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Subject: Re: [ws-rx] NEW ISSUE: semantics of "at most once" delivery assurance

if AS makes RMS aware that AtMostOnce is used by AD/RMD, then RMS can assume that no retransmissions will be necessary and, consequently, does not need to take up its resources to make retransmissions available, right?

Christopher B Ferris wrote:
I think you meant AtMostOnce mode. I suppose you could do that, but from 
perspective of the RMS, it is still retransmitting until it receives an 


Christopher Ferris
STSM, Emerging e-business Industry Architecture
email: chrisfer@us.ibm.com
blog: http://webpages.charter.net/chrisfer/blog.html
phone: +1 508 377 9295

Dan Leshchiner <dleshc@tibco.com> wrote on 07/27/2005 06:36:24 PM:

Christopher B Ferris wrote:

However, the protocol as specified would never be able to complete a 
if there are lost messages from the RMD perspective and the RMS is not
retransmitting them.

why so? as RMD, if i see a gap or AckRequested for a sequence number i 
have not received and i am operating in "at least once" mode with my AD, 

why cant i just send an Ack? if i did so, wouldn't that enable us to 
complete the sequence?



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