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Re: [SCTP-Discussion] FEC


Chronological Thread 
  • From: Andreas Jungmaier <ajung AT exp-math.uni-essen.de>
  • To: discussion AT sctp.de
  • Subject: Re: [SCTP-Discussion] FEC
  • Date: Mon Aug 27 12:13:01 2001
  • List-id: SCTP Discussions <discussion.sctp.de>
  • Organization: University of Essen, Germany

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On Saturday, 25. August 2001 20:53, you wrote:
> Hello all.
>
> We are trying to add forward error correction capability to the SCTP.
> We figured we should add some lines to the mdi_send_message function in
> distribution.c .
>
> The fact was that what ever we did inside function mdi_send_message it
> didn't seem to have any effect on the operation of the protocol (including
> debug lines , exit(1) etc.)

Well, ist should have had. That function is indeed called for sending
each and every SCTP packet. When you can see SCTP packets on the
wire (which you can verify with Ethereal), then this function
was executed.

> Shouldn't it be called for sending every packet ?
> otherwise how should a sent packet reach the socket ?

If you could explain a bit more about how the forward error correction
works, I can maybe give you hints as to how to best integrate that
into our code.

Best regards,

Andreas

- --

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Dipl.-Ing. Andreas Jungmaier | _
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