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Linux-based distributed switch device virtualization technology research

Author: LiuWei
Tutor: XiaoLiang
School: Nanjing University of Technology and Engineering
Course: Computer technology
Keywords: Distributed Switch Virtual Device Virtualization Management Process communication Modular design
CLC: TP393.05
Type: Master's thesis
Year: 2012
Downloads: 59
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Abstract

Internet as of today is very common information infrastructure, has gradually penetrated into people's daily life, the development of information technology, network-centric gradually. Today's networks from the traditional form of a single service gradually to multi-service, intelligent development of complex networks, and thus be able to effectively support the diversity of different network users or applications service needs. The rapid development of the network under the premise of maximum utilization of resources, improve equipment become a critical issue, the network device virtualization is inevitable. Make a physical network device into multiple logically separate network devices and can provide a variety of services, network and communications sector has been in pursuit of the goal. Goal of this paper is to design and implement the same switch device platforms provide multiple virtual switch device dynamic system and its key technologies, especially virtualization technology distributed a detailed study. This article is intended to achieve the basic functions of the virtual switch, but does not involve any specific exchange business. This article is to switch the device software platform based on Linux, virtualization technology is the use of operating system-level virtualization. In this paper, OpenVZ technology and equipment distributed environment conducted in-depth research, thus completing the equipment distributed mode virtualization. Specifically, put a distributed virtual switch device into multiple virtual devices, so that each virtual device the user is a stand-alone device. Distributed switching equipment containing multi-block veneer, such as control panel and service boards, each board has its own CPU, memory and other hardware interfaces and resources. The main works are: 1) studied based on the OpenVZ distributed switch architecture operating system-level virtualization technology, gives a distributed switch virtualized multi-CPU computing, communications, file systems and processes of design and process treatment. 2) gives a distributed virtual switch architecture, from virtualization management, order processing and other aspects of the modular design and implementation. 3) gives a distributed virtual switch functionality modular test. Testing showed that: the design of distributed virtual switches have to create, delete, start, stop and resource allocation functions. To be able to expand in a distributed virtual switch exchange business. Distributed virtual switch device enabling the device for multiple users, which greatly increased the device resource utilization, reducing network operating costs.

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