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Traditional backup can leave gaps between recovery points, which may result in data loss for organizations running critical databases, applications, and business services. Continuous Data Protection (CDP) addresses this challenge by continuously capturing data changes and enabling recovery to a selected point in time.
Zerto is a well-known CDP and disaster recovery solution that combines continuous block-level replication with journal-based recovery. However, organizations with physical servers, multiple operating systems, databases, and heterogeneous infrastructure may also consider other Zerto alternatives. This guide compares i2CDP vs Zerto and explains where each solution fits best.
Zerto is a data protection and IT resilience platform built around continuous replication and disaster recovery. Its CDP technology uses block-level replication to continuously capture changes and store them in a journal. This journal enables recovery to selected points in time rather than limiting administrators to scheduled backup points.
Zerto also uses application-centric protection to group related workloads and maintain consistent recovery points. Its documentation describes recovery capabilities for files, VMs, applications, and entire sites, as well as ransomware recovery to a point before an attack.
This makes Zerto particularly relevant for organizations that need:
For enterprises with highly virtualized infrastructures and demanding disaster recovery requirements, Zerto can be a strong CDP and resilience platform.
However, the best solution depends on more than RPO and RTO. Replication granularity, workload compatibility, recovery requirements, and infrastructure diversity should also be considered when evaluating a Zerto alternative.
i2CDP is a continuous data protection solution designed to continuously replicate changing data while maintaining detailed recovery information.
Unlike traditional scheduled backup, i2CDP uses real-time byte-level replication and records data changes in log format. This allows organizations to identify a required recovery point and restore data to a precise point in time.
i2CDP is designed for heterogeneous enterprise environments rather than being limited to a single infrastructure type. Its current compatibility information covers Windows and Linux operating systems, databases and applications such as Oracle, MySQL, SQL Server, DB2, and PostgreSQL, as well as virtualization platforms including VMware and Hyper-V.
These capabilities make i2CDP a potential Zerto alternative for organizations that need continuous data protection across a broader mix of workloads.
| Feature | i2CDP | Zerto |
|---|---|---|
| Protection Method | Real-time byte-level replication | Continuous block-level replication |
| Recovery | Point-in-time recovery | Journal-based point-in-time recovery |
| File/Directory Recovery | Supported | Supported |
| Full Workload Recovery | Supported | Supported |
| Physical Server Protection | Supported | Depends on supported workload/platform |
| Virtualization Support | VMware, Hyper-V and other supported platforms | Strong virtualization and cloud support |
| Database Protection | Broad database/application compatibility | Application-centric workload protection |
| RPO | Near-zero / seconds depending on environment | Seconds |
| Ransomware Recovery | Continuous recovery + immutable storage capabilities | Journal-based recovery and ransomware recovery |
| Data-in-Transit Security | AES and SM4 encryption support | Depends on deployment/version |
| Centralized Management | Web-based centralized management | Centralized management and orchestration |
| Best Fit | Heterogeneous physical, virtual, database, and cloud environments | Virtualized and hybrid DR environments requiring continuous replication |
Capabilities and platform support may vary by product version, configuration, and deployment environment. Verify current technical and licensing requirements with the respective vendors before deployment.
There is no universal answer to which CDP solution is better. The right choice depends on your infrastructure, workload types, recovery requirements, and operational priorities.
Zerto may be a strong fit if your organization primarily operates virtualized or cloud workloads and requires mature continuous replication and disaster recovery capabilities.
It may be particularly suitable when you need:
Zerto’s architecture is especially well suited to organizations that have built their disaster recovery strategy around virtual machines and application-level recovery.
i2CDP may be a better fit when data protection requirements extend beyond a predominantly virtualized infrastructure.
It can be particularly attractive when you need:
For organizations running a mixture of physical servers, virtual machines, databases, and cloud workloads, i2CDP provides a unified approach to continuous data protection.
Yes. i2CDP can be considered a Zerto alternative for organizations looking for continuous data protection with a different approach to replication granularity and workload coverage.
The two products overlap in important areas, including continuous replication, low RPOs, point-in-time recovery, and disaster recovery. However, they are not identical products.
The key question is therefore not simply:
Which product has more features?
Instead, consider:
Which CDP architecture better matches my infrastructure and recovery requirements?
If your environment is primarily virtualized and centered on application-level disaster recovery, Zerto may fit your requirements well.
If you need to protect a heterogeneous environment containing physical servers, virtual machines, databases, and file-based workloads while maintaining fine-grained recovery capabilities, i2CDP is worth evaluating as a Zerto alternative.
Is i2CDP a Zerto alternative?
Yes. i2CDP provides continuous data protection, real-time replication, point-in-time recovery, and disaster recovery capabilities, making it an alternative for organizations evaluating Zerto. Its byte-level replication and broad physical, virtual, and database compatibility provide a different approach to enterprise CDP.
What is the difference between i2CDP and Zerto?
The most notable technical difference is replication granularity. Zerto uses continuous block-level replication with journal-based recovery, while i2CDP uses real-time byte-level replication with detailed change tracking. Both support granular recovery, but their approaches and supported environments differ.
What is the difference between byte-level and block-level replication?
Block-level replication tracks changes at the storage-block level, while byte-level replication operates at a finer granularity within the changed data. The practical benefit depends on the workload, but finer-grained replication can help reduce unnecessary data transmission when only small portions of a file or dataset change.
Does Zerto support file-level recovery?
Yes. Zerto’s documentation describes recovery of files, folders, VMs, applications, and entire sites using its journal-based recovery capabilities. Therefore, file-level recovery should not be considered an i2CDP-only capability.
Can i2CDP protect physical servers?
Yes. i2CDP’s compatibility information includes physical Windows and Linux environments in addition to virtual platforms such as VMware and Hyper-V.
Which CDP solution is better for hybrid environments?
The answer depends on the specific infrastructure. Zerto supports hybrid and cloud environments and is particularly strong for virtualized workloads. i2CDP may be attractive for organizations that need one protection approach across physical servers, virtual machines, databases, and cloud environments.
Why use continuous data protection instead of traditional backup?
Traditional backup typically creates recovery points according to a schedule, which can leave gaps between backups. CDP continuously captures changes and can provide much more granular recovery points, helping organizations reduce potential data loss and recover closer to the desired point in time.
Both i2CDP and Zerto provide continuous data protection to reduce data loss and improve recovery. Zerto is well suited to many virtualized and hybrid environments, while i2CDP offers real-time byte-level replication, granular point-in-time recovery, broad platform compatibility, and immutable storage protection.
The right choice depends on your infrastructure and recovery objectives. For organizations seeking a flexible Zerto alternative across physical, virtual, database, and cloud environments, i2CDP is worth evaluating.
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