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Re: [SCTP-Discussion] Multihoming


Chronological Thread 
  • From: Michael Tuexen <Michael.Tuexen AT micmac.franken.de>
  • To: Mia <mia.immonen AT gmail.com>
  • Cc: discussion AT sctp.de
  • Subject: Re: [SCTP-Discussion] Multihoming
  • Date: Wed Apr 13 19:22:02 2005
  • List-id: SCTP Discussions <discussion.sctp.de>
Hi Mia,

see my comments in-line.

Best regards
Michael


On Apr 12, 2005, at 12:40 Uhr, Mia wrote:

Hi everybody!

Is there anyone that can help me with this? I am trying out the
multihoming feature with the echo_server and terminal program and dont
know:

1. where to change the max path retransmissions.
The structure SCTP_Instance_Parameters and SCTP_AssociationStatus contains the field.
It can be modified with
int sctp_getAssocStatus(unsigned int associationID, SCTP_AssociationStatus* status);
int sctp_setAssocStatus(unsigned int associationID, SCTP_AssociationStatus* new_status);
and
int sctp_setAssocDefaults(unsigned short SCTP_InstanceName, SCTP_InstanceParameters* params);
int sctp_getAssocDefaults(unsigned short SCTP_InstanceName, SCTP_InstanceParameters* params);
2. how to create an application that sends small messages every 2 ms
for example.
You use a timer which fires every 2ms. Look at echo_tool.c to see how timers are working.
Please note that you need an OS with a clock of granularity of less or equal to 2ms to
run 2ms timers. Some OSes have a granularity of 10ms and need to be recompiled (the kernel)
to get other granularities.


Thank you very much for any help!!

Best regards

Mia
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