From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: Re: YAPP server pgm - Packet File Transfer Date: Fri, 15 Jul 2005 02:54:20 -0500 (EST) Message-ID: <32962.192.168.1.116.1121414060.squirrel@gateway> References: <17110.50872.48309.67185@halvor.tensleep.com> <42D6E7EA.7010000@jnos.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7BIT Return-path: In-Reply-To: <42D6E7EA.7010000@jnos.org> Sender: linux-hams-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="us-ascii" To: linux-hams@vger.kernel.org Hey Bill and the gang; In the bad ol' days. i.e. in the first years after AX.25 made it's appearance, I had a file server on the "duplex (ham 2m es 440) packet network" in LA. We used a variation on the binary to ascii-text conversion to prefilter for transfers. Worked pretty well too. Vy 73; Bob w9ya > >> I am not sure if these programs I wrote are what the >> original requestor wanted or not. > > that was me... > >> Here is what they do: >> They sit on an unattended AX.25 capable file server, and users connect >> to them and download files. If I had the upload half of >> the program finished, they could upload files to the server also. > > It sounds like you are very close with the core functionality of > what I'm looking for. > > My objective here is to transfer a binary file between two systems with > packet radio. > > The file will be highly compressed standard Email and NNTP posts - the > old UUCP way of doing things. I believe the existing tools allow > setting the size of the outgoing file bundle so we'll be able to limit > it to something like 50K which would probably be fine for most of the > exchanges. > > I'd like the transfer to be very fast, aggressive and efficient. To get > the job done as quick as possible and get out of the way. No doubt > that FTP/TCP would be better for larger and more robust transfers but in > this case the overhead of TCP is unacceptable. > > I'm attempting to keep this scheme as standard as possible by minimizing > the value added tools. A single specialized "ax25" file copy program > that works through the AX25 tools would be a good solution. > > While this is basically Linux, I'm considering the issues and > possibilities of running this on the other OS's. (UUPC anyone?) > > There's sure been some interesting info presented here in the past > couple days... > > 73, > Bill - WA7NWP > > - > To unsubscribe from this list: send the line "unsubscribe linux-hams" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html