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Method and device for sending router request message

A technology for requesting messages and sending methods, which is applied in the field of communication, and can solve problems such as long-term network delays increasing network loads, and achieve the effect of avoiding long-term network delays and increasing network loads

Active Publication Date: 2020-09-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a method and device for sending router request messages to solve the long-time network delay caused by packet loss events and the increased network load caused by a large number of hosts resending router request messages in the prior art

Method used

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  • Method and device for sending router request message
  • Method and device for sending router request message
  • Method and device for sending router request message

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0043] An embodiment of the present invention provides a method for sending a router request message, such as figure 1 As shown, the sending method includes:

[0044] Step S101, sending a router solicitation message to a router.

[0045] Among them, the "send a router solicitation message to the router" mentioned here not only refers to the host sending the router solicitation message to the router for the first time, but also includes the host not receiving the router solicitation message sent by the router within a certain period of time after sending the router solicitation message. A router solicitation message that is resent to a router to advertise a message.

[0046] Step S102 , if the router does not receive the router advertisement message sent by the router within a preset time value after sending the router solicitation message, resend the router solicitation message until the host receives the router advertisement message.

[0047] In order to enable the host to ...

no. 2 example

[0093] An embodiment of the present invention provides a device for sending a router request message, such as Figure 4 As shown, the sending device includes:

[0094] A sending module 401, configured to send a router solicitation message to a router.

[0095] Wherein, the sending module 401 here sends a router solicitation message to a router, which not only refers to the host sending a router solicitation message to the router for the first time, but also includes that the host does not receive the router advertisement message sent by the router within a certain period of time after sending the router solicitation message. And resend the router solicitation message to the router.

[0096] The retransmission module 402 is configured to resend the router solicitation message until the host receives the router solicitation message when the router does not receive a router advertisement message that responds according to the router solicitation message within the preset time va...

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PUM

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Abstract

Embodiments of the present invention provide a method and device for sending a router solicitation message, which relate to the field of communication technology, wherein the sending method includes: sending a router solicitation message to a router; within a preset time value after sending the router solicitation message, if If the router advertisement message sent by the router is not received, the router solicitation message is resent until the host receives the router advertisement message; wherein, the preset time values ​​after two adjacent sending of the router solicitation message are different. The technical solution provided by the embodiment of the present invention can continuously resend the router solicitation message when a packet loss event occurs, until the host receives the router advertisement message, and at the same time controls the time interval between two adjacent router solicitation messages to avoid a large number of hosts from simultaneously sending Routers request messages and increase network load.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for sending a router request message. Background technique [0002] The Neighbor Discovery Protocol is a basic component of the IPv6 protocol (Internet Protocol Version 6, Internet Protocol Version 6), which implements the router discovery part in the Address Resolution Protocol (ARP) and the Control Message Protocol (ICMP) in IPv4 , All functions of the redirection protocol, and has a neighbor unreachable detection mechanism. However, in the neighbor discovery protocol, there is no corresponding processing method for the packet loss of the router solicitation message, so in some network application scenarios, the protocol has corresponding inherent defects. For example, a home gateway connected to an Ethernet bridge, when the WAN (Wide Area Network, wide area network) port has not been activated, after resending the initial router solicitation message...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/801H04L12/823H04L12/841H04L47/32
CPCH04L45/26H04L47/10H04L47/283H04L47/32
Inventor 黄志忠
Owner ZTE CORP
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