A network slice selection strategy updating method and device; one method includes: the terminal device sends the configured network selection auxiliary information on the terminal device to AMF, the network auxiliary information includes the first slice identification; the terminal device receives the allowable network selection auxiliary information and indication information returned by the AMF; and the allowable network selection information. The auxiliary information includes a second slice identification for indicating that the second slice identification corresponds to the first slice identification. It can avoid unnecessary session establishment process initiated by terminal devices and save network resources.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。
【技术保护点】
PCT国内申请，权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请，...
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