| 摘要 |
An apparatus and method for managing requests for video on demand media data for effecting VoD stream delivery, including an interface for receiving data requests addressed for processing by a particular data request service device, an agent operatively coupled to the interface and configured for selecting which of a number of different data request service devices to send the request, irrespective of the device to which the request is addressed, and/or a module for determining if a received request can be serviced by a preferred request service device based on its ability to service the request. In some embodiments, when the preferred device is capable of servicing the request, the request is directed to that device, otherwise to another device, possibly the device to which the request is originally addressed. In some embodiments, the preferred request service device resides at an access node for delivering media services to subscriber equipment.
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