A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Distributed Mobility Management WG of the IETF.
Title : Transport Network aware Mobility for 5G
Authors : Uma Chunduri
John Kaippallimalil
Sridhar Bhaskaran
Jeff Tantsura
Praveen Muley
Filename : draft-ietf-dmm-tn-aware-mobility-01.txt
Pages : 25
Date : 2021-09-22
Abstract:
This document specifies a framework and mapping of slices in 5G
mobile systems to transport network slices in IP, Layer 2 or Layer 1
transport networks. Slices in 5G systems are characterized by
latency bounds, reservation guarantees, jitter, data rates,
availability, mobility speed, usage density, criticality and
priority. These characteristics mapped to transport network slice
include bandwidth, latency and criteria such as isolation,
directionality and disjoint routes. Mobile slice criteria are mapped
to the appropriate transport slice and capabilities offered in
backhaul, midhaul and fronthaul connectivity segments between radio
side network functions and user plane function(gateway).
This document describes how mobile network functions map its slice
criteria to identifiers in IP and Layer 2 packets that transport
network segments use to grant transport layer services during UE
mobility scenarios. Applicability of this framework and underlying
transport networks, which can enable different slice properties are
also discussed. This is based on mapping between mobile and
transport underlays (L2, Segment Routing, IPv6, MPLS and IPv4).
The IETF datatracker status page for this 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-01
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-dmm-tn-aware-mobility-01
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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