Exchange 2010: High Availability with DAGs

Because email is a mission-critical application, Microsoft has invested a lot of engineering talent as well as money over the years to provide Microsoft Exchange Server with the ability to resist different types of failure and deliver a highly available service. Exchange Server 2007 was a watershed for high availability in many ways because of the introduction of log replication technology in local continuous replication (LCR), cluster continuous replication (CCR), and standby continuous replica...