Why gtp tunnel

Please provide explainatin for Downlink packet also from internet to UE. Regards SaLoni. Thank you for visiting Netmanias!

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Netmanias Private 5G Analysis. China Mobile. M etaswitch. A thonet. GTP is the Generic Tunnel Protocol, which is a 3GPP protocol used for tunneling User-IP payload between a mobile station phone, modem and the interconnection between an external packet data network such as the internet. The tunnel endpoints thus reside on the phone and in the gateway. All intermediate nodes just transport the encapsulated packet.

So intermediate nodes just perform some specific relay function. This can be public internet, but can also be any private IP network or even theoretically some non-IP network like X. A direct PDF link to v The module implements the function of a tunnel endpoint, i.

This split architecture follows the tunneling modules of other protocols, e. Both are implemented in the Kernel GTP module. Version 0 is a legacy version, and deprecated from recent 3GPP specifications. There are three versions of GTP-C: v0, v1, and v2. Patches or other Contributions to fix this are most welcome! If you have questions regarding how to use the Kernel GTP module from your own software, or want to contribute to the code, please use the osmocom-net-grps mailing list for related discussion.

The list can be reached at osmocom-net-gprs lists.