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From Gordon Sim <g...@redhat.com>
Subject Re: QDR: transacted connections with multiple brokers
Date Mon, 16 Apr 2018 12:52:28 GMT
On 16/04/18 12:30, mlange wrote:
> Hi all,
> 
> QDR has some limited support for transactions, seeing a special endpoint
> $coordinator.
> When one has QDR with only one broker behind it you can do a
> 
> linkRoute {
>    prefix: $coordinator
>    dir: in
>    conn: broker1
> }
> 
> and the same, but then dir: out
> 
> However, this will work for one broker. But given the situation when one has
> multiple brokers defined in one QDR, how can this be solved? Is there
> something after $coordinator that can be used as prefix instead? Can QDR
> tell which broker should get which transaction messages based on the
> endpoint and to which broker those messages get linkRouted?

No. The problem is that a transaction could involve messages to/from 
different brokers, i.e. the transaction would become a distributed 
transaction. At present there is no support for that in the router.

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