[jira] [Comment Edited] (DISPATCH-2262) Edge/Interior connections can half-fail in real multi-cloud environments

["Robbie Gemmell (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DISPATCH-2262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17436910#comment-17436910 ] 

Robbie Gemmell edited comment on DISPATCH-2262 at 11/3/21, 4:05 PM:
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Reopening to note comments on PR (https://github.com/apache/qpid-dispatch/pull/1396)


was (Author: gemmellr):
Reopening to note comments on PR.

> Edge/Interior connections can half-fail in real multi-cloud environments
> ------------------------------------------------------------------------
>
>                 Key: DISPATCH-2262
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-2262
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Container
>    Affects Versions: 1.17.0
>            Reporter: Ted Ross
>            Assignee: Ted Ross
>            Priority: Major
>             Fix For: 1.18.0
>
>
> See PROTON-2440 for context.
> The configured keepalive on edge-to-interior connections can fail to provide protection from connection loss.  This results in half-failed connections where the edge sees connection failure and re-connects and the interior sees nothing and accumulates multiple connections from the same edge.
> This is a serious problem because the interior will attempt to forward deliveries across these dead-but-seemingly-alive connections resulting in lack of message delivery.
> The solution proposed in this issue is to work around the problem by introducing an application-level keepalive for edge-to-interior connections.



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