发明申请
US20080253564A1 METHOD AND APPARATUS FOR FILE SHARING OF MISSING CONTENT BETWEEN A GROUP OF USER DEVICES IN A PEER-TO-PEER NETWORK 有权
用于在对等网络中的一组用户设备之间丢失内容的文件共享的方法和装置

METHOD AND APPARATUS FOR FILE SHARING OF MISSING CONTENT BETWEEN A GROUP OF USER DEVICES IN A PEER-TO-PEER NETWORK
摘要:
A communication system 100 includes a group of user devices, a first device separate from the group of user devices, a first satellite, a peer-to-peer network 130 in communication with the user devices and the satellite 106 and a content delivery network 120 in communication with the user devices. The content delivery network encrypts the content in response to a first encryption-decryption information and communicates the content to the plurality of user devices through a satellite. At each of the plurality of the group of user devices the content is encrypted in response to a second encryption-decryption information. A first user device communicates a content request to the group of user devices. At least one of the group of user devices communicates the content to the first user device through the peer-to-peer network. The first user device requests the encryption-decryption information from a content delivery network through a terrestrial network. The content delivery network 120 communicates the encryption-decryption information to the first user device through the terrestrial network. The first user device decrypts the content in response to the encryption-decryption information.
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