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The method of delivering the nat64 address prefix using the routing advertisement carrying option

A NAT64, ipv6 address technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of network application restrictions, inability to provide and distribute network configuration parameter information, etc., to achieve simple operation steps and good promotion and application prospects , to achieve easy results

Active Publication Date: 2016-02-10
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0016] The problem with the above existing technologies is that if there is no DHCPv6 server in an IPv6 network (for example, DHCPv6 technology is not supported in some networks), various network configurations including IPv6 addresses and their prefixes, DNS server information, and router information cannot be completed. The provision and distribution of parameter information greatly restricts network applications

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  • The method of delivering the nat64 address prefix using the routing advertisement carrying option
  • The method of delivering the nat64 address prefix using the routing advertisement carrying option
  • The method of delivering the nat64 address prefix using the routing advertisement carrying option

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[0038] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] There are two ways to deliver the NAT64 address prefix using the routing advertisement carrying option:

[0040] The first one is that the network of the target host accessed by the IPv6 source host is located on the IPv6 link, and does not need to be bridged through the IPv4 network, then the access process is the same as the prior art, and will not be described here.

[0041] The second kind is that the network of the target host accessed by the IPv6 source host is not located on the IPv6 link, or needs to be bridged through the IPv4 network. This situation is actually the problem to be solved by the present invention, which is the application scenario of the method of the present invention:

[0042] There is no Dynamic Host Configuration Protocol IPv6 ve...

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Abstract

A method for sending an IPv6 address to an IPv4 address to translate a NAT64 address prefix using a route advertisement carrying option, comprising the following steps: (1) setting the route advertisement to carry the set network address translation NAT data option, (2) sending Network configuration information, (3) query address, (4) synthetic address, (5) initiate session, (6) establish session. The present invention utilizes the inherent technology of IPv6——the sending of routing announcements in the Neighbor Discovery Protocol in the Internet Control Message Protocol, and the corresponding devices in all IPv6 subnets; uses the routing announcements to issue prefixes, and then synthesizes AAAA locally Class address, which reduces the requirement of user hosts for network service capabilities, and no longer has to rely on protocols such as DHCPv6 with complex technologies and high requirements for network service capabilities to support user hosts’ access to external network resources. Moreover, the operation steps of the method of the present invention are very simple and convenient, easy to implement, and have good prospects for popularization and application.

Description

technical field [0001] The present invention relates to a method for issuing a NAT64 address prefix using a route advertisement carrying option, to be precise, relates to a method for sending and receiving ICMPv6 messages in IPv6 technology, routing advertisement in a neighbor discovery protocol and its protocol stack related fields The content and the method for delivering the NAT64 address prefix from the IPv6 address to the relevant content of the IPv4 address translation NAT64 and the domain name mapping system DNS64 belong to the technical field of the TCP / IP protocol family, DHCPv6 related applications, and IPv6 transition technology. Background technique [0002] In the prior art, when a user host in an IPv6 subnet accesses an IPv4 resource on the Internet through a domain name, it must rely on a domain name server DNS (DomainNameServer) capable of querying Class A records, that is, IPv4 address information, and a A router that supports NAT64 (NetworkAddressTranslator...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L29/12H04L45/74
Inventor 赵钦黄小红张晓冬吴军张洁林晓伯闫屾王旭
Owner BEIJING UNIV OF POSTS & TELECOMM
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