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Method and device for transmitting information in IPv4 (Internet Protocol vision 4) network

A technology for transmitting information and networks, applied in the field of communications and networks, can solve problems such as unsatisfactory speed, TCP transmission bandwidth limitation, etc., and achieve the effect of extended functions

Inactive Publication Date: 2012-07-11
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, within 2 minutes, the maximum number of packets that can be sent is 2 16 , resulting in the limitation of TCP transmission bandwidth. When the MTU is 1500 bytes, the theoretical maximum performance of a TCP connection in IPv4 is 6.4Mbps, but this rate cannot meet the growing needs of people.

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  • Method and device for transmitting information in IPv4 (Internet Protocol vision 4) network

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Embodiment Construction

[0031] For the sake of clarity, the following first briefly introduces some English abbreviations or technical terms that appear in this article:

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] In the existing IPv4 protocol, the IPv4 header is defined as figure 1 It can be seen from the figure that the IP header includes: version number (Version), header length (Internet Header Length), service type (Type of Service), message total length (Total Length), IP message Identifier (Identification), flag fie...

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Abstract

The embodiment of the invention provides a method for transmitting information in an IPv4 (Internet Protocol vision 4) network. The method comprises the following steps of: setting an extended function instruction for a reserved marked field of an IP (Internet Protocol) head of a message, and sending the message; receiving the message, wherein the segmented offset field of the IP head of the received message carries extended function information corresponding to the extended function instruction, and the extended function information comprises an extended function type. According to the method and the device provided by the invention, more function instructions can be transmitted by using an IPv4 protocol, so that the IPv4 protocol function is extended. The embodiment of the invention further provides a device for transmitting information in the IPv4 network.

Description

technical field [0001] The present invention relates to the field of communication and network technologies, more specifically, to a method and device for transmitting information in a Pv4 network. Background technique [0002] The Internet Protocol Version 4 (IPv4) protocol is a technical standard formulated by the Internet Engineering Task Force (IETF) and is used to transmit packet packets in a packet network. [0003] The current IPv4 protocol has been very stable after years of application and development. However, technical personnel are studying many newly added functional features (ie, extended functional features) to improve the protocol functions of IPv4. The realization of many functional features depends on the cooperation of the protocol, that is, it is necessary to set instructions in the header of the IP message (IPHeader, that is, the IP header), so that all nodes on the path, or source IP nodes / destination IP nodes, This extended feature can be supported. ...

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Application Information

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IPC IPC(8): H04L12/56
CPCH04L29/0653H04L69/22
Inventor 崔翔嵩
Owner HUAWEI TECH CO LTD
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