| 主权项 |
1. A method comprising:
receiving media content at a network device, wherein the media content includes a first adaptive bitrate rendition (ABR) chunk and a second ABR chunk; sending the media content from the network device to each of a plurality of source devices; receiving, at the network device, a request for the media content from a destination device distinct from the network device; determining at a first time, by the network device based on pricing tier data stored at the network device, that a first monetary cost associated with providing the media content from a first source device of the plurality of source devices is less than a second monetary cost associated with providing the media content from a second source device of the plurality of source devices; in response to determining at the first time that the first monetary cost is less than the second monetary cost, sending by the network device a first notification that the first source device is to provide the first ABR chunk of the media content to the destination device; after sending the first notification, determining at a second time, by the network device based on pricing tier data stored at the network device, that the first monetary cost exceeds the second monetary cost; and in response to determining at the second time that the first monetary cost exceeds the second monetary cost, sending by the network device a second notification that the second source device is to provide the second ABR chunk of the media content to the destination device. |
