Turns out that there is a video book review of my BGP book. It came out three years ago but I just found it. At 59 seconds it's short and sweet, so if you have Flash installed, check it out.
Permalink - posted 2013-07-21
Here are my slides (PDF, 2.7 MB) for my lightning talk at the internet new year's 2013 event later today. It's in Dutch with English subtitles!
You can read the full story at Ars Technica: IPv6 takes one step forward, IPv4 two steps back in 2012.
Permalink - posted 2013-01-10
There's now a USB IPv6 keyboard called the IPv6 Buddy. It has the hexadecimal keys as well as the colon, double colon, slash, period, tab and enter keys. So everything you need to enter IPv6 addresses, including IPv4-mapped addresses and CIDR notation prefixes. It also works for MAC addresses.
"With all the time I save entering IPv6 addresses, I can concentrate on more exciting things! Like perfecting my BGP, OSPF and VRRP implementations."
Did I mention that my birthday is in a few weeks?
Permalink - posted 2011-12-13
In this Ars Technica article I discuss some research about attacking BGP in the core of the internet by making BGP packets drop through overloading the data plane. The researchers make some unrealistic assumptions, but the data plane overload issue is real.
Permalink - posted 2011-03-23
I've had a page that shows how many autonomous system numbers the RIRs have given out for a while now. However, when updating the slides for monday's BGP training course I realized that the results are all AS numbers—regardless of whether they're 16- or 32-bit.
So I updated the page. You can now request either 16-bit AS numbers, 32-bit AS numbers, or both. The total number of AS numbers given out so far is 53780. 1744 of those are numbers above 65535, so they're 32-bit. I was actually surprised that the number is this high. So far this year, the RIPE NCC has given out 592 AS numbers (that's more than half of the world total!), 199 of which are 32-bit. So it looks like 32-bit AS deployment is finally picking up.
The number of 16-bit AS numbers given out is 52036, with some 4400 given out in both 2009 and 2010. So at this rate, the 16-bit AS number space will be exhausted in less than three years.
Perform your own queries on the data here. An interesting one is the number of AS numbers per country. For instance, organizations in the US got 302 AS numbers this year so far. And only two of those are 32-bit.
Permalink - posted 2011-03-17
Two weeks ago, I wrote this story for Ars Technica with some educated guessing about how the regime in Egypt disconnected the country from the internet three weeks ago. Now the New York Times has a three-page story about the same thing, with many more facts. But strangely, it's still unclear whether routers were turned off, cables were disconnected or maybe the BGP configs were changed. Still, highly recommended. Note that you need to sign up (for free) with the NYT to read their stories.
Permalink - posted 2011-02-16