Cisco Cisco Packet Data Gateway (PDG)
MME Changes in Release 17
MME Enhancements for 17.2 ▀
Release Change Reference, StarOS Release 17 ▄
269
MBMS manager – Schedules the MBMS session, identifies the service area to be served and triggers the setting
up of the MBMS session by informing the BM-SC
BM-SC – Sets up the e-MBMS session. Initiates delivery of the content by pulling it from the content server.
Uses appropriate CODEC on the content. Collects the reception receipt from the UEs for certain kinds of
content.
content.
MBMS-GW – Creates MBMS bearer, allocated a multicast transport address and performs the GTP-U
encapsulation of the MBMS data.
MME – Sets up a bearer and supports the e-MBMS session setup/teardown.
eNodeB/MCE – Involved in session setup and broadcasting of MBMS data on the broadcast channel on the air.
When this new functionality is fully implemented, it will include support for two new interfaces:
the Sm interface between the MME and the MBMS GW
the M3 interface providing the reference point for the control plane between the MME and the E-UTRAN
Command Changes
mme-embms-service
The new
mme-embms-service
command creates an e-MBMS service configuration for the MME in a new
configuration mode that includes the following commands:
associate
bind
mmemgr-recovery
plmn-id
sctp
setup-timeout
Performance Indicator Changes
show mme-embms-service
The following show command is new in support of the MME’s implementation of e-MBMS:
show mme-embms-service { all | m3ap statistics | mce-association { all | name |
path-info [ all | mme-embms-service ] <
mme_embms_service_name
>
CSCue56502 - SRVCC: Partial HO- providing voice services when SGSN is not
responsive.
Feature Changes
SRVCC Failure Handling