Moin,

am / On 30 Apr 1999 10:26:04 +0200, schriebst Du / you wrote:

>No its not wrong at all. If the protocol were restricted per AX.25 connection
>then they would have put the PID into the SABM instead. 

Good argument.

>BUT there lies a problem by saying that we only
>compress on "pure" AX.25, we therefore limit ourselves to not gaining anything on
>NET/ROM or other protocols if the *end* stations don't agree to compress, even
>though the two participating AX.25 stations can compress, we lose.

higher protocols (end2end) suffer IMHO from the high round-trip-times
more than from to much payload-data, which could be compressed. 

>I still firmly believe that compression should be on a per application basis,
>and should not be built into a transport protocol.

Maybe there is a possibility at level 1 (beyond hdlc) ?


Gruss,
  Walter
-- 
Walter Koch                         Hochdahl am Neandertal
[EMAIL PROTECTED]                 ham:dg9ep@db0iz
http://home.pages.de/~dg9ep/        qrv:db0iz-9

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