name: TNAN
full_form: Trusted Non-3GPP Access Network
context: However how the network is considered Trusted or Untrusted is not in the scope of this WID. The architecture for non-roaming is shown in figure 3, where the Trusted Non-3GPP Access Network (TNAN) is the access node performing the termination of N2 and N3 reference point, termination of access network interface, relay of N1 to/from the UE. From 3GPP point of view the TNAN network is composed by the TNGF and the Trusted Non-3GPP Access Point (TNAP) which are interconnected via the reference point Ta. However the detailed definition of TNAN and of Ta is beyond the WID scope. The reference point between the UE and the TNG, the NWt, is specified leveraging the IKEv2 defined for Untrusted. The main difference in contrast to Untrusted is in registration procedure, where it is assumed that EAP-5G can be carried between UE and TNAP directly on access layers, such on IEEE 802.11x and between TNAP and TNGF via Ta and not as part of IKEv2 establishment. From other the point of view of other
description: A Trusted Non-3GPP Access Network (TNAN) is a type of network that provides access to the 5G core network for user equipment (UE). It is considered trusted and performs specific functions such as termination of N2 and N3 reference points, relay of N1 to/from the UE, and registration procedures using EAP-5G.
explanation: The text describes TNAN as a network that connects user equipment to the 5G core network and handles communication protocols. This clearly defines it as a type of network.
section_title: 10.1	Wireless and Wireline Convergence Enhancement
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