Article

A case for remote data replication

Ariel Rosenstein
Businesses recognize that remote data replication, remote backup, site failover and disaster recovery are essential tools for protecting their electronic data. There are many data disaster recover tools on the market. Each data recovery solution is trying to solve key issues like central management, flexible volume selection and efficient use of available bandwidth. When choosing a disaster recovery solution, make sure that includes remote data replication. Remote data replication shortens disaster recovery time, and can help maximize data storage. This is why I recommend choosing a network based data recovery solution. This article will explain more about data recovery solutions and why remote data replication is so important.

While there are various data recovery solutions on the market, all of these solutions can be divided into three basic categories according to where the solution resides:

  • Host-based

  • Storage-based

  • Network-based

    Host-based solutions and storage-based solutions

    Host-based solutions are OS dependent and require an agent installed on each host -- an agent that generally has limited OS support. This limits their scalability and increases management overhead as IT must configure and manage its DR solutions per OS and not centrally at the network layer.

    Storage-based data solutions are vendor-specific leading to vendor lock-in or increased management overhead as IT tries to manage more than one storage vendor. Vendor

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