Avamar is backup software from EMC that uses global, source-based data deduplication to reduce the size of backup data. It delivers fast daily full backups using existing infrastructure by reducing network bandwidth usage for backup by up to 500 times and reducing total backup storage needs by up to 50 times compared to traditional backup methods. Avamar supports various operating systems, applications, and virtual environments. It provides flexible deployment options including an integrated hardware/software appliance and a virtual edition for VMware.