Chapter 8. Architecting for Performance: Network

We have now reached the final IT food group—the network. Although SQL Server is generally not very network intensive, the network is very important as the means of access for all clients and applications, as well as the means of access to storage in a SAN environment. When you are using advanced configurations such as SQL AlwaysOn Failover Cluster Instances and AlwaysOn Availability Groups, the network becomes even more important because it is the means of data replication and cluster failure detection. A fast, reliable, low-latency network will improve the speed of response to your applications and clients. In a virtualized environment, the network is also heavily used to provide greater flexibility ...

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