SYSTEM AND METHOD FOR REDUCING CANNEL ZAPPING TIME OF IPTV

摘要

A kind of system and method, the channel changes times for shortening Internet Broadcast are provided to the channel change for rapidly dealing with a subscriber by increase port number. When most the junior one IP (Internet protocol) STB (set-top box) (12) is driven (S12), IP STB export STB verifyings and subscriber database information request message to a subscriber database server (S14). Information, transmission search result a to home gateway (S16) are searched for the subscriber database server that this subscriber is subscribed about a channel group. Home gateway, which generates an IGMP (Internet Group Management Protocol) and message is added and is used to receive, to be included the stream in channel in channel group information and transmits it to an IPTV head ends (S18, S20). What IPTV head ends transmitted each channel flows to home gateway (S22).