AN ID-BASED MULTIPLE AUTHENTICATION SCHEME AGAINST ATTACKS IN WIRELESS SENSOR NETWORKS Siwei Peng Dept. of Computer Science‚ Beijing University of Posts and Telecommunications‚ Beijing 100876‚ China saul.perceive@gmail.com Abstract A wireless sensor network (WSN) consists of a number of tiny‚ low-cost‚ and resource-constrained sensor nodes‚ but is often deployed in unattended and harsh environments to perform various monitoring tasks. Therefore‚ WSN is venerable to various attacks. Among these
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Attacks on layer two of the OSI model Seven layers of OSI In 1977 a model called Open Systems Interconnection (OSI) was proposed‚ with the aim to establish an interoperability standard for different vendor products. This model defines several layers related to data transfer‚ from the lowest (physical) to the highest (application) layer. They have a strong dependence upon one another and headers are usually added when traversing from a lower layer to a higher one. The seven layers are: Layer 1 -
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Consumer Behavior Sony Case Analysis 1. Through years of innovation‚ Sony has developed high-quality products that consumers desire and established a number of cultural meanings for itself. Consumers see Sony as a manufacturer that produces high-quality products that are innovative and push the marketplace forward. Motivated and creative‚ Sony brings cutting-edge technology from Japan to America. They are mostly responsible for Americans perceiving products made in Japan as high-quality (Peter
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Sony TV business loses much money for the company SAMSUNG-LG-SONY(third largest) http://www.statista.com/statistics/267095/global-market-share-of-lcd-tv-manufacturers/ The TV business‚ which has racked up around 790 billion yen of losses over the past 10 years‚ has been one of the main contributors to persistent losses in Sony’s flagship electronics division Without the facility to produce its own LCD panels Sony found itself forced to buy in components from the likes of Samsung and Sharp. However
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Purpose As the world knows‚ Sony has been fighting a losing battle for many years against rivals such as Samsung and Apple. The purpose of writing this report is to provide solutions‚ implementations and recommendations and at the same time form a recovery plan for Sony to boost up its sales and reputation. The background of Sony will be illustrated in the next section. Background Sony Corporation is originated from Tokyo‚ Japan. Their name Sony is derived from a Greek word Sonus which means
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Sony has numerous resources and capabilities ranging from tangible to intangible that give them their own unique competitive advantage as well as put them in positions that could potentially hurt their growth and strategy. Sony in the past has made bad strategic decisions in aspects of which technology they pursue. When video tapes were becoming popular Sony’s BetaMax was a failure and now today the Sony brand is leading with their involvement with the Blu-ray. The gaming industry has seen increasing
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Communications MIMO Multiple Input‚ Multiple Output (MIMO) technology is a wireless technology that uses multiple transmitters and receivers to transfer more data at the same time. MIMO technology takes advantage of a radio-wave phenomenon called multipath where transmitted information bounces off walls‚ ceilings‚ and other objects‚ reaching the receiving antenna multiple times via different angles and at slightly different times. In radio‚ multiple-input and multiple-output‚ or MIMO (commonly
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not only here in the United States but as well globally. Many people tend not to realize that latinos/latinas in the film industry have to settle for roles that have always been associated with their cultural backgrounds. In the “Latinos Beyond the Reel” it not only showed what latinos in the film industry have to deal with on a day to day basis just to have work. In many cases they are forced into these roles because the role of the hero or character that has the happy ever after endings are typically
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RESTRUCTURING SONY The electronics and media giant Sony was struggling through the late 1990s and early part of the 21st century. With each disappointment‚ it seemed that Sony’s management launched another restructuring of the company. By 2003‚ commentators were beginning to ask whether restructuring was part of the solution or part of the problem. How should Sony be managing its strategic renewal? Introduction For the first quarter ending 30 June 2003‚ Japan based Sony Corporation (Sony)2 stunned the
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Management Development Institute of Singapore & University of Bradford Diploma in Business Management Principals of Marketing & Production Management (DBMA9) Project Assignment November 2010 Marketing Report of High Definition Television (HDTV) Project Work by Group D Mohd Razali Mohd Sarip (16) Hamirulizam Abdul Hamid (10) Foad Khan Abdul Rahim (9) 1 TABLE OF CONTENTS Executive Summary…………………………………………………….. PAGE 04 Situation Analysis……………………………………………………….. PAGE 04 Political
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