Multicast path switching method and device and network equipment

Multicast path switching method and device and network equipment

The invention provides a multicast path switching method, a multicast path switching device and network equipment. The method comprises the following steps of: receiving a trigger instruction for switching from RPT to SPT; judging whether the RPT and the SPT are overlapped according to the trigger i...

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Hauptverfasser: LIU FUNENG, WU JIPENG, YANG JINGMIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator LIU FUNENG
WU JIPENG
YANG JINGMIN
description The invention provides a multicast path switching method, a multicast path switching device and network equipment. The method comprises the following steps of: receiving a trigger instruction for switching from RPT to SPT; judging whether the RPT and the SPT are overlapped according to the trigger instruction; and when the judgment result is that the RPT and the SPT are overlapped, inhibiting generating the SPT and continuously receiving multicast messages through the RPT. In the technical scheme, before the switching from the RPT to the SPT, whether the RPT and the SPT are overlapped is judged by a detection mechanism, and the switching operation is not executed when the RPT and the SPT are overlapped, so the problem that network resources are wasted due to the switching operation when the RPT and the SPT are overlapped can be solved.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Multicast path switching method and device and network equipment
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