Hello Markus -
I'm a bit confused by your proposal.
As indicated in the slide set, slides 1-7, SRv6 makes sense as a TE
replacement for MPLS in the user plane. But I don't see how SRv6 (at
least in its current form) provides value as a replacement for GTP-U.
In addition to the PDU (IP packet) being transported, GTP-U includes a
header that contains RAN-related information fields such as end point
identifier (for mapping to a radio bearer), sequence numbers, QoS
information, etc.
What value is SRv6 bringing to this capability?
/bill
On 2025-07-21 12:33 p.m., [email protected] wrote:
Dear DMM and SRv6ops community,
I would like to draw your attention to an activity that we want to bring
to 3GPP to investigate for 6G. It is about the replacement of GTP-U by
SRv6 for mobile user plane. This should be of particular interest to all
operators/vendors already using/implementing SRv6 or planning its
introduction.
The last three slides in the slide set at https://datatracker.ietf.org/
meeting/123/materials/slides-123-srv6ops-21-advancing-deutsche-telekoms-
traffic-engineering-for-srv6-01 <https://datatracker.ietf.org/
meeting/123/materials/slides-123-srv6ops-21-advancing-deutsche-telekoms-
traffic-engineering-for-srv6-01> provide more information about our
motivation and will be presented by me tomorrow during srv6ops session.
Please read them, attend tomorrow's SRv6ops session or contact me or
Maria if you are interested.
We are particularly interested in expanding our round of supporters in
3GPP, getting an assessment from you that you may have already done on
this topic and studying with you if 3GPP agrees.
Br
Markus
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