IBM.com: Non-stop authentication with Linux clusters

[ Thanks to Shell for this link. ]

"As an organization adds applications and services, centralizing authentication and password services can increase security and decrease administrative and developer headaches. However, consolidating any service onto a single server creates reliability concerns. High-availability is especially critical for enterprise authentication services, because in many cases the entire enterprise will come to a stop when authentication stops working. This paper describes how we create a reliable, highly available authentication server using open source software."

Complete article

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