Continuous Data Replicator 
Overview
CommVault® Continuous Data Replicator (CDR) is a host-based, replication technology that delivers near continuous data protection (Near-CDP).
CDR is an ideal solution designed to help centralize the management of remote office data and provide cost-effective disaster recovery. Continuous capture and replication of file changes at the byte level and scheduled throttling helps maximize network efficiency. One of the many unique features that differentiate CDR from other replication products is the use of application-consistent snapshot technology. This ensures the integrity and recoverability of replicated data and provides an additional layer of protection against viruses or corruption.
CDR can be used as a standalone solution to consolidate remote office data and provide protection from site failures. Best of all, it can be easily added to your existing CommVault environment to simplify management and extend data protection through a single policy-based user interface.
Key Benefits of CDR include:
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Unified architecture maximizes data protection and availability
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Reduces management costs by centralizing remote office data
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Provides cost-effective disaster recovery solution for Microsoft Exchange and SQL Server environments
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Delivers fast, reliable recovery of remote office data
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Expedites recovery process by tracking and capturing data changes in near real time