David Ingham created PROTON-160:
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             Summary: Allow open.hostname to be configured independently of 
network hostname
                 Key: PROTON-160
                 URL: https://issues.apache.org/jira/browse/PROTON-160
             Project: Qpid Proton
          Issue Type: Improvement
          Components: proton-c
    Affects Versions: 0.1, 0.2
            Reporter: David Ingham


In a scaled-out, multi-tenant broker environment, the host on which the 
container is running is often different from the host to which a client is 
establishing the tcp connection. The 'hostname' field in the connection open 
performative was added to support this scenario. Currently there's no way to 
control this from the Messenger API.

Options include:

(1) (preferred) add a new 'networkhost' field to Message to allow the network 
address to be specified. If provided, this information would be used when 
establishing the network connection and the data in the 'address' field would 
be used in the connection open hostname field. This is somewhat in line with 
the way that connection redirect (amqp:connection:redirect) is specified.

(2) extend the syntax of address with query string to supply hostname, e.g., 
username:password@tcpaddress:tcpport/entityname?hostname=foo where 'foo' would 
become the hostname used in the connection open frame. This is the approach 
used by the current Qpid AMQP 1.0 JMS client.


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