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LSO Cantata (CUS:BUS) belongs to the family of LSO Interface Reference Points (IRP) as defined in MEF 55. It defines the management reference point that provides a customer (including enterprise customers) with capabilities via the Service Portal to support operational interactions (e.g., ordering, billing, trouble management, etc.) for a portion of the service provider service capabilities related to the customer’s services. In other words, LSO Cantata is a management reference point that supports non-control related management interactions between the Service Provider's Business Applications and the Customer.

LSO Cantata is relevant within the Service Provider domain and the Customer domain.

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 Interactions

• Customer browses the Product Catalog for Product Offerings that are available for selection by the Customer.

• Based on Product Offerings the Customer develops, places, tracks and changes Product Orders.

• Customer requests modification of Product Instances.

• Customer provides and views customer acceptance testing information.

• Customer views Product Instance performance and fault information. 

• Customer receives information about the scheduled maintenance that may impact their Product Instances. 

• Customer places and tracks trouble reports. 

• Customer queries and views usage and billing information.