scope:

The present document specifies the functional architecture for service enabler architecture layer (SEAL) and the procedures, information flows and APIs for each service within SEAL in order to support vertical applications over the 3GPP system. The present document is applicable to vertical applications using E-UTRAN or NR access based on the EPC or 5GS architecture defined in 3GPP TS 23.401 [9] and 3GPP TS 23.501 [10]. To ensure efficient use and deployment of vertical applications over 3GPP systems this specification for SEAL services includes the group management, configuration management, location management, identity management, key management and network resource management.

NOTE: In the present document, the multicast services offered by SEAL are only applicable for EPS.