CAE - Common Application Environment
Enhanced Definition
A Common Application Environment (CAE) in the z/OS context refers to a standardized and integrated set of software components, tools, and architectural practices designed to provide a consistent runtime and development platform for business applications. Its primary purpose is to ensure uniformity in application execution, data access, and resource management across various mainframe subsystems, promoting reusability, simplifying maintenance, and enhancing interoperability.
Key Characteristics
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- Standardized Interfaces: Applications within a CAE interact with system services (e.g., database, transaction manager, security) through well-defined, consistent APIs, abstracting away some of the complexities of the underlying specific products.
- Shared Resources: Leverages common libraries, data stores (e.g.,
DB2,IMS DB), and middleware (e.g.,CICS,IMS TM,MQ) that are accessible and managed uniformly across multiple applications. - Consistent Security Model: Integrates seamlessly with z/OS security managers like
RACForACF2to enforce uniform access controls and auditing across all applications and data within the environment. - Unified Development Practices: Promotes the use of common programming languages (e.g.,
COBOL,PL/I,Javaon z/OS), standardized coding guidelines, development tools, and consistent deployment procedures. - Centralized Management: Facilitates easier monitoring, performance tuning, problem determination, and administration of applications and their underlying infrastructure components.
Use Cases
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