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Re: New APT Version



On 4 Apr 1998, Gregory S. Stark wrote:

> 
> Jason Gunthorpe <jgg@gpu.srv.ualberta.ca> writes:
> > Just cranked out a new version, it has a few new features and fixes a few
> > problems.
> > 
> > Available in Incoming or at http://www.debian.org/~jgg/apt_0.0.3_i386.deb.
> 
> I think it went into experimental.

Oh good!
 
> Also, is the ftp method going to be reenabled?

The ftp method has never been written, Manoj is working on a perl version.
The http method is really the best way to access the archive, it is
faster, safer and more feature rich than FTP.

The APT http method supports full pipelining, resume, date checking, and
proxy servers. Typically it sends about -1- packet to the remote server
that has all the files to fetch in it and then just waits while the remote
streams data at it.
 
For those of you with high bandwidth links, I have measured about a ~5%
BPS (10k/s!) gain over ftp, and for those of you with high lag the lack of
handshaking also dramtically speeds things up. 

> Or is there a list of http accessible sites anywhere?

ftp1.us.debian.org/debian
ftp.cdrom.com
llug.sep.bnl.gov/debian
ftp.kernel.org
ftp.de.debian.org/debian
ftp.de.debian.org/debian-non-US

There are a few more, ask your favorite mirror to make it available, it
lowers resource consumption on their end as well.

I would recommend not using llug if you can, Roxen does not yet support
all of the http/1.1 features, you loose resume and sometimes pipelining.

Apache > 1.2 is good, Boa I am told will soon support Resume and I
understand the Roxen people are at least working on their pipelining
support.

I would really like to get a list of mirrors in sources.list format ..
[would allow a much smarter seutp script]

> Going to germany from here is really unnecessary.

Actually it is, ftp.de.debian.org is the only http enabled site I know of
that has the non-US archive. It downloads about 12k from there. The non-US
archive doesn't change much so it doesn't do that often. It does however
make a quick If-modified-since query each time you do an update. Typically
this will finish by the time you have downloaded the package files from
your US site.

Using ftp on non-US is horrible, easially would triple the time for some
people.

Jason


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