Communicating method between IPv4 terminal and IPv6 terminal and

Details Communicating method between IPv4 terminal and IPv6 terminal and Communicating method between IPv4 terminal and IPv6 terminal and

1997-10-28

2000-09-12

Nguyen, Chau

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370466, 370392, H04L 1228, H04J 316

Patent

active

061187844

ABSTRACT:
In an apparatus, there are provided an IP transmitting and receiving unit for transmitting and receiving an IPv4 packet and an IPv6 packet; an IP header converting unit for performing a mutual conversion of the IPv4 packet and the IPv6 packet by an IP header conversion; a DNS substituting unit for receiving a domain information capturing request sent from an IPv4 terminal or an IPv6 terminal and substituting its process; an IPv4 address capturing unit for capturing an IPv4 address from a DHCP server; and an IP address conversion information holding unit for holding an IPv6 address of the IPv6 terminal and the IPv4 address captured by the IPv4 address capturing unit in correspondence to each other. Thus, a communication with the IPv4 terminal can be executed without preliminarily fixedly allocating the IPv4 address to the IPv6 terminal.

REFERENCES:
patent: 6038233 (2000-03-01), Hamadoto et al.
R. Callon, D. Haskin, Routing Aspects of IPv6 Transition, www.rfc-editor.org, Sep. 1999.
G. Tsirtsis, P.Srisuresh, Network Address Translation-Protocol Translation (NAT-PT), www.rfc-editor.org, Feb. 2000.
R.Coltun, D. Ferguson, J.Moy, OSPF for IPv6, www.rfc-editor.org, Sep. 1999.
Request for Comments (RFC) 791, 1034, 1541, 1883, 1884, 1886 and 1918 issued by Internet Engineering Task Force (IETF) in Sep. 1981, Nov. 1987, Oct. 1993, Dec. 1995, Dec. 1995, Dec. 1995, and Feb. 1996; respectively.

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