Operating method for AUSF and UDM for authentication and authorization for each network slice
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United States of America
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Feb 18, 2025
Grant Date -
Dec 1, 2022
app pub date -
Oct 20, 2020
filing date -
Oct 20, 2020
priority date (Note) -
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Abstract
One disclosure of the present specification provides an operating method for an authentication server function (AUSF) apparatus. The operating method comprises the steps of: requesting a unified data management (UDM) apparatus for information about a serving access and mobility management function (AMF) apparatus for user equipment (UE); receiving, from the UDM apparatus, information indicating that the serving AMF apparatus for the UE is not present and an indication indicating or instructing maintenance of information about authentication and authorization for each network slice; receiving, from the UDM apparatus, information about a new serving AMF apparatus for the UE; and transmitting, to the new serving AMF apparatus, the information about authentication or authorization.
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