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Retransmission control method for IP (Internet Protocol) message and equipment thereof

A technology of IP message and control method, applied in the field of communication, can solve the problem that IP-based end-to-end control cannot be realized.

Active Publication Date: 2014-09-10
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides an IP message forwarding control method and its equipment, which are used to solve the problem that the existing IP message forwarding control technology cannot realize IP-based end-to-end control

Method used

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  • Retransmission control method for IP (Internet Protocol) message and equipment thereof
  • Retransmission control method for IP (Internet Protocol) message and equipment thereof
  • Retransmission control method for IP (Internet Protocol) message and equipment thereof

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Embodiment Construction

[0049] In view of the above-mentioned problems existing in the prior art, the embodiments of the present invention use the encapsulation idea of ​​IP-in-IP tunnel to improve the existing IP message format, that is, insert the control header after the IP header of the existing IP message, The control packet header carries IP packet forwarding control information, and correspondingly enables network devices that need to perform IP packet forwarding control to The information controls the forwarding of the IP message, so as to realize the IP-based end-to-end control during the forwarding process of the IP message.

[0050] Since the embodiment of the present invention utilizes the encapsulation idea of ​​the IP-in-IP tunnel, the encapsulation of the IP-in-IP tunnel will be briefly introduced below first.

[0051] Many data link layers and the hardware running on their bottom layer have limitations on the maximum frame length that can be transmitted. This limitation is called the ...

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PUM

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Abstract

The invention discloses a retransmission control method for an IP (Internet Protocol) message and equipment thereof. The method comprises the steps that first network equipment sends the IP message which comprises an IP packet header and a control packet header positioned at the rear of the IP packet header; the IP packet header identifies the IP message as an IP-in-IP wrapped message; the control packet header carries retransmission control messages; and if second network equipment recognizes that the IP message is the IP-in-IP wrapped message and the packet header at the rear of the IP packet header is a control packet header according to the IP packet header of the IP message during the route process of the IP message, the second network equipment controls the retransmission of the IP message according to retransmission control messages carried in the control packet header of the IP message. By adopting the method, the IP-based terminal-to-terminal control to the IP message can be realized.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an IP message forwarding control method and equipment thereof. Background technique [0002] In the IP protocol, the IP message is forwarded through the destination address in the packet header. By searching the routing table of the three-layer forwarding device, the longest match of the destination address is performed, and then the outgoing interface of the message is confirmed for forwarding. In ordinary IP forwarding, technologies such as ACL (Access Control List, Access Control List), QoS (Quality of Service, Quality of Service), and deep packet inspection can be used to check packets on each hop of the three-layer forwarding path. to process. [0003] In order to perform better control, the requirements for fine-grained processing of IP packets are getting higher and higher. The fine-grained processing of IP packets requires a clear judgment on the identification, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L29/06H04L12/46
Inventor 乔肖桉
Owner XINHUASAN INFORMATION TECH CO LTD
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