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CGN inter-board load sharing method and device

A load sharing and board-to-board technology, applied in the field of data processing, can solve problems such as the inability to achieve load balancing of CGN boards

Active Publication Date: 2019-08-02
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In related technologies, when the above-mentioned network equipment includes multiple CGN boards, generally one of the CGN boards is designated to perform NAT conversion on messages sent from the public network to the intranet, and only the designated CGN board participates in the process work, but other CGN boards do not participate, and load balancing between CGN boards cannot be achieved

Method used

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  • CGN inter-board load sharing method and device
  • CGN inter-board load sharing method and device
  • CGN inter-board load sharing method and device

Examples

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Embodiment Construction

[0022] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0023] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood...

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Abstract

The invention provides a CGN inter-board load sharing method and device. The method comprises the following steps of receiving a first message copied and sent by a network side service board, whereinthe first message is copied and sent when the network side service board detects that the first IP address of a first message received by a network side interface is the same as the public network IPaddress of a locally configured network address translation service NAT server, and the first IP address is a destination IP address of the first message; if a session table item matched with the first message does not exist locally, carrying out NAT conversion on the first IP address of the first message to obtain a second IP address, wherein the second IP address is the IP address of the user side equipment; determining a target CGN board of the first message according to the second IP address, judging whether the board is the target CGN board or not, and if not, discarding the first message; and if yes, forwarding the first message to the user side service board. Therefore, the load sharing between the CGN boards can be more balanced.

Description

technical field [0001] The present disclosure relates to the technical field of data processing, and in particular, to a method and device for load sharing between CGN boards. Background technique [0002] For network devices deployed on the intranet, such as servers, their addresses are intranet addresses, but it is hoped that public network devices can access the server through a public network address. At this time, NAT (Network Address Translation, Network Address Translation) processing can be performed Configure a NAT server on the network device, and then use the network device to translate the public network address and the private network address for the message sent from the public network to the internal network. [0003] In related technologies, when the above-mentioned network equipment includes multiple CGN boards, generally one of the CGN boards is designated to perform NAT conversion on messages sent from the public network to the intranet, and only the desig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803H04L29/12
CPCH04L47/125H04L61/2503
Inventor 章靠
Owner XINHUASAN INFORMATION TECH CO LTD
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