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Date: Sat, 21 Nov 2015 19:36:10 +0000 (UTC)
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Subject: [jira] [Commented] (CLOUDSTACK-8751) Minimise VR downtime during
 network update
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    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15020643#comment-15020643 ] 

ASF GitHub Bot commented on CLOUDSTACK-8751:
--------------------------------------------

Github user remibergsma commented on the pull request:

    https://github.com/apache/cloudstack/pull/866#issuecomment-158676663
  
    Pinging @wilderrodrigues to have a look.
    
    @bvbharatk Is there any (integration) test to test this feature?


> Minimise VR downtime during network update
> ------------------------------------------
>
>                 Key: CLOUDSTACK-8751
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8751
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Bharat Kumar
>            Assignee: Bharat Kumar
>
> Currently we use redundant virtual router enabled networks to prevent network outage even if one of the virtual router fails. This is achieved by using redundant virtual routers along with VRRP protocol. This has increased the network robustness. However  updating a network with new network offering involves some downtime due to Vr restarts. In case of redundant VR based networks we can sequence the network update operations to update the backup first and then update the master while master's operations are being handled by backup, this way i think we can minimise the downtime.
> Link to FS https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=61310469


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