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A cross-network segment host communication method, device and system

A communication method and cross-network segment technology, applied in the field of cross-network segment host communication methods, devices and systems, can solve the problems of low communication efficiency and complicated configuration of cross-network host hosts, so as to improve efficiency, timely and fast response, and improve processing speed effect

Active Publication Date: 2019-03-01
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a cross-network segment host communication method, device and system to overcome the problems of complicated configuration of cross-network segment host communication and low communication efficiency between cross-network segment hosts in the related art

Method used

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  • A cross-network segment host communication method, device and system
  • A cross-network segment host communication method, device and system
  • A cross-network segment host communication method, device and system

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Embodiment Construction

[0050] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention, and in the absence of conflict, the present invention The embodiments and the features in the embodiments can be combined with each other.

[0051] Such as figure 2 As shown, it is a schematic diagram of a system for host communication across network segments in an embodiment of the present invention. In this system:

[0052] The SDN controller is connected to the Ethernet switch and manages the OpenFlow switch through the Ethernet switch; the OpenFlow switch is connected to the Ethernet switch connected to the SDN controller and connected to the host, and is used to report the ARP request message and the SDN controller to the SDN controller. / or ARP response messag...

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Abstract

The invention relates to the technical field of communication, and provides a cross-network-segment host communication method, device and system. The method comprises the steps that an ARP request message reported by an OpenFlow switch is received; when it is determined that a source IP and a destination IP in the ARP request message belong to different network segments, an MAC address corresponding to the destination IP in the ARP request message is determined; through the proxy MAC address of the destination IP, an ARP response message is constructed, and the ARP request message is replied, so that a source host is in communication with a destination host through the obtained proxy MAC address. Through the method, cross-network-segment host communication configuration can be simplified, and cross-network-segment host communication efficiency can be improved.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a communication method, device and system for hosts across network segments. Background technique [0002] Hosts in the network need to communicate. The host that first initiates communication can be called the source host, and the host that is required to communicate can be called the destination host. The existing network is divided according to network segments, for example, the IP (Inernet Protocol, Internet Protocol) address range of network segment A is "192.168.1.1 / 24~192.168.1.254 / 24", and the IP address range of network segment B is "192.168.2.1 / 24~192.168.2.254 / 24", then network segment A and network segment B are cross-segment networks. Each network segment can contain at least one host, and hosts on different network segments can be called cross-segment hosts. For example, host A1 in network segment A and host B1 in network segment B are mutually cross-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/06
CPCH04L61/103
Inventor 陈启昌
Owner RUIJIE NETWORKS CO LTD