The current implementation uses only one "control channel" per Connection. All 
channels must be configured the same way (same stack configuration file) in order to 
join the group. Control traffic and payload traffic share the channel.

A very sensible idea is to use a different channel or more, with fewer protocols, for 
payload traffic. That's somewhere in the plan and we'll get there sooner or later. I 
guess this is what you mean when you say "multiple topics with different protocol 
stacks". The prototype doesn't support that yet.

Persistent delivery. JMS 1.1 specifies that there can be two different types of 
delivery, persistent and non persistent. For non persistent delivery, the client code 
hands over the message to the provider and send() method exits while the message is 
still in the provider client runtime memory, or in process of being put on the 
network. If the provider dies, the message is lost. For persistent delivery, the 
provider first stores the message to
persistent storage, and then gives gives the confirmation that it received the message 
for delivery, by exiting send(). If it dies, message is not lost, since it was stored, 
and the provider attempts re-delivery once it's back. There are plans to add that, 
yes. We have to, if we
want to be JMS 1.1 compliant.

0.2 means alpha stage.

When the release 1.0 will be available... I really want it to happen soon, but at this 
moment I  cannot give an estimation that I am confident I can stick with. Hopefully 
the code will make its way into JBoss code base and it will be easier for me to 
publicly update the status of the project, the time estimations and release dates.

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