Service channel (UPDM - NAF aliases)
Creation
To create a Service Channel:
• From an NOV-2 Operational Node Relationship Description or NSV-2 System Communications Description: click the 
Shallow Service Channel or 
Shallow Uni-Directional Service Channel button, click the source Request or Service, and then click the destination Request or Service.
Shallow Service Channel or Shallow Uni-Directional Service Channel button, click the source Request or Service, and then click the destination Request or Service.To create a Service Channel and the connecting Request or Service elements in one operation:
• From an NOV-2 Operational Node Relationship Description: click the 
Complete Service Channel button, click the source Known Resource, Node Role or Problem Domain, and then click the destination Known Resource, Node Role or Problem Domain.
Complete Service Channel button, click the source Known Resource, Node Role or Problem Domain, and then click the destination Known Resource, Node Role or Problem Domain.Choose whether to create source and destination Request or Service elements, and then select the type of those elements.
• From an NSV-2 System Communications Description: click the Complete Service Channel button, click the source Resource Role, and then click the destination Resource Role.
Complete Service Channel button, click the source Resource Role, and then click the destination Resource Role.Choose whether to create source and destination Request or Service elements, and then select the type of those elements.
Appearance
When shown on an NOV-2 Operational Node Relationship Description or NSV-2 System Communications Description, a Service Channel appears as follows:
Relationships
The following relationships are of importance to a Service Channel.
The following sections provide information about how a Service Channel is used in the model.
Create a Service Channel from
Create from a Service Channel
Only the UPDM elements that can be created from all UPDM elements (Alias, Definition, Information and Metadata).
Shown on these diagrams, tables and matrices
In addition to the NAV-2 Integrated Dictionary and NTV-1 Standards Profile, which can show all UPDM elements:
UPDM writeable properties
The following writeable properties are available on the Service Channel tab of a Service Channel element's Property Pages:
• URI