#vSphere #Replication Calculator

Storage and network bandwidth requirements can increase when using . Besides the network transfers of replicated data from the primary site to the vSphere server, and the transfers from the vSphere server to the ESXi host, the host writes the data to storage once and then, due to the use of redo log snapshots, reads the data back and rewrites it to storage.
The amount of network bandwidth that vSphere Replication requires to replicate virtual machines efficiently depends on several factors in your environment. 
  • Network-based storage
  • Size of dataset
  • Data change rate
  • Recovery point objective (RPO)
  • Link speed
To further help you to estimate the amount of bandwidth that vSphere Replication requires, VMware provides the online vSphere Replication Calculator.

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