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