A disaster tolerance method for an IPTV system, and an IPTV disaster tolerance system. A primary central platform (1) and a standby central platform (2) in different networks; the standby central platform (2) is arranged such that in the process where the primary central platform (1) normally operates, a standby service provision device (24) of the standby central platform (2) accesses the primary central platform (1) and provides service for a user at the same time with the primary central platform (1).
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