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From "Shurtleff, Troy \(US SSA\)" <>
Subject RE: Response times from services using Sandesha
Date Thu, 05 Jan 2006 21:15:40 GMT
I am also experiencing significant performance degradation when using
Sandesha for RM.  My web service needs to be able to handle relatively
high-rate invocations.  I can tolerate some latency but I need to keep
the throughput up.

How can I specify the parameters for the timing constraints
(BaseRetransmissionInterval, AcknowledgementInterval, etc)?  Are there
any guidelines for setting these?

What are some other things I can do to increase the performance?


-----Original Message-----
From: [] 
Sent: Tuesday, November 15, 2005 9:18 PM
To:; James D.;
Subject: Re: Response times from services using Sandesha

Hi James,

As per the RM specification, for a single request/response web service
invocation, there will be at least 6 messages need to be passed between
the two parties to the communication. The protocol is design to handle
many messages in a sequence, so the percentage of additional messages
become less significant.

In addition, there are timing constraints such as retransmission
and acknowledgement interval etc. So RM is bit time consuming quality of


----- Original Message -----
From: Hughes, James D.
Sent: Tuesday, November 15, 2005 3:22 PM
Subject: Response times from services using Sandesha

To get familiar with Sandesha I've created a simple service that returns
count of the number of times it has been called. When I do call.invoke
takes several (five or so) seconds for the result to come back using
Sandesha. If I use just Axis it comes back immediately. Any ideas as to
the cause of such a long delay?


James Hughes

The MITRE Corporation

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