



By Jon Brodkin | Jul 3, 2009
Cloud-based disaster recovery has become a viable option for safeguarding e-mail, but IT shops need to ask tough questions about data security and resiliency before committing to a vendor. IT shops should stick with service providers that have multiple Tier 4 data centers, and can promise replication between sites for redundancy, Forrester analysts Stephanie Balaouras and Christopher Voce write in a June report titled "Protecting Email with the Cloud."
According to Forrester, when evaluating services, note that "there are two distinct capabilities: continuity of service and data protection. For continuity of service, the offering can range from a Webmail interface for sending and receiving mail during an outage to adding recent or all messages. For data protection, a cloud provider could either augment or replace multi-site on-premise backup infrastructure."
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