For the use in multi-server scenarios with different servers it might be needed to identify all related SpatialObjectsLists and bring them in relationship in a higher levelled SpatialObjectsList. For this the Property Identifier of a SpatialObjectsList can be instantiated as the Property Identifier of a SpatialObject contained in a higher-level SpatialObjectsList.
Figure 21 – Usage of the RSL concept in a multi-server scenario