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A communication method and device

A communication method and the same technology, applied in the field of communication, can solve the problem that the host cannot perform data communication based on the LAN

Inactive Publication Date: 2020-11-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This application provides a communication method and device to solve the problem in the prior art that a host that indirectly accesses a mobile network through a terminal cannot perform data communication based on a local area network

Method used

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  • A communication method and device

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Embodiment Construction

[0112] The application will be described in further detail below in conjunction with the accompanying drawings.

[0113] Among existing local area network technologies, a virtual extended local area network (Virtual Extensible LAN, VxLAN) technology is a rapidly developing technology. VxLAN is a network virtualization technology. As long as the physical network supports Internet Protocol (IP) forwarding, all terminals with reachable IP routes can establish a large-scale Layer 2 network technology. VxLAN does not maintain a long connection between virtual machines, so VxLAN needs a control plane network element to record the reachability of the peer address. Nodes in VxLAN do not periodically exchange their routing tables. For unknown addresses, VxLAN relies on multicast to obtain path information. Specifically, after a virtual machine (Virtual Machine, VM) joins VxLAN, it broadcasts an address resolution protocol (Address Resolution Protocol, ARP) request message in VxLAN, an...

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Abstract

The present application discloses a communication method and device, wherein the method includes: the first terminal receives the first routing information sent by the control plane CP network element, the first routing information indicates the address information of the first host, and the first A host is a host that accesses a second terminal, and the second terminal is in the same mobile local area network as the first terminal, and the first routing information is obtained by the first host after accessing the second terminal. determined by the CP network element; the first terminal communicates with the first host according to the first routing information.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0002] With the emergence of emerging enterprise office models and smart home models, wired local area networks and wireless local area networks (WLAN) have shown their deficiencies in flexibility, mobility, and coverage. , LAN) technology re-development, in order to meet the needs of future applications on the LAN. The mobile network utilizes its own wide coverage characteristics. If a LAN is directly built in the mobile network, it can provide LAN services available anytime and anywhere. [0003] The existing solution of using mobile network to construct LAN is to draw on the idea of ​​Packet Data Network (PDN), and the terminals belonging to the same LAN carry special Access Point Name (APN) identification and cell information to initiate an attachment request , the control plane (Control Plane, CP...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W84/12
CPCH04W48/16H04W84/12H04L12/28H04W84/02H04L65/40
Inventor 王园园王岩
Owner HUAWEI TECH CO LTD