As our faithful readers know, Renesys monitors routing on the global Internet in real time and uses that information in a variety of ways. For example, we can instantly let you know which networks a hurricane has disabled or even tell you when a war has left things pretty much as they were. In short, we keep an eye on the Internet, the entire Internet, but this is all done at the level of IP addresses and the paths they follow.
The recent
attack on Twitter got us thinking.
Maybe we should be keeping an eye on a few more things?
While your IP addresses and routes to them might be completely stable,
the average user doesn't know about those.
In other words, when was the last time you typed ...
http://216.239.59.104
instead of ...
http://www.google.com
into your browser?
What if someone manages to point your domain name to some other IP addresses? You would still be operational as far as the Internet routers were concerned, but no humans would probably be reaching you. And that's the problem we'll briefly consider in this blog.
