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[Author] Takeshi UMEZAWA(2hit)

1-2hit
  • Personal Network Construction System Using Mobile Phones

    Takeshi UMEZAWA  Kiyohide NAKAUCHI  Masugi INOUE  Takashi MATSUNAKA  Takayuki WARABINO  Yoji KISHI  

     
    PAPER

      Vol:
    E94-B No:3
      Page(s):
    630-638

    Despite the recent advances in personal communication devices and access network technology, users still face problems such as high device maintenance costs, complication of inter-device cooperation, illegal access to devices, and leakage of personal information. Consequently, it is difficult for users to construct a secure network with local as well as remote personal devices. We propose a User-driven Service Creation Platform (USCP), which enables users to construct a secure private network using a simple and intuitive approach that leverages the authentication mechanism in mobile phone networks. USCP separates signaling and data paths in a flat, virtual network topology. In this paper, we describe the basic design of USCP, the current implementation, and system evaluations.

  • Design Guidelines for New Generation Network Architecture

    Hiroaki HARAI  Kenji FUJIKAWA  Ved P. KAFLE  Takaya MIYAZAWA  Masayuki MURATA  Masaaki OHNISHI  Masataka OHTA  Takeshi UMEZAWA  

     
    LETTER

      Vol:
    E93-B No:3
      Page(s):
    462-465

    Limitations are found in the recent Internet because a lot of functions and protocols are patched to the original suite of layered protocols without considering global optimization. This reveals that end-to-end argument in the original Internet was neither sufficient for the current societal network and nor for a sustainable network of the future. In this position paper, we present design guidelines for a future network, which we call the New Generation Network, which provides the inclusion of diverse human requirements, reliable connection between the real-world and virtual network space, and promotion of social potentiality for human emergence. The guidelines consist of the crystal synthesis, the reality connection, and the sustainable & evolutional guidelines.