IBM i, formerly known as AS/400 (Application System/400), is an integrated operating system and server platform developed by IBM. It is designed to provide a robust and highly reliable environment for running business-critical applications, including enterprise resource planning (ERP), database management, and various other workloads. IBM i is known for its stability, scalability, and tight integration of hardware and software components. Here are some key features and aspects of IBM i:
- Integrated System: IBM i is a fully integrated system that combines the hardware, operating system, database, and middleware into a single cohesive platform. This tight integration simplifies system management and enhances reliability.
- Reliability and Availability: IBM i is recognized for its high availability and fault-tolerant features. It includes built-in redundancy, hardware and software monitoring, and automated recovery mechanisms to minimize downtime.
- Security: IBM i places a strong emphasis on security, with features like object-level security, role-based access control (RBAC), and encryption to protect data and resources. It is often used in industries with stringent security requirements, such as healthcare and finance.
- Database Management: IBM i includes the IBM Db2 for i database management system, which is optimized for high performance and supports SQL and NoSQL data access. It allows seamless integration of database operations with applications.
- Scalability: IBM i systems can be easily scaled to accommodate growing workloads and increased data processing requirements. This scalability is particularly useful for organizations with dynamic computing needs.
- Legacy Application Support: IBM i has strong support for legacy applications developed on the AS/400 platform, making it a preferred choice for businesses with long-established systems and software.
- Programming Languages: IBM i supports multiple programming languages, including RPG (Report Program Generator), COBOL, C, C++, Java, and PHP. This allows organizations to choose the best language for their applications.
- Web and Mobile Integration: IBM i can be integrated with web and mobile applications, enabling modernization of legacy systems and the development of new web-based interfaces.
- Batch Processing: Batch processing is a key strength of IBM i, making it suitable for applications that require large-scale data processing and reporting.
- System Management: IBM i includes tools like IBM Navigator for i, which provides a web-based interface for system management tasks, performance monitoring, and configuration.
- Backup and Recovery: The platform includes built-in backup and recovery features to protect data integrity and facilitate disaster recovery planning.
- High-Level Abstraction: IBM i abstracts many of the complexities of system management, making it easier for administrators to focus on application and business needs.
- Hardware Variants: IBM offers various hardware models and configurations to meet the performance and capacity requirements of different organizations.
IBM i is commonly used by businesses and organizations that require a reliable and stable platform for running core business applications. It is well-suited for industries such as manufacturing, distribution, finance, and healthcare, where system availability, data security, and scalability are paramount. While IBM i has a long history, it continues to evolve to meet the changing needs of modern businesses.