[nos-bbs] B2F (compression) success !!!

[Steve]

Sounds like your close...

OK...silly question.

JNOS will be able to forward the B2F compressed Airmail to the WL2K 
CMS servers? Right?
What about being a local email server? This is what the WL2K system is lacking.

Steve N0FPF


At 10:43 AM 3/24/2008, you wrote:

>Greetings all,
>
>It turns out that B2F is essentially IDENTICAL to F6FBB compressed
>forwarding. The ONLY difference in the compressed data stream is that
>the B2F puts an extra 2 byte CRC in front of the regular F6FBB part.
>
>In other words, it has nothing to do with the LZW compression, or
>the number of bits. I was mistakenly reading the CRC as the actual
>filesize (number of bytes that follow), when in fact the filesize
>was the 2 bytes after the CRC. That explains the huge file sizes.
>
>Minor code change solves that part. The only thing left to do now is
>deal with the fact that with B2F all the message header information
>is contained in the compressed data block, not in the proposal line
>as happens in the FA style forwarding. Not a big deal (so far).
>
>This is what a very simple B2F payload from an Airmail client looks
>like after it's been Decoded (uncompressed) using JNOS lzw code that
>has been modified to deal with the additional 2 byte CRC in front :
>
>   MID: 1053_VE4PKT
>   Date: 2008/03/23 19:57
>   Type: Private
>   From: VE4PKT
>   To: ve4klm
>   Subject: test
>   Mbo: VE4PKT
>   Body: 7
>
>   testing
>
>That's the latest for now.
>
>Maiko
>
>
>_______________________________________________
>nos-bbs mailing list
>nos-bbs at lists.tapr.org
>https://lists.tapr.org/cgi-bin/mailman/listinfo/nos-bbs