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Point-in-time asynchronous replication is a common disaster recovery solution for data centers that have remote secondary sites located at varying distances from each other. EMC Celerra Replicator provides the ability for file systems to replicate to remote file systems and ensure business continuance. However, replicating over large distances can slow data transfer due to network limitations such as latency and bandwidth congestion at one or more points across the connection. This is particularly crucial during the initial synchronization between the primary and secondary file systems, where large amounts of data are transferred over the network connection. Silver Peak provides a variety of Wide Area Network (WAN) optimization techniques to address these common network issues.
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