It is recommended to complete a SV-1 before creating SV-2.
To create a SV-2 diagram
- Create or reuse Resources created in SV-1.
 - Associate Resources using Resource interfaces.
 - Create Resource Ports.
 - Specify the types for the Resource Ports.
 
SV-2 product allows to show the provided and required services by particular Resources. You can model the structure of each Resource by using the Resource Internal Communications Description diagram or in a special structure compartment of this element shape.