·      SSB - SnapShot Backup for VMWare ESX & vSphere 4 - 3rd Generation Backup for VMWare

Full integration and automation of SAN Arrays and VMWare platform. Backups and restores are done using SAN snapshot and replicas instead of vStorage and VCB software snapshots.
SnapShot Backup version 3.0 retained all 2nd generation's backup functionality.

Requirements:
- SAN Arrays with snapshot capability

Pros:
- No data copy, data stays on SAN snapshot or replicas
- Near instant backup
- Near instant restore
- No data duplication, no need to store a backup copy of your data separately
- 100% reliable, no vStorage/VCB snapshot failures
- Saves VM RAM and restores VMs back to the "ON" state
- No need for backup media/proxy servers
- No need for VMWare backup license for production servers (only 1 license for Restore server)
- Supports: vSphere 4, ESX 3.x, ESXi 3.x, ESXi "FREE" servers

·      vDCR - Backup & Restore for VMWare ESX & vSphere 4 - 2nd Generation Backup for VMWare

Fully automated vStorage/VCB Snapshots based solution for Disk-to-Disk data backup.

Requirements:
- VMWare Backup License for all servers
- Backup media/proxy server for data copy

Pros:
- Agentless vStorage and VCB backup
- SAN is not required
- Low cost