Zerto IT Resilience Platform (IRP) Standard supports site-to-site (1:1) replication with the same hypervisor on both sides (VMware to VMware; Hyper-V to Hyper-V), including bi-directional replication. Zerto IT Resilience Platform (IRP) Standard supports replication of a VM to a single target, either local (same datacenter) or remote (other datacenter).

1:N, N:1 and N:N topologies require Zerto IT Resilience Platform (IRP) Enterprise edition.

1:N, also known as fan-out, is defined as the same protected VM that can be replicated to multiple recovery sites.

N:1, also known as fan-in, is defined as protected VMs in multiple sites being replicated to a single recovery site.