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A method and device for realizing ipv6 prefix allocation

A prefix allocation and prefix technology, applied in the field of communication, can solve problems such as instability, impact of device interoperability, increase of device implementation and operation overhead, etc., achieve stable and robust operation, simple implementation method, and solve interoperability problems between devices Effect

Active Publication Date: 2016-02-24
BINZHOU DAYOU NEW ENERGY DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition to the ND protocol suite itself, the above-mentioned existing user site IPv6 prefix allocation method needs to introduce additional mechanisms. The coexistence of multiple mechanisms has a serious impact on the interoperability between devices; in addition, it also increases the cost of device implementation and operation. and bring about instability

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  • A method and device for realizing ipv6 prefix allocation
  • A method and device for realizing ipv6 prefix allocation
  • A method and device for realizing ipv6 prefix allocation

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Embodiment Construction

[0039] Overall, it is possible to figure 1 settings shown. see figure 1 , figure 1 A device diagram for realizing IPv6 prefix distribution according to an embodiment of the present invention, the device includes:

[0040] Functional entities located on PE:

[0041] read module;

[0042] processing module;

[0043] sending module;

[0044] And, the functional entities located on the CPE:

[0045] receiving module.

[0046] In a specific application, the reading module in the PE is used to receive the RS message from the peer CPE, and read information such as the source address in the message, and then hand over the obtained information to the processing module for further processing.

[0047] The processing module can determine whether and how to select the IPv6 prefix according to the received RS message information, and can place the selected IPv6 prefix in the prefix information option (PrefixInformationOption, PIO) field of the RA message, and set the PIO field The...

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Abstract

The invention discloses a method and a device for realizing IPv6 prefix allocation, which can place the allocated IPv6 prefix in the PIO field in the router advertisement message, and set the IPv6 prefix allocation identifier in the router advertisement message; the IPv6 prefix will be carried The router advertisement message of the prefix and the IPv6 prefix allocation identifier is sent to the IPv6 prefix requester. The method and device for realizing IPv6 prefix allocation in the present invention provide a simple operation idea based on ND protocol to complete user site IPv6 prefix allocation, no additional mechanism is required, and the implementation method is simple, thereby solving various allocations in network deployment The interoperability problem between devices introduced by the mechanism reduces the overhead of the device, making the operation more stable and robust.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for realizing IPv6 prefix (Prefix) allocation. Background technique [0002] The rapid development of the Internet and the rapid expansion of the scale make the existing IPv4 face many problems in scalability, such as insufficient address space and so on. Therefore, people developed IPv6 to solve the above problems. [0003] The Neighbor Discovery Protocol (NeighborDiscoveryProtocol) in the IPv6 protocol suite can be referred to as the ND protocol for short. It can be used to complete functions such as host IPv6 address configuration, address resolution, and router discovery. It is easy to implement and greatly simplifies network deployment. [0004] In the deployment scenario of IPv6, for the customer site (Customer's Sites), the customer premises equipment (CPE) as its gateway needs to apply for IPv6 from the provider edge equipment (ProviderEdgedevice, PE) on the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L12/751H04L45/02
Inventor 秦超蔡磊
Owner BINZHOU DAYOU NEW ENERGY DEV
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