3 Definitions and abbreviations

36.4423GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN)Release 17Signalling Transport for interfaces supporting Multimedia Broadcast Multicast Service (MBMS) within E-UTRANTS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [1].

M2: E-UTRAN internal control plane interface between an eNB and an MCE, It is also considered as a reference point.

M3: Control plane interface between an E-UTRAN (MCE) and MME. It is also considered as a reference point.

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1].

eNB E-UTRAN Node B

DiffServ Differentiated Service

IP Internet Protocol

MME Mobility Management Entity

PPP Point to Point Protocol

SCTP Stream Control Transmission Protocol