All mobile networks will use Mobile IP in 5G, and each mobile terminal will be FA (Foreign Agent), Application Layer Application ( Services ) Presentation Layer Session layer Open Transport Protocol (OTP) Transport Layer Network layer Upper network layer Lower network Layer Data link Layer(MAC) Open Wireless Architecture
(OWA) Physical Layer 2013 International Conference on Intelligent Systems and Signal Processing (ISSP) keeping the CoA (Care of Address) mapping between its fixed IPv6 address and CoA address for the current wireless network. However, a mobile can be attached to several mobile or wireless networks at the same time.[16] In such case, it will maintain different IP addresses for each of the radio interfaces,