Date: Wed, 17 Sep 1997 20:46:14 +0200 (MET DST) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: jkh@time.cdrom.com (Jordan K. Hubbard) Cc: md6tommy@mdstud.chalmers.se, freebsd-hackers@FreeBSD.ORG Subject: Re: CDROM image Message-ID: <199709171846.UAA08323@labinfo.iet.unipi.it> In-Reply-To: <20322.874510892@time.cdrom.com> from "Jordan K. Hubbard" at Sep 17, 97 08:41:13 am
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> You mean they make it available for FTP? > > Sure, I could do that easily, I've just never knew that anyone would > really _want_ a 640MB file to download. What do other folks think? My humble opinion is that, since building a CD image locally is so difficult, it could be quite nice to have such a thing. Of course there is no hope to download the file unless you have a permanent connection to the net and an ftp client which can restart an interrupted transfer (fetch ?) or the server can split the file in pieces for late reassembly. It would be much nicer if we could use reliable multicast to send the image to multiple clients. How about an sdr session "FreeBSD 2.2.5 vol.1", at 128 Kbit/s is just 11 hours... put in some 20% losses and 80% protocol efficiency, you can still manage to feed all the mirrors in little less than one day! Too bad ftp.freebsd.org is not on the mbone... My rmdp program available from my web page research.html can do reliable multicast for large groups but I never tried it with such large files... Cheers Luigi -----------------------------+-------------------------------------- Luigi Rizzo | Dip. di Ingegneria dell'Informazione email: luigi@iet.unipi.it | Universita' di Pisa tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy) fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/ _____________________________|______________________________________
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