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Why DNS is good
By Dave Winer on Friday, June 17, 2011 at 10:04 AM.

Predictably, people ask why is it better to use a domain name to point to a section of an outline than use a path. #

When I was a math student, we tried not to ask questions that showed we couldn't think for ourselves. I wish more would-be techies, people who would have you think they have deep knowledge of tech, had that attitude.  #

However, assuming the people just didn't know... #

The reason it's better is that it can be changed, without breaking incoming pointers.  #

It's the Internet-friendly way to link. #

A picture named elmersGlueAll.jpgAnalogously. When I lived in Florida, I was pretty sure I would be moving around a lot. So I got a PO box in a city, and had all my bills and statements sent there, instead of to the specific places I lived. That way I could move and everything would still find its way to me. #

The last time we played with the World Outline concept, linkrot was the big issue.  #

Why? #

1. Outlines make it super-easy to reorg. #

2. You want to encourage people to reorg. #

3. However when you reorg and you're using paths to point to the spot you moved, oops, you just broke all incoming links! #

Back then I told people to just accept linkrot as a consequence of publishing your text on rails.  #

But in the back of my mind, I knew that wasn't good enough. #

I want to be able to leave a marker somewhere and have it go with the structure it's pointing to, where ever it might go. #

And beyond that, looking out into the future, I want to make it possible for you to give a name to something I've published, and have it move as I move it.  #

DNS gives us that. #

And what's amazing is that DNS is so old. It's like the lizard brain of the Internet. So ancient that it even predates TCP/IP! #

It's amazing to me how, when you pick up a rock, you find something beautiful like this under there. #

BTW, I owe a lot to friends who know their DNS for validating my belief that it could work. #

Christmas Tree
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