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Implementation of expandable IP network based on source routing

An IP network and routing technology, applied in the direction of network connection, electrical components, transmission systems, etc., can solve the problems of high implementation cost, lack of IP network addresses, slow progress, etc., to achieve the effect of simple expansion and transition problems and sufficient IP address resources.

Active Publication Date: 2010-06-02
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0026] Due to the lack of current IP network addresses, the Internet industry has made a lot of efforts to try to solve this problem, such as NAT / NAPT, IPv6, etc. mentioned above, but the progress is slow due to obvious defects or excessive implementation costs

Method used

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  • Implementation of expandable IP network based on source routing
  • Implementation of expandable IP network based on source routing
  • Implementation of expandable IP network based on source routing

Examples

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Embodiment Construction

[0055] Such as figure 1 As shown, the entire scalable IP network as an example includes a public IP address domain, two private IP address domains A and B, and public-private address domain boundary points.

[0056] The IP nodes contained in the public IP address domain all have legal public IP addresses, and all legal public IP address nodes should belong to the public IP address domain. The public IP address domain is the existing global Internet, and the IP nodes and routing mechanisms used in it remain unchanged. as in figure 1 Among them, the IP nodes S2 and D2 are both located in the public IP address domain, and their addresses are the public IP addresses Addr S2 and Addr D2 .

[0057] The IP nodes included in the private IP address domain all use private IP addresses, and all nodes using private IP addresses should belong to the private IP address domain. The private IP address domain is similar to some existing regions or enterprise IP networks that use private a...

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Abstract

The present invention relates to the realization of extensible IP network based on the source route, more specifically, an extensible IP network comprising a public domain, a private domain and a border point gateway for public and private domain which connects with the two fields. The present invention relates to the method of determining the IP network node position and transmitting the data package by using the optional source route and the node positioning method. The present invention realizes the flexible extension of IP network, solves the insufficient problem of the existing network address, and does not need to carry out the large modification to the existing network.

Description

technical field [0001] The present invention relates to the realization of scalable IP network based on source routing. Specifically, it relates to a scalable IP network, which has a public address domain, a private address domain, and a public-private address domain boundary point gateway connected between the two; it also relates to a method for determining the location of an IP network node in the network method, and a method of forwarding packets utilizing source routing options and the node location method described above. Background technique [0002] No one in the early days of the Internet could have imagined that today's web would grow to such a large scale. Addressing the Internet's address crisis was on the agenda long before the 1990s, when it was predicted that the Internet's resources would soon be allocated. Later, the emergence of private private network solutions, dynamic address allocation technology, VLSM (Variable Length Subnet Mask) technology, CIDR (C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L12/66
Inventor 刁永平
Owner CHINA TELECOM CORP LTD
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