| 主权项 |
1. A method, comprising:
transmitting, by a computing device via one or more first transmissions, content fragments of a content item, each of the content fragments configured to be stored based on an identifier of each content fragment; receiving, from one of a plurality of receiving devices, a request to retransmit one content fragment of the content fragments; receiving, from one or more other receiving devices of the plurality of receiving devices, one or more additional requests to retransmit the one content fragment; determining, based on the request and the one or more additional requests, whether a threshold number of requests to retransmit has been received from the plurality of receiving devices; responsive to determining that the threshold number of requests to retransmit has been received from the plurality of receiving devices, transmitting, via one or more second transmissions, the one content fragment as (a) one or more content data packets and (b) one or more attribute packets that each comprises the identifier of the one content fragment and information enabling validation and storage, for later retrieval using the identifier of the one content fragment, of the one content fragment after reassembly of the one content fragment from the one or more content data packets; identifying which of the plurality of receiving devices sent the request and the one or more additional requests, resulting in information identifying sources of the request and the one or more additional requests; determining, based on the information identifying the sources, a location different from each location of the plurality of receiving devices or a device different from each of the plurality of receiving devices; and transmitting, to a network device, an identification of the location or the device. |
