Systems and methods for service based mobility management entity selection using enhanced nas node selection function (nnsf) algorithm

A method of selecting a mobile management entity (MME), the method comprising:

• determining a pool of MMEs available for connecting to a user equipment (UE);
• identifying, from the pool of MMEs, a plurality of lists of MMEs, wherein each of the plurality of lists of MMEs includes only MMEs having a same service type;
• determining a service type of the UE;
• selecting a first MME from the pool of MMEs using a node selection algorithm, wherein the node selection algorithm is executed for a single list of the plurality of lists of MMEs, and the service type of the single list matches the service type of the UE;
• and
• connecting the UE to the first MME.

A non-transitory computer readable medium configured to store instructions thereon, wherein the instructions are configured to cause a processor to perform operations comprising:

• determining a pool of MMEs available for connecting to a user equipment (UE);
• identifying, from the pool of MMEs, a plurality of lists of MMEs, wherein each of the plurality of lists of MMEs includes only MMEs having a same service type;
• determining a service type of the UE;
• selecting a first MME from the pool of MMEs using a node selection algorithm, wherein the node selection algorithm is executed for a single list of the plurality of lists of MMEs, and the service type of the single list matches the service type of the UE;
• and
• connecting the UE to the first MME.