The following topics explore various product deployment scenarios and other topics useful for system administrators.User ManagementDeploying and Clustering the API ManagerWorking with DatabasesSaving Access Tokens in Separate TablesConfiguring API Gateway CachingSingle Sign-on with SAML 2.0Maintaining Primary and Secondary LoginsInternationalization and LocalizationAdding New Throttling TiersMaintaining Separate Production and Sandbox GatewaysFixing Security VulnerabilitiesChanging the Default TransportRunning the Product on a Preferred ProfilePerformance Tuning RecommendationsConfiguring api-manager.xmlGenerating JSON Web Token (JWT)Changing the Default Ports with Offset