- From: Tuexen Michael <michael.tuexen AT siemens.com>
 
- To: "'thibault Renier'" <toubix AT kom.auc.dk>,	rsplib-discussion AT sctp.de
 
- Subject: RE: [RSPlib-Discusssion] heartbeat mechanism implementation
 
- Date: Wed Jan 22 17:37:02 2003
 
- List-id: RSPlib Discussions <rsplib-discussion.sctp.de>
 
 
Hi Tibo,
what HB mechnism are you talking about? We use SCTP as the transport
layer protocol. It has Heartbeats. The Heartbeat timer is a 
parameter of the SCTP implementation.
There is no notion of Heartbeat Message in ASAP or ENRP.
Best regards
Michael
Michael Tuexen   Tel.:   +49 89 722 47210
Siemens AG       Fax:    +49 89 722 48212
ICN CP SE C 7    e-mail: 
Michael.Tuexen AT siemens.com
 
-----Original Message-----
From: thibault Renier 
[mailto:toubix AT kom.auc.dk]
Sent: Wednesday, January 22, 2003 5:20 PM
To: 
rsplib-discussion AT sctp.de
Subject: [RSPlib-Discusssion] heartbeat mechanism implementation
Hi,
I am wondering how you implemented the heartbeat mechanism in your RSerPool 
version. Here are some points I have in mind :
- on which principles (push, pull) have you based the implementation of this 
feature, 
- is there a heartbeat mechanism only between the PUs and the PEs, 
- is this implemented only at the SCTP layer, 
- what is the frequency of the messages sent and what is the overhead 
introduced, 
- what do you think about the efficiency of the heartbeat mechanism(s) 
implemented, could an implementation of an heartbeat mechanism at the SIP 
layer (running on top of RSerPool) be a solution to potential problems when 
implemented at the RSerPool (SCTP) layer ?
Thank you.
Regards
Tibo
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