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Internetwork protocol and method for setting main machine address and selecting source address

An Internet protocol, host address technology, applied in the field of communication systems, can solve problems such as identification difficulties

Inactive Publication Date: 2003-11-05
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When considering Mobile IPv6, hosts incur overhead due to address configuration
In addition, there is a problem when an IPv6-based host conventionally selects a source address, that is, as a feature of IPv6, when several IPv6 addresses are set for an interface, since the IPv6-based host is in the process of identifying which address should be selected as the source address Difficulty, major problems can occur

Method used

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  • Internetwork protocol and method for setting main machine address and selecting source address
  • Internetwork protocol and method for setting main machine address and selecting source address
  • Internetwork protocol and method for setting main machine address and selecting source address

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Embodiment Construction

[0040] Now, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, detailed descriptions of incorporated known functions and configurations are omitted when not required to clarify the subject matter of the present invention.

[0041] The device in the embodiment of the present invention includes an IPv6-based host and a router for supporting IPv6 and announcing a network prefix for configuring a global IPv6 address. According to this embodiment of the present invention, a modified IPv6 stack implemented as a multihomed host is installed in the host, which is capable of creating and setting addresses for virtual interfaces.

[0042] As mentioned above, embodiments of the present invention employ the concept of multi-homed hosts. A multihomed host means any host with more than one network prefix. In other words, a multihomed host means a host that connects to several networks using ...

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Abstract

A method of setting the address of a host in an Internet protocol based communication system, comprising the steps of: allowing a host to create a label shorter than a network prefix, the label representing the network prefix; allowing a router to incorporate the label replacing the network prefix into an RA (Router Advertisement) message and send the RA message to the host; allow the host to receive the RA message to read the tag and determine if the read tag matches the tag in the host's prefix information table; if the read tag matches the tag in the prefix information table, allow The host selects and activates the interface identifier corresponding to the label of the prefix information table and acquires the global IPv6 (Internet address, version 6) address corresponding to the activated interface identifier as the host address.

Description

technical field [0001] The present invention relates to a communication system, more specifically a communication system based on IPv6 (Networking Protocol, Version 6) and a method for setting addresses and efficiently selecting source addresses when IPv6-based hosts (nodes) move between host networks method. Background technique [0002] In the Request for Comments (RFC) 2460 (obsolete: 1883) standard, IPv6 (Internet Protocol, version 6) supports its own mobility. In the IPv6 specification, a global address can be directly created through ND (Neighbor Discovery), AAC (Address Auto Configuration), and DAD (Duplicate Address Detection) mechanisms. In other words, IPV6 accommodates concepts such as Mobile Internet Protocol, HA (Home Agent), CoA (Conservation of Address) associated with local networks. All hosts should support AAC and ND mechanisms. The outlines of these mechanisms are described below. [0003] ND mechanism [0004] The ND mechanism points to ARP (Address ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28G06F13/00H04L12/46H04L12/70
CPCH04L45/50H04L45/54H04L12/28H04L45/02
Inventor 高银淑韩荣燮
Owner SAMSUNG ELECTRONICS CO LTD
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