d230bd96_on__Differences___Similarities__Backup_vs__Replication
[Backup] Backup requires a tape library (usually VTL doing disk-to-disk backup) and some place to store archived tapes. [Replication] Replication requires investment in another, identical, infrastructure, effectively doubling your IT costs. [Backup vs. Replication] 
Requirements
D e f i n i t i o n
R e q u i r e m e n t s
P u r p o s e
U s e s
H o w i t W o r k s
B o t t o m L i n e
Backup vs Replication: Differences & Similarities
Backup vs. Replication