[jira] [Created] (DISPATCH-34) Multi-Leg Addressing for Broker Integration

["Ted Ross (JIRA)" <ji...@apache.org>]

Ted Ross created DISPATCH-34:
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             Summary: Multi-Leg Addressing for Broker Integration
                 Key: DISPATCH-34
                 URL: https://issues.apache.org/jira/browse/DISPATCH-34
             Project: Qpid Dispatch
          Issue Type: New Feature
          Components: Router Node
    Affects Versions: 0.2
            Reporter: Ted Ross
            Assignee: Ted Ross


Goal:  Place a network of Routers between a client and a broker such that the transfer of messages between the client and broker occurs normally and no code changes are needed in the client or broker.

This feature enhances Dispatch Router such that the transfer of a message with an address is divided into multiple "legs" with "waypoints" in between.  For example, a message may be produced, routed to a broker queue (the waypoint), then later dequeued from the queue and routed to a consumer.  In this example, the address is always the same (i.e. the name of the queue), but the routing is divided into two distinct paths, each with its own distinct semantics.

This feature generalizes the notion of leg (called phase) and waypoint so multi-phase paths can be configured.  There is not reason that a waypoint need be limited to a broker or queue.  It is simply a pass-through endpoint that takes ownership of a message for the time it holds the message.



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