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Method and device for redirecting virtual machine traffic

A virtual machine and redirection technology, which is applied in the field of data communication and can solve problems such as the inability to implement security protection technology.

Active Publication Date: 2018-06-19
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after the virtual machine is introduced, because the server has a built-in virtual switch VSwitch, the Layer 2 traffic forwarding between different virtual machines in the same VLAN will be switched and forwarded directly through the virtual switch VSwitch, which makes the current mature security protection technology unable to implement

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  • Method and device for redirecting virtual machine traffic
  • Method and device for redirecting virtual machine traffic
  • Method and device for redirecting virtual machine traffic

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Embodiment Construction

[0026] Please refer to figure 1 , the virtualization architecture of the server is to introduce a virtualization layer on the physical server, which is a middle layer virtualization software, which is mainly used to create a virtual machine (Virtual Machine, VM) and allocate reasonable hardware resources for the virtual machine, such as One or more cores in the CPU (that is, one or more complete computing engines integrated in the CPU) are allocated to the virtual machine 1 and so on. In terms of logical function, a virtual machine is no different from a traditional physical server. It has its own operating system and can install various applications on the operating system. After the physical servers in the data center are widely virtualized, security problems also arise accordingly. In computer network and software technology, any new function may have security issues and needs to be considered. Virtualization software is equivalent to introducing new security threats base...

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Abstract

The invention discloses a method and device for redirecting virtual machine traffic. By modifying the function module of the virtual switch, the interaction of Layer 2 traffic between different virtual machines in the same VLAN is dynamically monitored. When the Layer 2 traffic between different virtual machines in the same VLAN is monitored, the packets sent by the virtual machines are modified according to the pre-configured policies. VLAN allows packets to be redirected to external network security devices, thereby implementing security protection for Layer 2 traffic between different virtual machines in the same VLAN within the server.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a method and device for redirecting layer-2 traffic between different virtual machines in the same VLAN. Background technique [0002] Data centers generally include three main components: computing, networking, and storage, all of which are moving toward virtualization. Among them, the virtualization of servers as computing resources is one of the core technologies in cloud computing, and it is also the most mature virtualization technology at present. Due to the mismatch of server performance and network communication ports in traditional servers, server computing performance may be idle. The server virtualization technology can virtualize a single physical server into multiple virtual machines and install their own operating systems and applications independently, thereby effectively improving the utilization efficiency of the server's own hardware resources. [0003] Howev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/773H04L29/06
CPCH04L49/70H04L12/4666H04L12/4645G06F9/45558H04L12/4675G06F2009/45595
Inventor 孙松儿韩小平
Owner NEW H3C TECH CO LTD