Page 1428 - 5G Basics - Core Network Aspects

3 Signalling aspects

1 Scope
This Recommendation describes the scenarios and signalling requirements of unified intelligent
programmable interface for IPv6 service deployment. The example signalling protocol procedures at this
interface will also be described in this Recommendation to support protocol unaware flow forwarding in the
data plane. The IPv6 technologies supported in this Recommendation will include, but not be limited to, the
following: dual-stack lite (DS-Lite), IPv6 only, IPv6 rapid deployment (6rd), IPv4 residual deployment (4rd),
mapping of address and port - encapsulation mode (MAP-E), mapping of address and port - translation
mode (MAP-T), lightweight 4over6 (lw4over6) and 464XLAT.

2 References

None.

3 Definitions

3.1 Terms defined elsewhere
This Recommendation uses the following term defined elsewhere:

3.1.1 software-defined networking [b-ITU-T Y.3300]: A set of techniques that enables to directly
program, orchestrate, control and manage network resources, which facilitates the design, delivery and
operation of network services in a dynamic and scalable manner.

3.2 Terms defined in this Recommendation
None.

4 Abbreviations and acronyms
This Recommendation uses the following abbreviations and acronyms:

ALG Application Level Gateway
App Application

DS-Lite Dual-Stack Lite
lw4over6 Lightweight 4over6
NAT64 Network Address Translation 64

NETCONF Network configuration protocol
RG Residential Gateway

SDN Software-Defined Networking
TCP Transmission Control Protocol
UDP User Datagram Protocol

4rd IPv4 Residual Deployment
6rd IPv4 Rapid Deployment

5 Conventions

None.

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