Maintaining a Cluster Configuration 
SAP Sourcing implements a basic clustering scheme for application scaling and load balancing. A cluster is a logical group of SAP-Sourcing services. Clusters are primarily used to define how end users access the Sourcing application.
Example
You might configure one cluster for purchasers and another for suppliers. These two groups normally use different hosts and authentication methods. Clusters facilitate this kind of flexibility.
A default cluster is created when SAP Sourcing software is installed. When the application cannot determine which cluster a user is attempting to access, the user is placed in the default cluster.
To create a cluster configuration:
Choose Setup in the toolbar at the top of the page.
Choose the System Setup tab.
In the Configuration section, select Cluster Configuration.
On the Cluster Information List page, choose Create.
On the Cluster Info page, fill in the fields with cluster information. For detailed information about these fields, see Field help for cluster configuration: Cluster Info page.
In the Hostname Aliases table, choose Add to add an alias for the host name.
In the dialog box, enter an alias URL and choose OK.
Repeat steps 6 and 7 to add additional aliases.
In the Cluster Members table, choose Add to add a cluster member.
Note
Each cluster requires at least one member service.
In the dialog box, do the following:
Enter a host name in the Hostname field. This host name is used to generate URLs for the destination service. Do not include the port number. Be sure that the assigned host name is visible to the user community.
In the Service field, choose the Lookup icon, select a service in the dialog box, and choose OK.
Check the Active box.
Choose OK.
Save your entries. Cluster changes are implemented immediately after they are saved.
To edit a cluster configuration:
Choose Setup in the toolbar at the top of the page.
Choose the System Setup tab.
In the Configuration section, select Cluster Configuration.
On the Cluster Information List page, select Clusters or All Inactive Clusters and choose the cluster to edit.
On the Cluster Info choose Edit in the toolbar.
Edit any fields. For detailed information about the fields on this page, see Field help for cluster configuration: Cluster Info page.
In the Hostname Aliases table, choose the Edit icon for an alias to edit.
In the dialog box, edit the alias and choose OK.
Repeat steps 6 and 7 to edit additional aliases.
In the Cluster Members table, choose the Edit icon for a cluster member to edit.
In the dialog box, edit any fields and choose OK.
Save your changes. Cluster changes are implemented immediately after they are saved.