Transport aware 5G mobility with PPR
2020
This document describes few 5G mobility scenarios and how mobile
network functions map its SST criteria to identifiers in IP packets
that transport segments use to grant transport layer services. This is
based on mapping between mobile and IP transport underlays (IPv6,
MPLS, IPv4) and a new transport network underlay routing mechanism,
Preferred Path Routing (PPR), which brings slice properties and works
with any underlying transport (L2, IPv4, SR and MPLS) is described.
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