Yohei Katayama

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Network virtualization platforms must support a variety of network devices and resources so as to accommodate multiple network architectures or applications with different features while the network devices in the platform should be capable of being scaled out for sustainable development. However, this flexibility makes the time needed for virtual network(More)
Current Web authentication methods have well-known weaknesses. Forms and cookies, which are most commonly used, have the long-standing privacy issue raised by tracking. URI sessions, which are used in some mobile services like i-mode 1.0, cause session adoption vulnerability. HTTP provides an access authentication framework, but it is rarely used because it(More)
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