by Riyaj Shamsudeen, Kai Yu
Reliable and scalable network architecture is a critical element in Real Application Cluster (RAC) infrastructure design. The availability of applications in a RAC database depends heavily on the reliability of the network infrastructure. Many design aspects of a RAC cluster’s underlying network should be considered before implementing a cluster in a production environment, since making changes to the RAC cluster after production go-live is never easy. As nodes in a cluster are monitored by exchanging short messages between the Clusterware daemons, any network disconnect can lead to messaging ...