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Research on Secure Communication Mechanism Based on VMX Virtual Machine

Author: HuangLiangLiang
Tutor: HanJun；LiuWei
School: PLA Information Engineering University
Course: Applied Computer Technology
Keywords: VMX virtual machine Virtual network Secure communications Secure Server
CLC: TP393.08
Type: Master's thesis
Year: 2010
Downloads: 145
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Abstract

With the advances in hardware technology components, systems, and application-level virtualization technology has made the all-round development. After 2005, Intel and AMD were released each hardware virtualization technology solutions, improved CPU and Memory performance in a virtual machine environment, and will spread to various proprietary operating system virtualization, but also accelerate the virtualization the development of the technology. Virtualization technology in high-speed development brought convenience to people at the same time, there are some security issues. Current Xen virtual machine has been initially achieved some security mechanisms, including Xen access to the the control module ACM virtualization Trusted Platform Module vTPM. But this does not solve all the virtualization security issues, but also some problems, including virtual machine inter-domain network communications, memory sharing and event channel, not a good security mechanism for control. This paper analyzes the rationale for VMX virtual machine technology, the focus of analysis VMX virtual machine communication technology. On this basis, the VMX virtual machine secure communication framework, key research and VMX virtual machine security communication mechanism to improve the security of communication between the VMX virtual machine virtual domain. Work and innovation of the main points are as follows: First, the virtualization technology and network security mechanisms. Including: Intel VT-x technology, Xend daemon, event channels, memory management and virtual NIC. Secondly, the VMX virtual machine security communication framework. In this paper, a secure communication framework VMX virtual machine client virtual domain into intranet virtual domain and Quarantine virtual domain two, authentication and security check module control settings on the critical path of the virtual domain communication. Finally, the researchers realized VMX virtual machine security communication mechanism. The secure communication mechanism mainly three major functional modules the virtualization security server, the authentication module and the security check module. Virtualization security server is responsible for the virtual domain management, security policy management and security determination to achieve the core functionality of the security controls, is the core module of the secure communications systems; authentication module is responsible for carrying out the communication of both sides before the identification of the virtual domain identity authentication the basis for secure communication; safety inspection module is inserted on the critical path of the VMX virtual machine communication range of security hook function checks, enabling virtual domain communication security control system.

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