Linfeng Yu

More and more companies are starting to adopt Service Oriented Architecture (SOA) - a framework for integrating business processes and supporting IT infrastructure as secure standardized components or services that can be reused and combined to address changing business priorities. Enterprise Services Bus is an important architectural element in a SOA. This article will discuss how to implement an ESB with WAS for z/OS V6. The ESB Concept We all know that SOA is an approach to define integration architectures based on the concept of a service. When you enable service interactions using existing Internet and intranet infrastructure between systems in an architecture, you can create massive point-to-point connections, which are very difficult to manage. It's necessary to h... (more)

IBM WebSphere Application Server - WAS for z/OS and DB2

Most WebSphere Application Server (WAS) for z/OS customers use DB2 for z/OS as the backend or data store. DB2 for z/OS is a high-performance DBMS, with a strong reputation for handling high-volume data access transactions. Picking the right WAS for z/OS and DB2 Subsystem connectivity architecture can greatly improve the system's performance, availability, scalability, security, and trans... (more)

IBM WebSphere WAS for z/OS and MQ

As a J2EE application server, WAS for z/OS supports the Java Messaging Service (JMS). There are three choices for JMS providers in WAS for z/OS V5.x: WebSphere MQ (WMQ), Embedded Messaging (EM) JMS provider, or a third-party product. The EM JMS provider is a simplified WMQ. It provides an isolated messaging environment in WAS for z/OS that can't be used to interoperate with any other me... (more)

WebSphere Application Server for z/OS and zAAP: Manage Costs While Gaining Benefits

Running applications in WAS for z/OS lets you take advantage of the z/OS built-in Quality of Service features such as reliability, availability, scalability, and serviceability. However, the solution could be very expensive. J2EE applications and WAS for z/OS are very CPU-intensive workloads on z/OS. They consume a lot more CPU cycles than the traditional workloads running on z/OS, espe... (more)

Understanding WAS for z/OS

WebSphere Application Server for z/OS is a comprehensive and sophisticated J2EE application server platform. It integrates with the IBM's zSeries portfolio of hardware and z/OS software assets and exploits the qualities of service of the platform such as close proximity to data, intense scalability, continuous availability, failover support, and stalwart security. Most developers working ... (more)