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SDS-2025-0017R04-ogc_ipe_configuration_aspects_supl

Merged Ingo Friese requested to merge SDS-2025-0017-ogc_ipe_configuration_aspects_supl into R5
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- administrative data (like historic locations or historic products IDs).
The IPE shall map the 'result' attribute of an OGC/STA 'Observation' to the 'content' attribute of a oneM2M <contentInstance>, and vice versa as shown in Figure 6.1-1.
![Figure 6.1-1: OGC / STA-to-oneM2M data model mapping](media/data_mapping.svg)
**Figure 6.1-1: OGC / STA-to-oneM2M data model mapping**
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#### 6.3.2.0 Overview
The IPE needs to perform configuration steps on the hosting CSE.
The IPE needs to perform configuration steps on the hosting CSE.
#### 6.3.2.1 Communication direction oneM2M CSE towards IPE
In Figure 6.3.2.1-1 a oneM2M AE, triggered by a sensor, sends data to the CSE by creating a `<contentInstance>` in a `<container>` at the CSE.
The IPE subscribes to the `<container>`by creating a `<subscription>` and receives a `<notification>` message along with the `<contentInstance>` when new data arrives.
![Figure 6.3.2.1-1: Message flow from AE to CSE to IPE](media/config_cse1.png)
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**Figure 6.3.2.1-2: Configuration message flow for CSE to IPE direction**
The detailed configuration steps are shown in Figure 6.3.2.1-2:
1) The IPE creates a `<subscription>` to the `<container>` that is appointed to hold the data to be forwarded to the OGC/STA side.
2) The hosting CSE evaluates the request, performs the appropriate checks, and creates the `<subscription>` resource.
3) The hosting CSE responds with a successful result message of the `<subscription>` resource creation; otherwise, it responds with an error.
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