Ted Ross created DISPATCH-1156:
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             Summary: Delivery echo-prevention for edge routers
                 Key: DISPATCH-1156
                 URL: https://issues.apache.org/jira/browse/DISPATCH-1156
             Project: Qpid Dispatch
          Issue Type: New Feature
          Components: Router Node
            Reporter: Ted Ross
            Assignee: Ted Ross
             Fix For: 1.5.0


Interior routers employ an anti-looping mechanism that prevents deliveries from 
passing through the same router twice on its way from origin to destination.  
This mechanism does not prevent echo-back on interior-to-edge connections.  A 
new solution is needed for this.

On an edge router, a delivery that enters via the uplinked interior router must 
not be re-forwarded back to the interior.

On an interior router, a delivery that arrives from an edge router must not be 
re-forwarded back to that same edge router.



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