Method and device for ensuring quality of service of internet protocol television live broadcast service

Method and device for ensuring quality of service of internet protocol television live broadcast service

Embodiments of the present invention provide a method for ensuring quality of service of an Internet Protocol television live broadcast service, and the method includes: detecting a live broadcast packet received from an original multicast group (100); if detecting that the live broadcast packet has...

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1. Verfasser: OU XIONGBING
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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description Embodiments of the present invention provide a method for ensuring quality of service of an Internet Protocol television live broadcast service, and the method includes: detecting a live broadcast packet received from an original multicast group (100); if detecting that the live broadcast packet has an error or a loss, joining a multicast group corresponding to a delay multicast stream sent by a retransmission server, and receiving a delay retransmission packet from the delay multicast stream (102); and recovering the live broadcast packet according to the received delay retransmission packet (104). Correspondingly, a terminal and a retransmission server are provided. Once the terminal detects that the original packet has a loss or an error, the terminal directly receives a packet from a delay packet stream sent by the retransmission server for recovering, thereby avoiding a NACK storm, simplifying the processing of the retransmission server, and improving the retransmission efficiency.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Method and device for ensuring quality of service of internet protocol television live broadcast service
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