Page 114 - 2015 Security in Telecommunications and Information Technology

3 Unleashing the potential of the Internet of Things

3.2 Terms defined in this Recommendation

This Recommendation defines or uses the following term:
3.2.1 gateway: A unit in the Internet of things which interconnects the devices with the
communication networks. It performs the necessary translation between the protocols used in the
communication networks and those used by devices.

4 Abbreviations and acronyms
This Recommendation defines or uses the following terms:

3G Third Generation
4G Fourth Generation

CAN Controller Area Network
CRM Customer Relationship Management

ECU Electronic Control Unit
GPRS General Packet Radio Service

GPS Global Positioning System
IoT Internet of Things
IP Internet Protocol

LTE Long Term Evolution
MAC Media Access Control

MSISDN Mobile Subscriber International ISDN/PSTN number
NGN Next Generation Network

PHY Physical layer
QoS Quality of Service

SMS Short Message Service
TCP Transmission Control Protocol

URI Uniform Resource Identifier
WCDMA Wideband Code Division Multiple Access

Wi-Fi Wireless Fidelity
xPON x Passive Optical Network

5 Conventions

In this Recommendation:
The keywords "is required to" indicate a requirement which must be strictly followed and from
which no deviation is permitted if conformance to this document is to be claimed.
The keywords "is recommended" indicate a requirement which is recommended but which is not
absolutely required. Thus this requirement need not be present to claim conformance.

The keywords "can optionally" and "may" indicate an optional requirement which is permissible,
without implying any sense of being recommended. These terms are not intended to imply that the
vendor's implementation must provide the option and the feature can be optionally enabled by the

100 Rec. ITU-T Y.4101/Y.2067 (06/2014)