Internet-Draft draft-ietf-dmm-tn-aware-mobility-24.txt is now available. It is
a work item of the Distributed Mobility Management (DMM) WG of the IETF.
Title: Mobility-aware Transport Network Slicing for 5G
Authors: Uma Chunduri
John Kaippallimalil
Sridhar Bhaskaran
Jeff Tantsura
Luis M. Contreras
Name: draft-ietf-dmm-tn-aware-mobility-24.txt
Pages: 19
Dates: 2025-12-04
Abstract:
Network slicing in 5G enables logical networks for communication
services of multiple 5G customers to be multiplexed over the same
infrastructure. While 5G slicing covers logical separation of
various aspects of 5G infrastructure and services, user's data plane
packets over the Radio Access Network (RAN) and Core Network (5GC)
use IP in many segments of an end-to-end 5G slice. When end-to-end
slices in a 5G System use network resources, they are mapped to
corresponding Transport Network (TN) slice(s) which in turn provide
the bandwidth, latency, isolation, and other criteria required for
the realization of a 5G slice.
This document describes mapping of 5G slices to TN slices using UDP
source port number of the GTP-U bearer when the TN slice provider is
separated by an "attachment circuit" from the networks in which the
5G network functions are deployed, for example, 5G functions that are
distributed across data centers. The slice mapping defined here is
supported transparently when a 5G user device moves across 5G
attachment points and session anchors.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-dmm-tn-aware-mobility/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-dmm-tn-aware-mobility-24
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-dmm-tn-aware-mobility-24
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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