Based on the somewhat surprising results of the routing protocols poll (the high percentage BGP got), it would be nice to know the network type that you design/manage/operate. Please respond to this week's readers' poll; if you work for Cisco, other equipment vendors or a system integrator/professional services company, simply select the network type that you work with most often.
Ivan Pepelnjak, CCIE#1354, is the chief technology advisor for NIL Data Communications. 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.