Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2005-10-13
2010-12-21
Korzuch, William R (Department: 2431)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C710S020000
Reexamination Certificate
active
07856559
ABSTRACT:
A module type node apparatus for packet communication of this invention includes an extension module for executing predetermined processing and a node apparatus main body for forwarding packet data to the extension module, the extension module including a memory for storing connectivity authentication data, and a module controller for transmitting the connectivity authentication data stored in the memory to the node apparatus main body for packet communication when the connectivity authentication data is requested from the node apparatus main body for packet communication, the node apparatus main body for packet communication being characterized by further including a connectivity authentication unit for authenticating permission of connection of the extension module based on the connectivity authentication data received from the extension module, and a connection controller for receiving the packet data from the extension module when the connectivity authentication unit permits the connection.
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Kunihiko Toumura et al., “Study of Modular IP Node Architecture”, IECE Technical Report, The Institute of Electronics, Information and Communication Engineers (IEICE), Nov. 13, 2003, vol. 103, No. 442, pp. 59-62, in Japanese with English translation.
Office Action from Japanese Patent Office dated Jan. 19, 2010, in Japanese.
Okita Hideki
Suzuki Toshiaki
Toumura Kunihiko
Hitachi , Ltd.
Korzuch William R
Marquez, Esq Juan Carlos A.
Stites & Harbison PLLC
Vaughan Michael R
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