QMFv2 - Allow endpoints to be directly addressed via a topic exchange ---------------------------------------------------------------------
Key: QPID-3032 URL: https://issues.apache.org/jira/browse/QPID-3032 Project: Qpid Issue Type: Improvement Components: Qpid Managment Framework Reporter: Ted Ross Assignee: Ted Ross Priority: Minor Fix For: 0.9 QMF uses a number of messaging patterns, including direct to single destination and request-response using the reply-to header for the address of the response message. This enhancement allows direct addressing to be done using the topic exchange rather than the direct exchange. This has a number of advantages: 1) It allows a QMF domain to be configured using only one topic exchange, which is simpler than pairing a direct and a topic exchange. 2) It allows security policy to be applied (details below) because the topic-wildcard feature can be used in broker ACLs. 3) It allows for scaling into large networks of brokers where inter-broker links are summarized and direct topic routing keys are defined hierarchically based on topology. Details on security policy: With this enhancement, it is possible to write a very concise policy (using broker ACLs) that restricts user roles to be "QMF Agent Only", or "QMF Console Only", or any combination of these. Furthermore, since a QMF domain is tied to an exchange, these policies can be independently applied to different domains. Code changes needed: 1) QMFv2 implementation uses the topic exchange as the basis for direct addresses (agent direct, and console reply-to) 2) The legacy C++ agent (qpid::agent) must be able to send a message to any arbitrary reply-to. 3) The broker-agent must be able to send a message to any arbitrary reply-to. Note that the broker and C++ agents currently only use the "routing-key" portion of the reply-to. They hard-code the "exchange" portion as amq.direct. This is arguably a bug in its own right. -- This message is automatically generated by JIRA. - For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- Apache Qpid - AMQP Messaging Implementation Project: http://qpid.apache.org Use/Interact: mailto:dev-subscr...@qpid.apache.org