On Thursday 19 March 2009 15:21:12 Fabio Forno wrote:
> I see one issue for perfect stream reliability: stanza suplication. An
> example:
>
> [C]<message/>
> [C]<r u="1"/>
>
> [S]<a h="1/>
>
> [C]<message/>
> [C]<r u="2"/>
>
> ---- server sends back <a h="2"/> but the connection dies ---
>
> ---- client resumes the stream and the last ack is 1 ---

Nope: server indicates last sequence number handled in the <resume> exchange.  
The client then sees the last ack is 2, and doesn't resend the message.

-Justin

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