String matching algorithm has always been a research focus in computer science. Higher requirements have been put forward for the performance of string matching algorithms due to the explosive growth of data. In information security area, the large-scale of keywords, real-time demanding and complex matching data make the huge memory consumption of large-scale URL keywords
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Content Filtering Firewall Function have been integrated into security facilities, which produced by xx Co., This thesis introduces a type of distributed Firewall System basing on the above function.The new distributed Firewall System that is composed of a strategy server and a firewall device, it introduces a sort of distributed conception. Through configure filtering keywords
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With the development of information technology in contemporary society, traditional identification methods cannot meet the need of information security. Automated personal identification based on biometrics has been receiving extensive attention. Compared with other biometrics, iris identification has more advantages in uniqueness, stability, non-invasion and anti-falsifaication. In recent years, iris recognition technology has made great progress,
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With the popularity and development of computer and Internet technology, network plays anincreasingly important role in our daily life, but the following problems of network security areoutstanding day by day too. As an important protection measure to guarantee network security,intrusion detection system has been largely popularized and applied. As one of the key technologiesof intrusion
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With the popularity and development of computer and Internet technology, network plays anincreasingly important role in our daily life, but the following problems of network security areoutstanding day by day too. As an important protection measure to guarantee network security,intrusion detection system has been largely popularized and applied. As one of the key technologiesof intrusion
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With the global increasing levels of information，Network and information security isbecoming increasingly important.Current network and information security industry has become anational security, political stability, economic development, social life, health and cultural aspectsof life and security of a supporting role in the key industries,Network and information securityindustry in the whole pattern of industrial distribution and even
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Computer network has played an important role in the whole national economy now, whichhas become one of indivisible parts in our lives with the quick development of computer technique.Meantime, network safety has increasingly caused people’s attention. As the indispensable measureof safeguarding network, firewall and intrusion detection system are extensively available. Packetfilter is the key technology
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In the past few decades, large-scale distributed computing systems have been widely used to serve a growing number of applications. Lots of firms have deployed their own large and complex distributed systems consisting of thousands of computers. In the distributed computing system, resources are shared by large amount of users in a time-shared manner. In
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In recent years, video coding technology has made considerable development. Nowadays, H.264/AVC has been widely used in various aspects of the society. It has been showed that motion estimation is the core technology in video coding. As motion estimation occupies more than a half of the encoding time and has a great impact on the
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With the development of Internet business, the business datas are of different types and different formats. The amount of the data is growing larger and larger. There are many problems when classifying these datas:With more and more types of business, it is not accurate to classifying the business data through analyzing the packet header information
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