Deepening Research On Function Of NVD Network Player

Next-generation Versatile Disc Player for HDTV is namd NVD for short, It has the advantage of independent intellectual property rights, low cost, and the strong features of high-definition playing capability.It is not restricted by foreign patents,as a result, it has great market demand. The network part of NVD will be indispensable function,and NVDShare will improve the more experience of users.The application which is called NVDShare provides NVD to share file, for upload and download services on LAN(local area network) as well as WAN(Wide Area Network). It will provide the shared directory of local LAN PC for NVD players, then NVD players will be able to read the directory from the local PC, which allows users to play their own favourite video programs accordance with their needs. When users want to enjoy the programs which is not on the local PC, the users can download them through NVDShare, then share the file downloaded to NVD HD players. In this way, the conception of"share"is described the function of sharing and downloading of the application software NVDShare.The software used technologies include the NFS network file sharing and P2P downloads. NFS file system is mainly used to provide shared NFS file system data, at the same time, provide for the client to connect as a storage system. The P2P network is a high distributed system, every physical node in the network have the same logical status, but don't have processing power.The results of test show that, NVDShare can complete its function, not only share the programs from the host, but download them from internet. After they are shared, the the programs can be watched clearly. On the downloading area, the programs can quickly be downloaded, especially for the hot seeds.