| 摘要 |
A method and apparatus for load sharing and increasing fault tolerance at a head-end (101) of an interactive information distribution system (100) during a subscriber's video session. A primary head-end controller (1301) processes video session data to manage the distribution of streamed video information to a subscriber. In the event of a failure at the primary head-end controller (1301), a secondary head-end controller (1302) continues to process session-state data, with minimal interruption to the subscriber's video session.
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