Multi-Version Cluster (MVC)

The Multi-Version Cluster The Multi-Version Cluster mechanism lets you synchronize connections between cluster members that run different versions. This lets you upgrade to a newer version without a loss in connectivity and lets you test the new version on some of the cluster members before you decide to upgrade the rest of the cluster members. Acronym: MVC. (MVC) mechanism synchronizes connections between Cluster Two or more Security Gateways that work together in a redundant configuration - High Availability, or Load Sharing. Members that run different versions.

You can upgrade to a newer version without a loss in connectivity (Zero Downtime Upgrade) and test the new version on some of the Cluster Members before you decide to upgrade the rest of the Cluster Members.

For more information, see R81.20 Installation and Upgrade Guide - Chapter Upgrade of Security Gateways and Clusters - Section Upgrading ClusterXL, VSX Cluster, or VRRP Cluster - Section Multi-Version Cluster (MVC) Upgrade.