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hi Torbjorn,

The sctpd is no longer under active development. (At least not by the
original author)

One thing to note when using it is that there is no flow control between the
User Application (UA) and the sctpd. This means that the sctpd does not keep
a buffer of the data sent to it from the UA. It passes whatever data it
receives to a call to sctp_send(). Another thing to note is that there is a
limit to the data you should send to the sctpd per sctpd_send call, which is
1400 bytes. This is due to the lack of buffering on the part of the sctpd
library routines (i.e the sctpd_sent() call).

The above may be the cause of the loss of data.

Hope this helps.

regards.
woon chiat.


-----Original Message-----
From: Torbjorn Andersson
[mailto:tora AT tora-pc.cs.kau.se]
Sent: Donnerstag, 4. April 2002 08:42
To:
discussion AT sctp.de
Subject: [SCTP-Discussion] Send buffers of SCTPd


Hi. I'm working on an experiment where we will use SCTP for delivering HTTP
data. Therefore I'm making a simple HTTP server which utilize the streams of

SCTP.

I decieded to use the SCTPd library to simplify development due to the
restiction of that only one process might run the SCTP library, Am I right
or
not ?

I'm using the pre17.

To the problem:

When I send data with sctpd_send() I sometimes loose data, sometimes over
the
local loop and very often over a slower link.
Does sctpd_send() always accept even if the sctp buffers are full ?
Do I have to check if there are room in the buffers ? If so were do I find
this data ? sctp_assoc_status ?

/Torbjörn
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• [SCTP-Discussion] Send buffers of SCTPd, Torbjorn Andersson, 04/04/2002
  • <Possible follow-up(s)>
  • RE: [SCTP-Discussion] Send buffers of SCTPd, Sim Woon Chiat ICM CA MS MI E7 Extern, 04/04/2002
    • Re: [SCTP-Discussion] Send buffers of SCTPd, Torbjorn Andersson, 04/04/2002
      • Re: [SCTP-Discussion] Send buffers of SCTPd, Andreas Jungmaier, 04/04/2002
  • RE: [SCTP-Discussion] Send buffers of SCTPd, Sim Woon Chiat ICM CA MS MI E7 Extern, 04/04/2002

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