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Acquisition method and equipment for path maximum transmission unit (Pathmtu)

An acquisition method and user equipment technology, applied in the field of Pathmtu acquisition, can solve problems such as high consumption of intermediate routers and network links, and achieve the effect of saving equipment costs and network link bandwidth

Active Publication Date: 2015-04-15
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] If there are many PCs connected to the actual network, the intermediate router will send an ICMPv6Too Big message to each PC, which consumes a lot of intermediate routers and network links.

Method used

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  • Acquisition method and equipment for path maximum transmission unit (Pathmtu)
  • Acquisition method and equipment for path maximum transmission unit (Pathmtu)
  • Acquisition method and equipment for path maximum transmission unit (Pathmtu)

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Embodiment Construction

[0046] The present invention proposes a method for obtaining Pathmtu, which is applied to a system including user equipment, a website server, and an access management server. The user equipment may be multiple user equipment (such as PCs) that access the network through the same access equipment, And the website server can be the server of multiple portal websites; image 3 As shown, the Pathmtu acquisition method includes the following steps:

[0047] Step 301, the access management server obtains the Pathmtu between the user equipment and the website server.

[0048] In the present invention, the access management server can obtain the Pathmtu between the user equipment and the website server, and can dynamically update the Pathmtu between the user equipment and the website server, and the method of obtaining and updating will not be repeated in the present invention.

[0049] Step 302, the access management server notifies the Pathmtu to the user equipment.

[0050] Spec...

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PUM

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Abstract

The present invention discloses a Pathmtu acquisition method and equipment. The method includes: an access management server obtains the Pathmtu between a user equipment and a website server; the access management server notifies the user equipment of the Pathmtu, and the The user equipment uses the Pathmtu to access the website server. In the present invention, equipment overhead and network link bandwidth can be saved.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a Pathmtu acquisition method and device. Background technique [0002] Currently, IPv4 (Internet Protocol Version 4, Internet Protocol Version 4) addresses have been allocated. For operators, using IPv6 (Internet Protocol Version 6, Internet Protocol Version 6) technology has become a good solution. The length of an IPv6 address is 128 bits, and the address that can be allocated can be used for a long time. Therefore, IPv6 is the future development trend. [0003] IPv4 and IPv6 are very different in large packet fragmentation; in IPv4, for a packet from the source end to the destination end, each router in the middle will check whether the packet size is larger than the interface MTU (Maximum Transmission Unit, the maximum transmission unit, which is the maximum number of bytes that can be transmitted at one time when the network interface is not fragmented), if i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L29/12H04L47/36
Inventor 黄祥梨
Owner XINHUASAN INFORMATION TECH CO LTD