| CPC H04L 45/0377 (2022.05) [H04W 60/00 (2013.01); H04W 76/10 (2018.02)] | 14 Claims |

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1. A method comprising:
performing a registration procedure for a user equipment (UE);
performing a session establishment procedure for the UE;
receiving an N4 rule generated by a session management node from the session management node,
wherein the N4 rule includes information related to a change of a service function chaining (SFC) path,
wherein the information related to the change of the SFC path is generated by the session management node or by a policy control node, based on UE power consumption analytics,
wherein the UE power consumption analytics are generated by a network data analytics node, based on information related to power consumption of the UE collected from the UE,
wherein the UE power consumption analytics include at least one of a statistic value or a prediction value for efficiency of the SFC path that is changed depending on whether a specific enabler is used;
determining the SFC path based on the information related to the change of the SFC path; and
communicating with the UE based on the determined SFC path.
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