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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-584) Large, highly redundant router networks generate excessive inter-router message traffic
Date Fri, 08 Sep 2017 20:33:00 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159251#comment-16159251
] 

ASF subversion and git services commented on DISPATCH-584:
----------------------------------------------------------

Commit 08b3678655f015aeacb62eb1466649adf788af0a in qpid-dispatch's branch refs/heads/master
from [~tross@redhat.com]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-dispatch.git;h=08b3678 ]

DISPATCH-584 - Implemented flood limiting based on known topology radius.


> Large, highly redundant router networks generate excessive inter-router message traffic
> ---------------------------------------------------------------------------------------
>
>                 Key: DISPATCH-584
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-584
>             Project: Qpid Dispatch
>          Issue Type: Improvement
>          Components: Routing Engine
>    Affects Versions: 0.7.0
>            Reporter: Ted Ross
>            Assignee: Ted Ross
>             Fix For: 1.0.0
>
>
> When the router network is discovering and maintaining the distributed understanding
of the topology, router-advertisement (RA) messages are flooded across the network.  Flooded
messages are multicast without the tree-trimming done using valid-origins.  In very redundant
networks, many distinct paths are followed for these messages, using excessive amounts of
network and CPU bandwidth.



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