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Proponents include XOsoft, which pares its Data Rewinder with its WANSync software, and Kashya, which combines wide-area replication capabilities with "small aperture snapshots," taken at very frequent intervals.
PowerDsine, an Israeli engineering firm, for one, uses XOsoft's WANSync and Data Rewinder software packages to replicate Exchange and Oracle servers from Israel to Long Island. The company also evaluated replication software from Veritas and NSI, but Data Rewinder tipped the scales in XOsofts' favor. "In a normal system, corrupted files, they're replicated as well," explains Asaf Silberstein, PowerDsine vice president of operations.
Kashya followed in XOsoft's footsteps last month when the KBX4000. Based on an appliance, it compares favorably to host-based solutions like Veritas' Volume Replicator, says Amar Rao, Kashya senior vice president of marketing, as those "need to be installed on each host you want replicated."
This was first published in October 2003