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Improving Scalability and Availability (SQL Server 2008 R2 and newer)

By Johan van Soest.

Published : 2014-01-30.

Last updated : 2020-10-31.

Many applications can benefit from increased scalability and availability. Maintaining continuously-updated copies of data allows read activity to be scaled across multiple servers. The redundancy resulting from maintaining multiple copies of the same data is also useful during planned and unplanned outages. If one server is unavailable, requests can be routed to a different server with the same data until the original server (or a replacement) is back online.

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