Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2011-01-25
2011-01-25
Vu, Huy D (Department: 2461)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
C370S401000
Reexamination Certificate
active
07876778
ABSTRACT:
A packet transfer apparatus connects two networks of different protocols. The packet transfer apparatus, connected to a first communication network and a second communication network, performs the steps of: storing first destination correspondence information; receiving a packet of the first communication protocol; based on the first destination correspondence information, determining destination information of a packet of the second communication protocol corresponding to destination information of the received packet of the first communication protocol; generating the header of the packet of the second communication protocol, based on the determined destination information of the packet of the second communication protocol; converting the received one or more packets of the first communication protocol into one or more packets of the third communication protocol; and adding the generated header of the packet of the second communication protocol to the packets of the third communication protocol.
REFERENCES:
patent: 2003/0219023 (2003-11-01), Miyata et al.
patent: 2005/0008020 (2005-01-01), Ashwood-Smith et al.
patent: 2005/0249205 (2005-11-01), O'Brien et al.
patent: 2001-189732 (1999-12-01), None
patent: 2004-260238 (2003-02-01), None
Office Action from the Japanese Patent Office, dated Jul. 7, 2009, in Japanese.
Ashi Yoshihiro
Endo Hideki
Kanno Takayuki
Takase Masayuki
Tanaka Akihiko
A. Marquez, Esq. Juan Carlos
Chery Dady
Hitachi , Ltd.
Stites & Harbison PLLC
Vu Huy D
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