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    • 10. 发明申请
    • METHOD AND APPARATUS FOR FILE SHARING OF MISSING CONTENT BETWEEN A GROUP OF USER DEVICES IN A PEER-TO-PEER NETWORK
    • 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
    • US20080253564A1
    • 2008-10-16
    • US11876832
    • 2007-10-23
    • Raynold M. KahnRomulo PontualRobert G. Arsenault
    • Raynold M. KahnRomulo PontualRobert G. Arsenault
    • H04N7/167H04N7/20
    • H04L67/104H04N7/20H04N21/2347H04N21/26613H04N21/4405H04N21/4408H04N21/4622H04N21/4788H04N21/6143
    • 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.
    • 通信系统100包括一组用户设备,与用户设备组分离的第一设备,第一卫星,与用户设备和卫星106通信的对等网络130以及内容传送网络120 与用户设备通信。 内容递送网络响应于第一加密解密信息加密内容,并通过卫星将内容传送给多个用户设备。 在所述多个所述用户设备组中的每一个上,响应于第二加密解密信息对所述内容进行加密。 第一用户设备将内容请求传送到用户设备组。 该组用户设备中的至少一个通过对等网络将内容传送到第一用户设备。 第一用户设备通过地面网络从内容传送网络请求加密解密信息。 内容递送网络120通过地面网络将加密解密信息传送给第一用户设备。 第一用户装置响应于加密解密信息解密内容。