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full Contents for  TS 23.222  Word version:   17.0.0

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B.3  Integrated deployment of 3GPP network exposure systems with the CAPIF [R16]Word-p. 106
B.3.1  General
According to 3GPP TS 23.682, when the CAPIF is supported, the SCEF supports the API provider domain functions. According to 3GPP TS 23.501, when the CAPIF is supported,the NEF supports the API provider domain functions.
B.3.2  Deployment modelWord-p. 107
B.3.2.1  General
The SCEF and the NEF may be integrated with a single CAPIF core function to offer their respective service APIs to the API invokers. The following deployment model is possible for integrated deployment of the SCEF and the NEF with the CAPIF core function.
B.3.2.2  Integrated deployment of the SCEF and the NEF with the CAPIF
Figure B.3.2.2-1 illustrates integrated deployment of the SCEF and the NEF with the CAPIF.
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The CAPIF core function, the SCEF and the NEF are deployed in the PLMN trust domain, where the CAPIF core function takes the role of a unified gateway and provides services to different API invokers. The API invokers obtains the T8 and N33 service API information and the corresponding entry point details from the CAPIF core function via CAPIF‑1 or CAPIF‑1e reference points.
The API invokers can interact independently with the SCEF, the NEF and the 3rd party API exposing functions via CAPIF‑2 or CAPIF‑2e reference points. In this case, T8 and N33 can be reused to implement the service specific aspects of CAPIF‑2 or CAPIF‑2e reference points for the corresponding service API interactions of the SCEF and the NEF respectively.
The SCEF and the NEF applies any service API access policy control to the interactions between the API invokers and the T8 and N33 service APIs respectively by communicating with the same CAPIF core function via the CAPIF‑3 reference point.
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