Allocate a connection per federation bridge (route)
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                 Key: QPID-3690
                 URL: https://issues.apache.org/jira/browse/QPID-3690
             Project: Qpid
          Issue Type: Improvement
          Components: C++ Broker
    Affects Versions: 0.14
            Reporter: Ken Giusti
            Assignee: Ken Giusti
            Priority: Minor
             Fix For: 0.15


All routes configured between two federated brokers share the same underlying 
connection.  Since a connection can be serviced by only one thread, all traffic 
flowing over those routes will be serviced by just one thread.

If a connection can be allocated for each route instead, then the traffic for 
each route could be handled by its own thread, allowing better scaling of 
federation links in a multiprocessor environment.

Example:  adding two routes to forward from queue1 and queue2 to exchange1 on a 
peer:

qpid-route queue add broker1.fizzbin.com broker2.fizzbin.com exchange1 queue1
qpid-route queue add broker1.fizzbin.com broker2.fizzbin.com exchange1 queue2

with today's implementation, a single thread would be used to forward the 
traffic from both queue1 and queue2.  If a connection is allocated to each 
route, then each queue's traffic could be serviced by its own thread.


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