Operating Systems: i5/OS
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Coexistence support

 

Coexistence is a state in which multiple installations and multiple nodes from different versions of WebSphere Application Server run independently in the same environment at the same time.

As it applies to WebSphere Application Server products, coexistence primarily refers to the ability of multiple installations of WebSphere Application Server to run independently 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. WebSphere Application Server Version 6.1 products can coexist with the following supported versions:

All combinations of V5.x products, V6.0.x products, and V6.1 products can coexist so long as there are no port conflicts.

WebSphere Application Server V5.x and V6.0.x clients can coexist with V6.1 clients.

Table 1. WebSphere Application Server clients V5.x, V6.0, and V6.1 multiversion coexistence scenarios
Installed product WebSphere Application Server V6.1 clients
WebSphere Application Server Version 5.0 Supported
WebSphere Application Server Network Deployment V5.0 Supported
WebSphere Application Server Version 5.0.1 Supported
WebSphere Application Server Network Deployment V5.0.1 Supported
WebSphere Application Server Version 5.0.2 Supported
WebSphere Application Server Network Deployment V5.0.2 Supported
WebSphere Application Server Version 5.1 Supported
WebSphere Application Server Network Deployment V5.1 Supported
WebSphere Application Server Version 6.0 Supported
WebSphere Application Server Network Deployment V6.0 Supported
WebSphere Application Server Version 6.0.1 Supported
WebSphere Application Server Network Deployment V6.0.1 Supported
WebSphere Application Server Version 6.0.2 Supported
WebSphere Application Server Network Deployment V6.0.2 Supported

WebSphere Application Server Version 5.x and V6.0.x products can coexist with V6.1 products.

Table 2. WebSphere Application Server V5.x, V6.0, and V6.1 multiversion coexistence scenarios
Installed product WebSphere Application Server V5.x WebSphere Application Server V6.0 WebSphere Application Server V6.1
Application Server Network Deployment Application Server Network Deployment Express Application Server Network Deployment Express
WebSphere Application Server Version 5.0 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V5.0 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V5.0 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 5.0.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V5.0.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V5.0.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 5.0.2 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V5.0.2 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V5.0.2 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 5.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V5.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V5.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 6.0 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V6.0 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V6.0 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 6.0.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V6.0.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V6.0.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 6.0.2 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V6.0.2 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V6.0.2 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Version 6.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server Network Deployment V6.1 Supported Supported Supported Supported Supported Supported Supported Supported
WebSphere Application Server clients V6.1 Supported Supported 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. Multiple V6.1 installation instances on one machine include the following combinations:

Restrictions on using mixed-release cells:




 

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