| 摘要 |
The functionality of the multiprovider multicast membership according to the invention solves the problem of providing multicast content in multiprovider metro environments, where for the transfer of video contents multicast transfer is used. The invention substantially enhances the functionality of the IGMP spying to the extent that the user, who belongs to one provider can be provided with all the combinations of video content by many service providers despite belonging to a single one. |
