6G Tracker

CT4 · TR 29.841

Protocol aspects for User Plane in Core Network of 6G System

A genuine three-way protocol contest: evolve GTP-U, move to SRv6, or adopt QUIC. The decision was due end-2026 and has been deferred to September 2027.

Specification
TR 29.841
Work item
—
Group
CT CT4
Rapporteur
Yong Yang — Ericsson
WID
—
Runs
2026 → Sep 2027
Latest
underway
Status
Contested

Read this before quoting the page

The work item acronym for this study is still unconfirmed.

Where it stands

Four key issues, thirteen solutions
Solutions A–M: nine enhance GTP-U, one is SRv6, three are QUIC variants.
Decision deferred
From end-2026 to September 2027, per 6G Futures.

Open questions

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Covered in

Edition 31

Sources

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