ain Form Records Retrived Active Serv Grps Active Serv Orders Customer ABC ABC RADIO Acct. Manager SWAN Domain Id Request No Title Product SPEEDNET Market Segment BUSIN Requested Delivery Date 06-JUL-2001 Request Status Probosed 06-JUL-2001 11:22:02 Assigned Workgroup CLARITY Created By CLARITY Date Created 06JUL-2001 11:28:02 Created Workgroup CLARITY View Service Orders Attach and View Files Product Demain Comments All Comments Entered By Timestamp CLARITY 06-JUL-2001 11:28:21 testing Service Groups Figure 6.16 Product domain screen in Clarity Service Manager. a Service groups Clarity Service Groups Description Figure 6.17 Service groups in Clarity Service Manager. OSS for Telecom Networks be able to categorise their services. Service groups allow this. For example, a carrier may have a service group called "Broadband". Service orders for, say, 500 kbps, 1 Mbps xDSL and Tx connections would be attached to this service group. Alternatively, a service provider might like to create "xDSL residential", "xDSL business" and "Tx business" as service groups. A service group is associated with a product domain. Business rules apply when updating or creating service group records, none of which are unexpected (as they generally simply respect the usual requirements for when a record is related to another): A service group cannot exist without a corresponding product domain, and so the product domain corresponding to a service group must be created before creating that service group. Service group records cannot be updated if there are open service orders attached to the service group. All service orders associated with a service group must be closed before the serv- ice group can be closed. A service group cannot be deleted if it has an associated service order, since the service group associated with a service order is an essential feature of the service order. The Entered By and Timestamp fields are automatically populated when comments are entered for a service group. Aside from categorisation of service orders for cr