Deployment Scenarios
Veeam Backup & Replication supports several deployment scenarios, including the core infrastructure components: backup server, proxy, and repository. Veeam Backup & Replication provides flexible scalability and easily adapts to the needs of your environment. Depending on the size of your environment, you can use one of the following scenarios:
Simple Deployment
Also known as the All-in-one deployment, the VBR server, proxy server, and backup repository roles are assigned to a single machine in a simple deployment scenario. These roles are assigned automatically to the machine where you install Veeam Backup & Replication.
All-in-one deployment is more straightforward and requires minimum design effort; you only have to design the underlying server, and the Veeam server is self-contained. Note that only the backup server handles and stores all your data, and for larger environments, the capacity of a single backup server may not be enough. It is recommended to use the advanced deployment scenario to take the load off the backup server and balance it throughout your backup infrastructure.
Advanced Deployment
Also known as a Scale-out deployment, this design can protect big/complex environments as proxies and repositories can be deployed in multiple instances when needed. In the advanced deployment scenario, the roles of the backup server, backup proxy, and backup repository are assigned to different machines.
This gives the following advantages:
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The processing load is moved from the backup server to the backup proxy.
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Increased fault tolerance: you can store data on a backup repository.
The Scale-out model is more powerful. Note that this scenario requires you to assign the proxy and repository roles manually.
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