Geoff Huston I had the honour to be invited to present at the 2012 Nordunet Conference in Olso in September. This post contains my personal impressions from the conference.

The tabloid press are never lost for a good headline, but this one in particular caught my eye: “Global Chaos as moment in time kills the Interwebs“. I’m pretty sure that “global chaos” is somewhat over the top, but there was a problem happening on the 1st of July this…

The NZNOG meeting continues to be one of the more interesting NOG meetings these days. Now I have to say that in some sense the NZNOG meeting was not highly polished in terms of logistics: some of the time the overhead projector was either bouncing around or projecting in green,…

Until recently IP network operators were encouraged to set up so-called “bogon address filters” at the edge of their networks. These filters were intended to discard all incoming traffic where the source address in the IP header was from a block of addresses that was known to be unallocated. The…

In this article we will be delving into the behaviour of the Linux implementation of TCP, and looking at the way in which TCP establishes a connection. There are socket options in Linux that cause the TCP handshake to behave in a rather curious way.