3.2.1 High Availability

Part 3, Install and configure a High Availability WebSphere Commerce system, describes how to set up the WebSphere Commerce topology with High Availability.

As a special case, some of the nodes shown in Figure 3-1 could actually be in different networks. We experimented with putting the following nodes into remote networks:

The following Web site discusses frequently asked questions about WebSphere Application Server, including how to run it over multiple data centers: 

http://www-128.ibm.com/developerworks/websphere/techjournal/0606_col_
alcott/0606_col_alcott.html

Without the HA Deployment Manager capability of WebSphere Application Server XD, the most practical way to replace a failed DMgr is the cold/warm standby server, as shown in Figure 3-1. For additional information about an alternative HA solution, go to the following link: 

http://www.ibm.com/developerworks/websphere/library/techarticles/0304_
alcott/alcott.html
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