reposting it from Downloads section
Understanding the concept of VADP backup in Netbackup and brief description about the different configuration scenarios.
hope this helps ...
vCenter is not usually in the backup data path. The backup data path is directly from the ESX host to the VM backup server/NBU media server. The traffic is via the admin vmkernel port (formerly known as the service console), the speed of this port is a critical factor in determining ndb backup throughput, I has seen this set at speed designed for administration which is not very useful for backups.
The scenarios assume that all the VMware storage is all block-based (disk array LUNs) but file-based (NAS) storage is also used for VMware datastores this will limit your technology choices.
