Keep in mind that VDP is being discontinued after vSphere 6.5
See: https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/vsphere/vmw-vdp-eoa-faqs....
Existing users can migrate to Dell's Avamar.
So as a general interest follow up question:
What 3rd party backup solutions are people using?
