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Posted to dev@qpid.apache.org by "Ted Ross (JIRA)" <ji...@apache.org> on 2017/04/13 21:10:42 UTC
[jira] [Resolved] (DISPATCH-744) Reject unsettled deliveries to
multicast addresses by default
[ https://issues.apache.org/jira/browse/DISPATCH-744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Ross resolved DISPATCH-744.
-------------------------------
Resolution: Fixed
> Reject unsettled deliveries to multicast addresses by default
> -------------------------------------------------------------
>
> Key: DISPATCH-744
> URL: https://issues.apache.org/jira/browse/DISPATCH-744
> Project: Qpid Dispatch
> Issue Type: Improvement
> Components: Router Node
> Reporter: Ted Ross
> Assignee: Ted Ross
> Fix For: 1.0.0
>
>
> This change is intended to address a behavior of the router that might be considered misleading.
> When messages are delivered to an address that has a multicast distribution, delivery disposition and settlement cannot be tracked because there may be multiple consumers. Because of this, if a delivery is unsettled, the first router will settle the message unilaterally and forward it on in a pre-settled state. The result is that the sender may receive a settled-and-accepted disposition for a message that was eventually dropped without being delivered to a consumer.
> The solution is to reject deliveries to multicast addresses that are not already pre-settled by the sender. The rejection shall carry the text: "Deliveries to a multicast address must be pre-settled".
> This behavior shall be the new default behavior. A configuration flag shall be provided to restore the original behavior.
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