[CentOS] minimize download bandwidth techniques

[Dale Sykora]

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of John R Pierce
> Sent: Thursday, April 12, 2007 2:27 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] minimize download bandwidth techniques
> 
> Dale Sykora wrote:
> > I know of a few techniques for minimizing server bandwidth when 
> > bittorent is not an option.
> >
> > 1) If you have the beta isos, you can rename them as centos 
> 5 isos and 
> > then rsync from a mirror that allows rsync (such as 
> kernel.org).  Then 
> > only changes from beta to centos 5 plus some overhead is 
> downloaded.  
> > I suppose you could use this technique with bittorrent too.
> >   
> 
> if one file near the beginning of the ISO changes size by 
> even a block, then the whole rest of the ISO will be 
> different, this will gain you nothing.

I used to download K12LTSP isos this way between beta versions and it
seemed to speed up the process.  I suppose your mileage may vary.