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Hi, I'm Iljitsch van Beijnum, writer, freelance network engineer and PhD student. I'm from The Hague. Some of the blog posts here are in Dutch, others are in English. See BGPexpert.com for just work-related posts.

The BIRD Internet Routing Daemon

Yesterday, I talked about my first experience with OpenBGPD. Which of course raised the question: why not use BIRD instead? It's a lot more mature. So I gave it a try.

Full article / permalink - posted 2015-02-01

OpenBGPD

As part of my BGP training course, I explain to the participants that they can get BGP either by buying a router from the likes of Cisco or Juniper, or by running routing software such as Zebra, Quagga or OpenBGPD on a Unix (-like) operating system. Then I always mention that I haven't tried OpenBGPD yet, but I really should.

There's no time like the present, so I decided to take the plunge today.

Full article / permalink - posted 2015-01-31

The abominable snowman in Groningen

The abominable snowman in Groningen

Image link - posted 2015-01-24

Den Haag in de mist

Trams, een paar bussen en een stadhuis in de mist.

Lees het artikel - geplaatst 2015-01-19

→ Mapping the world's 4.3 billion Internet addresses

❝When North Korea's connection to the global Internet stopped working last month, one particularly eye-popping detail emerged. Despite being home to 25 million people, the Hermit Kingdom has barely more than a thousand Internet protocol addresses. IP addresses are a bit like Social Security numbers, used to identify every device — from laptops to mobile phones to gaming systems — connected to the Internet. How many exist per person around the planet paints a picture of just how unevenly the Internet is distributed today.❞

Read the article - posted 2015-01-16

IPv6 as seen by Google doubled from 2.75 to 5.5% in 2014

Google has been measuring how many of its users have working IPv6 for some years now. At the beginning of 2014, this number was 2.75%; higher during weekends, lower on weekdays. We ended the year close to 6%, but then when we all went back to work in 2015, we dipped right back down below 5%!

Full article / permalink - posted 2015-01-15

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