Coexistence is a state in which nodes from different versions of WebSphere Application Server can start and run in the same environment at the same time.
Coexistence, as it applies to WebSphere Application Server products, is the ability of multiple installations of WebSphere Application Server to run on the same machine at the same time. Multiple installations include multiple versions and multiple instances of one version. Coexistence also implies various combinations of Web server interaction.
All combinations of Version 4.0.x products, Version 5.x products, and Version 6.0.x products can coexist so long as there are no port conflicts.
Installed product | WebSphere Application Server Version 6.0.x clients |
---|---|
IBM WebSphere Application Server Advanced Single Server Edition Version 4.0.2 and later | Supported |
IBM WebSphere Application Server Advanced Edition Version 4.0.2 and later | Supported |
IBM WebSphere Business Integration Server Foundation Edition Version 4.1 and later | Supported |
IBM WebSphere Application Server Version 5.0 | Supported |
IBM WebSphere Application Server Network Deployment Version 5.0 | Supported |
IBM WebSphere Business Integration Server Foundation Version 5.0 | Supported |
IBM WebSphere Application Server Version 5.0.1 | Supported |
IBM WebSphere Application Server Network Deployment Version 5.0.1 | Supported |
IBM WebSphere Business Integration Server Foundation Version 5.0.1 | Supported |
IBM WebSphere Application Server Version 5.0.2 | Supported |
IBM WebSphere Application Server Network Deployment Version 5.0.2 | Supported |
IBM WebSphere Business Integration Server Foundation Version 5.0.2 | Supported |
IBM WebSphere Application Server Version 5.1 | Supported |
IBM WebSphere Application Server Network Deployment Version 5.1 | Supported |
Version 4.0.x and Version 5.x products can coexist with Version 6.0.x of the base product.
Installed product | Version 5.x | Version 6.0.x | ||||
---|---|---|---|---|---|---|
Application Server | Network Deployment | Enterprise / WBISF | Application Server | Network Deployment | Express | |
Advanced Single Server Edition Version 4.0.2 and later | Supported | Supported | Supported | Supported | Supported | Supported |
Advanced Edition Version 4.0.2 and later | Supported | Supported | Supported | Supported | Supported | Supported |
Enterprise Edition Version 4.1 and later | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server clients Version 4.0.x | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server Version 5.0 | Supported | Supported | Supported | Supported | Supported | Supported |
Network Deployment Version 5.0 | Supported | Supported | Supported | Supported | Supported | Supported |
Enterprise Version 5.0 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server clients Version 5.0 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server Version 5.0.1 | Supported | Supported | Supported | Supported | Supported | Supported |
Network Deployment Version 5.0.1 | Supported | Supported | Supported | Supported | Supported | Supported |
Enterprise Version 5.0.1 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server clients Version 5.0.1 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server Version 5.0.2 | Supported | Supported | Supported | Supported | Supported | Supported |
Network Deployment Version 5.0.2 | Supported | Supported | Supported | Supported | Supported | Supported |
Enterprise Version 5.0.2 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server clients Version 5.0.2 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server Version 5.1 | Supported | Supported | Supported | Supported | Supported | Supported |
Network Deployment Version 5.1 | Supported | Supported | Supported | Supported | Supported | Supported |
Integration Server Version 5.1 | Supported | Supported | Supported | Supported | Supported | Supported |
WebSphere Application Server clients Version 5.1 | Supported | Supported | Supported | Supported | Supported | Supported |
In addition to multiversion coexistence, WebSphere Application Server also lets you install multiple times on one machine (multiple installation instances) or install once and have multiple profiles.