problems, you will see what is an apparently wide array of dissimilar and unrelated problems engineers deal with on a daily basis. For instance— Should I split this flooding domain into multiple parts? If so, where should I divide it? Which routing protocol should I use…

Micromanaging networks considered harmful: on (k)nerd knobs

2 September 2015 | Comments Off on Micromanaging networks considered harmful: on (k)nerd knobs

Nerd Knobs (or as we used to call them in TAC, knerd knobs) are the bane of the support engineer’s life. Well, that and crashes. And customer who call in with a decoded stack trace. Or don’t know where to put the floppy disc that came with the router into the router. But, anyway… What…

SD-WAN and Multiple Metrics

6 July 2015 | Comments Off on SD-WAN and Multiple Metrics

Ivan has posted a reaction to Ethan, which prompts me to… Okay, let’s start at the beginning. Ethan wrote a nice post on SD-WAN and the “shortest path we always wanted,” covering some of the positive and negative aspects of software defined WAN. Ivan responded with this post, in which he says several interesting things,…