What are enterprise application servers?

Enterprise application servers on z Systems host applications written in a wealth of different languages, providing a secure, scalable and cost-efficient environment. Trusted by Fortune 500 companies worldwide, these enterprise application servers process billions of transactions per day.

Reliable, available, and scalable infrastructure

These servers form the backbone of enterprises with proven qualities of service

Exceptional transactional throughput

Built with transactions at their heart, these servers take Black Fridays in stride

Compete in the API economy

Easily extensible through RESTful APIs to modern interfaces

Mixed language interoperability

Develop in your preferred language, from COBOL to Java

What we offer


Meet the world’s leading application servers for z Systems, supporting both traditional and modern languages


Explore the dedicated Java Enterprise Edition application server on multiple platforms including z Systems and Bluemix


Learn about the fast and secure hierarchical database manager for OLTP


Discover the operating system designed to manage extreme transaction volumes

Featured product

CICS Transaction Server for z/OS

Learn about the most widely used application server on z/OS, with support for multiple languages and exceptional transactional throughput

Walmart runs an average of 500 million transactions per day on CICS… and up to a 10:1 cost ratio over comparable solutions

"Our 90-day development cycles require enormous flexibility at the architectural level… The maturity of IMS (on IBM z Systems) makes it the ideal platform for achieving this speed to market."

Jay Prag, CIO Hogan Channels at FNB

Call us at 1-866-261-3023 | Priority code: IBM Z

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