Virtual machine dynamic migration security protection method

A security protection and dynamic migration technology, applied in the field of server software, can solve problems such as long downtime, large amount of data, and affecting the overall performance of the virtual machine migration time system, achieving flexible security protection and improving security

Inactive Publication Date: 2016-11-09
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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Problems solved by technology

[0007] The traditional security protection strategy for live migration of virtual machines is to encrypt all the data of the entire virtual machine, or to encrypt the network transmission channel. The amount of data processed is large and the downtime is long, which affects the migration time of the virtual machine and the overall system. performance

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  • Virtual machine dynamic migration security protection method

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Embodiment 1

[0020] The steps of the virtual machine dynamic migration safety protection method are as follows:

[0021] The importance of the information in the virtual machine is different, and the distribution is relatively concentrated, so the security of the protected objects can be classified. A virtual machine is a complete computer system running in a completely isolated physical hardware environment. The operating space is the same as that of a general computer system, and is divided into system space and user space. The valuable leaked information in the dynamic migration process mainly comes from user information, so the information of the entire virtual machine can be divided into user information and system information. Furthermore, user information can be divided more carefully due to different importance. Therefore, it is possible to classify protected objects and adopt different encryption methods, which is not only beneficial to information protection, but also improves d...

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Abstract

The invention discloses a virtual machine dynamic migration security protection method. The virtual machine dynamic migration security protection method comprises the following steps of adding a security level division module and an encryption module based on a traditional migration mechanism, performing level division and marking on information of an emigrated virtual machine by the security level division module, enabling a marked memory page to enter the encryption module, and performing encryption of a corresponding level on data by utilizing an encryption algorithm; and at an immigrated host end, performing decryption on the encrypted data to recover the virtual machine. The method has the following beneficial effects: 1) the virtual machine information is subjected to the level division, so that fine-granularity processing of data information is realized and the security protection is more flexible; 2) different encryption algorithms are adopted according to different importance degrees of the information, so that the encryption efficiency is improved while the data security is ensured; and 3) the encryption algorithm and the confidentiality level can be dynamically updated, so that the system migration security is improved.

Description

technical field [0001] The invention relates to the field of server software, in particular to a safety protection method for virtual machine dynamic migration. Background technique [0002] Virtualization technology is the basic core technology for realizing cloud computing services. This technology has good flexibility and controllability, can realize the free configuration of physical resources, and greatly improve the utilization rate of physical resources. Virtual machine dynamic migration refers to a technology that migrates a virtual machine from one host to another. During the migration process, the virtual machine does not interrupt the execution of the original instructions. It can realize load balancing, centralized management, and fault tolerance of computing clusters. and other functions. The current popular KVM virtualization migration technology is a Linux full virtualization solution based on hardware virtualization. The essence of the migration is to encaps...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/455G06F9/48
CPCG06F9/4856G06F9/45558G06F2009/4557G06F2009/45587
Inventor 李青
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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