On Feb 23, 2013, at 2:01 PM, Yannick Legros <yannick.legro...@gmail.com> wrote:

> solution 1) of Sijie "1) have a subscription option to indicate subscribe 
> starting from the latest sequence id or the oldest sequence id."
> also seem's to be a good solution for my case.


With this solution, depending on how fast the subscriber reacts, the message 
could be garbage collected by the time the subscriber comes in and says "oldest 
sequence id", no? In my understanding, the property you're looking for can only 
be guaranteed in a best-effort fashion, the system can't guarantee it will be 
there.

-Flavio

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