The SAS Middle Tier: Providing Integration Services for the SAS Intelligence Platform
As part of its mission to provide an integrated set of software applications, solutions, and services, SAS added a new level of integration capabilities with its release of 9.2. The SAS middle tier, which includes the SAS Web Infrastructure Platform and SAS Shared Services, contains a collection of middle-tier services and applications that provide infrastructure and integration features. Services include common authentication, auditing, mail, events and alerts, configuration, collaboration, and monitoring of SAS servers. The SAS middle tier makes use of standard technologies such as Java EE (JMS, JDBC), SOAP-based Web services, and IP multicasting.