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Method and appts, for communicating data between IPv4 and IPv6

A communication method and ipv4-ipv6 technology, applied in the field of communication systems, can solve problems such as address shortage

Inactive Publication Date: 2003-12-24
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since the DHCPv6 server 140 must always have a global IPv4 address, such as figure 1 The conventional network system shown cannot fundamentally solve the problem of address shortage

Method used

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  • Method and appts, for communicating data between IPv4 and IPv6
  • Method and appts, for communicating data between IPv4 and IPv6
  • Method and appts, for communicating data between IPv4 and IPv6

Examples

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Embodiment Construction

[0016] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0017] figure 2 is a schematic diagram of a network system for IPv4-IPv6 communication according to an embodiment of the present invention. figure 2 The network system shown includes IPv6 local network 210 including IPv6 devices 212 , 214 , 216 and 218 and IPv4 network 230 including DNS 232 and IPv4 host 234 . Additionally, the network system includes DSPS 220 to relay communications between IPv6 devices 212 , 214 , 216 , and 218 of IPv6 local network 210 and IPv4 host 234 of IPv4 network 230 .

[0018] refer to figure 2 , the IPv6 devices 212 , 214 , 216 and 218 of the IPv6 local network 210 must use IPv6 applications. The DNS 232 of the IPv4 network 230 translates the domain name requested by the DSPS 220 into an IPv4 address. DSPS 220 queries from DNS 232 the IPv4 address corresponding to the URL (Uniform Resource Locator, Uniform Resource Locator) r...

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Abstract

An Internet Protocol version 4 (IPv4)-Internet Protocol version 6 (IPv6) communication method and apparatus for allowing an IPv6 home network to communicate with an IPv4 host are provided. In the IPv4-IPv6 communication method, upon receiving a web address from an IPv6 device of the IPv6 home network, an IPv4 address corresponding to the web address is inquired from a domain name system (DNS). Upon receiving the inquired IPv4 address, the IPv4 address is mapped to an IPv6 address. The mapped IPv4 / IPv6 addresses are stored, and a connection to the IPv4 host is set. Data of a web page corresponding to the web address is received from the connected IPv4 host. The received data of the web page is transmitted to the IPv6 device by referring to the mapped IPv4 / IPv6 addresses.

Description

technical field [0001] The present invention relates to a communication system between IPv4 (Inter Protocol version 4, Internet Protocol version 4) and IPv6 (Internet Protocol version 6, Internet Protocol version 6), in particular to a method for allowing IPv6 devices and IPv4 hosts in an IPv6 local network Method and apparatus for communication. Background technique [0002] An IPv6 Internet address has a size of 128 bits to expand access capabilities. In addition, IPv6 can process multimedia data in real time using a flow labeling function. IPv6 also has enhanced security capabilities to support authentication and data privacy. [0003] However, the current Internet network generally uses the IPv4 format, so in a local network, a device assigned an IPv6 address cannot use most of the Internet using the IPv4 format. Therefore, network systems for allowing current IPv6 networks to communicate with IPv4 protocols have been developed. [0004] figure 1 It is a block diagr...

Claims

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Application Information

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IPC IPC(8): H04L12/70H04L12/66H04L29/06H04L29/12
CPCH04L29/12066H04L69/16H04L69/167H04L61/251H04L29/06095H04L29/12358H04L29/1233H04L29/06142H04L61/1511H04L61/4511H04L61/25H04L12/66
Inventor 李在皇金永根李学求金善友
Owner SAMSUNG ELECTRONICS CO LTD
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