IEC 62766-4-1:2017(E) specifies the protocols, which apply to the following reference point interfaces identified in the architecture described in Annex B of IEC 62766-1:2017.
- The UNI interfaces, between the consumer domain and the network or service provider domains.
- The HNI interfaces, between the functional entities in the consumer network domain.
- Interfaces to external systems, which include DLNA networks in the consumer domain.
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