- Data Domain
- Doubletake (NSI)
- Falconstor CDP
- Replistor (Legato)
- LiveState (Symantec)
- TimeData (TimeSpring)
The above are not necessarily listed as the only recommended products and there are other equally viable alternatives.
To narrow down your options, you need to consider the following criteria:
- Distance between data source and destination (this will determine whether you can do synchronous or asynchronous replication. This will influence performance to various degrees.
- Features and functionality (i.e. how many point-in-time copies, block- or file-level replication, restore granularity, etc.).
- Ease of management –- How user-friendly is the interface and what kind of training will be required (if any)?
- Cost (capacity-based versus host-based licensing should be compared).
- Scalability –- This will depend on your anticipated future growth.
The first step in selecting the right product for your organization is to clearly establish your business requirements (number of copies, retention, recovery time objectives, etc). You can then do a little research on the Web using keywords such as "data replication" or "CDP" to gather a listing of products available. Once you have narrowed down your choice of products, many vendors offer trial software of can set up demos for you.
This was first published in January 2006