Analyzing a media path in a packet switched network

Details Analyzing a media path in a packet switched network Analyzing a media path in a packet switched network

G - Physics

06

F

G06F 15/173 (2006.01)

Patent

CA 2551630

No-op media payload packets are used to analyze a media path in a packet switched network. In one embodiment, the no-op packets are Real Time Protocol (RTP) payload packets that contain no media content. A Real Time Control Protocol (RTCP) report is generated for the received RTP no-op packets. A marker bit is set in one of the no-op packets that triggers the no-op packet receiver to send back the RTCP report. The media steam is transmitted when the statistics in the RTCP report indicate a viable media path.

L'invention concerne des paquets de charge utile média fictifs utilisés pour analyser un trajet média dans un réseau à commutation par paquets. Dans un mode de réalisation de l'invention, les paquets fictifs sont des paquets de charge utile de protocole en temps réel (RTP) ne contenant aucun contenu média. Un rapport de protocole de contrôle en temps réel (RTCP) est généré pour les paquets fictifs RTP reçus. Un bit marqueur est réglé dans un des paquets fictifs qui déclenche le récepteur de paquets fictifs pour renvoyer le rapport RTCP. Le flux média est transmis lorsque les statistiques du rapport RTCP indiquent un trajet média viable.

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