Based on the knowledge perspective, it is suggested that the main function of technological medi-organization is to provide service for the social knowledge activity including knowledge produce, knowledge transfer and knowledge application.
First to large-scale VoD application environment, the dissertation proposes a new single multicast tree based P2P VoD service architecture—PeerVoD, in which each peer node has a fixed-size FIFO buffer to cache the most recent content of the video stream it receives, and can provide service to subsequent peer nodes.
GIS based on Web Services causes the spatial data with different forms in different area and platform to be possible in the on-line free pitch point to realize separately and provide services for others.
In the area ofadvanced and new technologies in China, especially in the industries of digital products,mobile communication, internet and etc. demanding high compatibility, the internationaltechnology standard is the foundation of production, marketing, service supply andparticipance in the international competition.
Wide band wireless connection has the following advantages: broad frequency band of working area, less starting expenses, fast service supply, full use of frequency, large system capacity and low cost of operation and maintenance etc. Therefore many kinds of wind band wireless connecting systems are springing up one after another recently such as LMDS, LMCS, MMDS and so on .
As far as the status quo of financing in the constructive field of urban infrastructure is concerned, although conventional financing arrangements have bestrewed three processes, which include the constructer, putting through and final service-offering, facing the tremendous market demands for urban infrastructure, the innovation on financing tools and main investors still has quite great space.