Zerto provides data protection software for virtualized infrastructure and cloud environments. Its main product, Zerto Virtual Replication (ZVR), was released in August 2011. ZVR is the foundation of Zerto’s IT Resilience Platform, which was announced in May 2018. Zerto’s IT Resilience Platform provides continuous data protection (CDP), including backup, disaster recovery (DR) and long-term retention (LTR) by capturing I/O traces through a filter driver and writing them to a remote log. One of its key differentiators compared to earlier CDP providers is its ability to provide data and workload migration across on-premises and cloud environments. Zerto is headquartered in Boston, Massachusetts. As of May 2019, it has 750 employees, 7,000 customers and 1,000 partners.
Zerto’s platform is both agentless and native to virtual machine (VM) environments. It currently works in Microsoft Hyper-V and VMware ESXi environments. Its data replication functionality is “hypervisor-based,” occurring at the hypervisor as opposed to at the storage layer of the IT infrastructure stack. The product is agnostic to hypervisors, storage infrastructures and storage protocols, allowing data to be replicated to and from virtual machines (VMs) operating on different platforms.
Zerto can recover applications, files, VMs and entire datacenters via journal-based recovery functionality that uses agentless I/O captures from the hypervisor in a VM environment, or through I/O capture facilities when deployed on a public cloud (Amazon Web Services, AWS, and Microsoft Azure are currently supported). The approach is intended to be a faster, more granular and less expensive alternative to traditional snapshot-based recovery.
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