Cisco Cisco Packet Data Gateway (PDG) Fehlerbehebungsanleitung
Multimedia Broadcast and Multicast Service
Services and Application in MBMS ▀
Cisco ASR 5000 Series Enhanced Feature Configuration Guide ▄
OL-22982-01
Services and Application in MBMS
MBMS service can be used as an enabler for various data streaming services. Compared to traditional broadcast services
like cell broadcast, MBMS provides multimedia capabilities with relatively high data rates and considerably greater
multimedia capabilities.
like cell broadcast, MBMS provides multimedia capabilities with relatively high data rates and considerably greater
multimedia capabilities.
Some of the applications for MBMS are:
News clips
Audio streams
Combined audio and picture/video clips
Video distribution services, either via streaming, carousel, or download methods
Localized services like tourist information, weather alerts etc.
Content distribution
Game delivery
The charging of the MBMS bearer service can be done based on events, content, or flows.
MBMS provides the authentication, key distribution, and data protection for the multicast service users.
MBMS References and Entities
Following are the major components and entities required for MBMS service.
Gmb Reference
The Gmb reference point handles the broadcast multicast service center (BM-SC) related signaling, which includes the
user specific and bearer service messages.
user specific and bearer service messages.
MBMS bearer service specific Gmb signaling includes:
MBMS bearer context establishment by GGSN and registering of GGSN at BM-SC.
Release of MBMS bearer context at GGSN and de-registration of GGSN from the BM-SC.
Session start/stop indication from BM-SC to GGSN including session attributes like QoS or MBMS service area.
User specific Gmb signaling includes:
BM-SC authorization of user specific MBMS multicast service activation at the GGSN.
Reporting of successful user specific MBMS multicast service activation by GGSN to BM-SC to synchronize the
BM-SC UE MBMS context and charging with the MBMS UE contexts in GGSN.
Reporting of release or deactivation of user specific MBMS multicast service activation by GGSN to BM-SC to
synchronize the BM-SC UE MBMS context and charging with the MBMS UE contexts in GGSN.
BM-SC initiated deactivation of user specific MBMS bearer service when the MBMS user service is terminated.