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Linear network coding is a technique which can be used to improve a network 's throughput , efficiency and scalability , as well as resilience to attacks and eavesdropping , as compared to traditional methods of OSI model or TCP/IP model separation between network layers with physical layer working on principles of Shannon Information Theory .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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