Network file download is always an important force to promote the Internet develope. People have designed many protocols and methods to make file exchange fast, secure and efficient. The methods for file download through the following stages: multithread file download based on HTTP and FTP, multithread file download based on P2P protocols with the features
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With the development of P2P network, P2P applications occupy most data flow of the Internet. In order to reduce the cross-ISP traffic, some ISPs begin to ban the P2P applications. So, how to reduce cross-ISP traffic becomes an important problem. In this paper, we design and implement the simulation of BitTorrent locality system on the
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BT (BitTorrent) is currently one of the most popular P2P file sharing systems. More and more users like the anonymity, openness and efficiency of BT, and many BT clients are widely used nowadays. In 2004, BT has occupied 53% of the entire P2P traffic, and in recent years, P2P traffic is 70% of the entire
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BT (BitTorrent) is currently one of the most popular P2P file sharing systems. More and more users like the anonymity, openness and efficiency of BT, and many BT clients are widely used nowadays. In 2004, BT has occupied 53% of the entire P2P traffic, and in recent years, P2P traffic is 70% of the entire
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With the development of information technology and the growing popularity of Internet, network protocols play a more and more important role. Protocol testing is to ensure that the protocol can work properly. Protocol testing generally can be divided into conformance testing, interoperability testing, robust testing and performance testing. In this thesis, we introduce interoperability testing
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With the development of information technology and the growing popularity of Internet, network protocols play a more and more important role. Protocol testing is to ensure that the protocol can work properly. Protocol testing generally can be divided into conformance testing, interoperability testing, robust testing and performance testing. In this thesis, we introduce interoperability testing
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With the vigorous development of the domestic retail, convenience store market continues to expand and rapidly increases in the number. The chain network of it geographically spread out continuously. Because of the changes of business strategy and market, headquarters frequently need to update the stores’sales data on the POS machine uniformly. Headquarters also need to
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Having enjoyed rapid development during recent years, peer-to-peer (P2P) has become the major internet traffic contributor. Being network oblivious, P2P applications generate large amounts of cross-ISP traffic, thus cause severe mismatch between P2P overlay and carrier network. However, traditional carrier networks provide”one-size-fit-all”bandwidth service, hence can hardly meet performance requirement of recently emerged application types such
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In recent years, the application of Internet streaming media has been developing rapidly, but the transmission speed of streaming media is not good. The traditional client/server model very easily leads to the performance bottlenecks of server and the waste of resources, which can not effectively support large-scale data distribution of streaming media. In addition, IP
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P2P is abbreviated from “Peer-to-Peer”. It is a distributed network. The participants of the network share part of their hardware resources (processing power, storage capacity, network connectivity, printers, etc.). They can access the resources (services and content), at the same time they can provide the resources to others.File-sharing is currently the most important application of
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