The IAM Business Value Accelerator team has just published a new white paper called "Federated Directory Services for the connected enterprise." This white paper outlines the four most common business scenarios that drive the need for federated directory services and outlines the technical approaches and issues that need to be considered when deploying federated directory services in an enterprise.
If you need help building bridges across the "islands of identity" in your enterprise, you need to read this paper.
Large complex organizations that need to integrate their identity islands can also benefit from IBM's white paper on Security Intelligence and Big Data. Read this paper to learn how to translate a sea of security event information into an actionable plan.