Hi APNers and DMMers,
I remember that in the mobile core scenarios the GTP-u tunnel can be set up 
according to the user and application requirements, but I do not understand the 
details. I think when the packet tunneled by GTP-u traverses the APN-based 
transport network, it may be mapped to the corresponding tunnel according to 
the user and application requirements to implement the uniform service. If you 
are familiar with the principle of GTP-u in the mobile core, please help 
provide some details.


Best Regards,
Zhenbin (Robin)


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