Scientific analysis of the spatial evolution existing industrial areas in cities and prediction future development needs will help to rationally allocate land resources urban renewal, scientifically develop underground space, promote sustainable areas. First all, mode leading function type zone city are sorted out, its corresponding space is further out. It found that zones closely related domi...

Building trust relationships between peers is an important and difficult part in the security needs of P2P network without a central server. P2P reputation system has been introduced which collects locally generated peer feedbacks and aggregates them to yield global reputation scores. Most P2P applications on the Internet are unstructured, without fast hashing and searching mechanisms, how to p...

Abstract: Broadband-Integrated Services Digital Network (B-ISDN) is capable of supporting the transmission of multimedia applications such as data, voice and images concurrently, because it uses Asynchronous Transfer Mode (ATM) as the basis and ATM is a high-bandwidth, low-delay, connection-oriented cell switching and multiplexing technology. Traffic of different applications has different traf...