Efficient MBMS backbone distribution using one tunnel approach

Details Efficient MBMS backbone distribution using one tunnel approach Efficient MBMS backbone distribution using one tunnel approach

2011-06-07

2011-06-07

Ho, Duc C (Department: 2465)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S352000, C370S401000

Reexamination Certificate

active

07957376

ABSTRACT:
The present invention relates to a method, signal and devices for facilitating distribution of multimedia broadcast multicast services, i.e. MBMS, in a telecommunications network by receiving an MBSM session start message from a broadcast/multicast service center; sending control traffic on a control network; sending as control traffic to a serving node an MBMS session start request message and including a common tunnel end-point identifier, i.e. common TEID, in the MBMS session start request message; receiving information from the serving node indicating the acceptance of using IP multicast; and sending media content on an IP multicast backbone to hosts that have joined the multicast group using the common TEID. If any part of the communication network does not accept the IP multicast backbone as distribution method tunnels will be used between the gateway and serving node and between the serving node and control node.

REFERENCES:
patent: 7162241 (2007-01-01), Kim et al.
patent: 2004/0017809 (2004-01-01), Park
patent: 2005/0111395 (2005-05-01), Hwang et al.
patent: 2007/0178916 (2007-08-01), Sorbara et al.
patent: 2007/0197235 (2007-08-01), Zhang
Ericsson: MBMS One Tunnel optimization; 3GPP TSG SA WG2 Architecture; S2-062951; Aug. 28-Sep. 1, 2006; Sophia Antipolis, France.

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