[DMM] I-D Action: draft-ietf-dmm-tn-aware-mobility-01.txt
internet-drafts@ietf.org Wed, 22 September 2021 21:03 UTC
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Subject: [DMM] I-D Action: draft-ietf-dmm-tn-aware-mobility-01.txt
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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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