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Re: Questions on code distribution

Michel Deriaz wrote:
> Hello,
> I am working on a research project on dependency and consistency 
> management related to the distribution of large-scale open-source software.
> I have a couple of short questions, that you might be able to help me with.
> - How many mirror servers do you rely on for the distribution of your 
> Linux distributions, and how many belong to you?
> We found for instance that Mandrake depends on around 100 mirror sites, 
> and none are under their control.

<http://www.debian.org/mirrors> lists the official ones.
There are more than that for unofficial ones.

> - How are the mirror servers organized (hierarchically (i.e., mirror x 
> always downloads from mirror y), P2P, ...)?


> - What is the complete size of the distribution?


> - How often are mirrors updated on average (e.g., once a day, variable)?

once a day

> - How much time can elapse between the moment you publish a new version 
> to the moment all mirror servers are up-to-date?

There are trace files on the mirrors that will give you datails, iirc.

> - How do you assure the compatibility between the different packages?

Parse error.



PS: If you had done your homework, you had only asked the last (two) questions.

MIME - broken solution for a broken design.  -- Ralf Baechle

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