Bharat Kumar created CLOUDSTACK-8751:
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Summary: 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.
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