Re: Help: Kannel users from the Philippines

Josephine Forte wrote:

> Sir,
> 
> They(SMSC Engrs) are saying that we can send out as much as 500sms/sec and our 
> target rate is only 20-30sms/sec. Any ideas how to improve this rate, the 
> queue we had keeps on getting bigger specially when we do broadcasting where 
> sending out rate at worst goes to 2-3sms/sec. I badly need to improve this 
> performance but i don't know where to start. :(  
> 
> I've already used test_cimd2  to test kannel performance, everything works 
> well and traffic rate is around more than a 100/sec. But when I connect to 
> SMSC traffic rate slows down to:
> 
> SMS: inbound 0.07 msg/sec, outbound 1.11 msg/sec
> 
> But looking at access.log, message processing is @ 3-5sms/sec rate. Thanks in 
> advance

ok, unfortunatly I'm not familiar with Nokia's CIMD protocol. But I 
guess that CIMD2 does so called "flow-mode", which means it passes an 
MT and waits to receive a ACK from SMSC. When ACK is received, it 
sends the next MT messages, and so on.

You may drop us a snipp from the bearerbox.log where the CIMD2 
connection trace is shown, just to verify.

So IMO, this either a) up to the SMSC not ACK'ing as fast as they 
claim they could, or b) your IP connection uplink is that narrow 
bandwith'ed that the IP traffic (along the CIMD2 PDUs) is consuming to 
much of it and hence things get slow.

Stipe

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