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VK5ASF > WINPAC 01.07.09 09:21l 30 Lines 1121 Bytes #999 (0) @ WW
BID : 51704_VK5ASF
Read: GUEST
Subj: Re: Limit to length of bulls
Path: IZ3LSV<IK2XDE<F8KFY<F1ZNR<ON0BEL<CX2SA<VK2DOT<VK5ZAR<VK5SPG<VK5ASF<
VK5ASF
Sent: 090701/0533Z @:VK5ASF.#ADL.#SA.AUS.OC LNXFORWARD $:51704_VK5ASF
>Bob VK6BE asked....
>}
>} I can't find anything in the help notes regarding a limit to the length of
>} a bulletin that can be received. I have had three come down incomplete,
>} the shortest of which was about 22kB and the longest 39 kB. Does anyone
>} hav definite knowledge as to whether there is a limit?
>
The FBB forwarding protocol (used by FBB and also by many other programs)
is specified at http://www.f6fbb.org/ in the technical information area.
The length of a message is included as part of the proposal, used to
initiate the transfer. Although there is no size limit defined for this
field, the "offset" field of the protocol IS defined as having only up
to six digits. So a transfer of longer than 999999 bytes could not be
restarted after that point, making this the effective maximum of the protocol.
All programs using the protocol should conform to it, so should allow the
same maximum. Note the word "should"!
In reality of course, practical maximum sizes will be far less, due to
slow RF links etc!
I hope this is of interest
73
Steve
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