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Re: [SCTP-Discussion] sctp_send


Chronological Thread 
  • From: Michael Tuexen <Michael.Tuexen AT micmac.franken.de>
  • To: elie AT flashmail.com
  • Cc: sctp-discussion AT sctp.de
  • Subject: Re: [SCTP-Discussion] sctp_send
  • Date: Sun, 15 Jun 2008 12:27:49 +0200
  • List-archive: <http://lists.franken.de/pipermail/sctp-discussion>
  • List-id: SCTP Discussions <sctp-discussion.sctp.de>
Hi Eli,

comments in-line.

Best regards
Michael

On Jun 15, 2008, at 9:42 AM, elie wrote:

Hi,
Working on windows, I'm trying to build some congestion
control using SCTPlib, as I've been advised previously.
I guess it is more flow control, since you do not want
to overload the receiver, right? Not the network.


And I have a basic question - when I'm using sctp_send to
send a packet, how can I make sure the packet will be
actually sent with minimum delays?

I'm encountering problems with it: when i'm sending one
packet, than wait a bit (20 milli) than send another, it
_seems_ some aggregation is taking place which I can't find
the reason to.
What do you see on the wire? The SCTP sender might not put
the packet onto the wire due to
- the Nagle algorithm is enabled
- the congestion window does not allow more to send
- the advertised receiver window does not allow more to send.


thanks-
Eli.


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