未来互联网试验平台若干关键技术研究

发布时间：2018-03-25 08:06

本文选题：未来互联网试验平台　切入点：云计算　出处：《北京邮电大学》2014年博士论文

【摘要】：现有的网络架构已难以满足未来互联网发展的需求,迫切需要技术创新来推动发展。但是,任何新技术在部署和应用前,都必须经过严格的测试和验证。构建大规模的、真实的、可控的试验平台不仅是未来互联网研究的基础,也是对未来互联网本身探索和研究的一种途径。本文在深入调研未来互联网试验平台的发展现状的基础上,针对现有试验平台在基础设施共享、试验生命周期管理和网络可编程性存在的问题,综合运用云计算、语义网、软件定义网络等先进理论和技术,从体系架构、描述语言和可编程虚拟网络服务三个方面研究了未来互联网试验平台的关键技术,并初步完成了原型实现和应用验证。具体而言,本文的贡献与创新之处包括如下几个方面： 1.对国内外未来互联网试验平台进行了广泛深入调研,梳理了未来互联网试验平台的发展现状。在调研分析的基础上,对试验平台进行了系统归纳和分类,总结了现有试验平台存在的问题,并结合未来互联网技术的发展,探讨了未来互联网试验平台建设的发展趋势。 2.针对试验平台中试验服务与试验资源深度耦合,不同试验平台之间资源难以共享的问题,提出并设计了“试验即服务”的试验平台概念模型和基于基础设施云的技术架构。首先在分析平台功能、用户需求和底层设施特点的基础上,确定了平台设计的架构原则。然后借鉴云计算“一切皆服务”的思想,提出了“试验即服务”的概念模型。最后从技术实现的角度,提出了基于基础设施云的技术架构,并设计了其关键组件。 3.针对试验平台缺乏统一试验描述语言,难以实现试验的描述、组织、实施与回放等试验生命周期管理的问题,提出并设计了分层可演进的试验描述语言和基于试验描述语言的试验生命周期管理自动化机制。首先根据试验生命周期管理自动化的需求,提出了试验描述语言的设计原则。然后利用本体论和Web语义相关理论,提出并设计了一种分层可演进的未来互联网试验描述语言框架和实现方案。最后,基于所提出的试验描述语言框架,提出并设计了一种试验生命周期管理自动化机制。 4.针对传统网络试验平台难以进行新型网络协议等新技术验证的问题,提出了可编程虚拟网络服务PVN模型,并采用基于OpenFlow的软件定义网络技术,设计了一种灵活高效的PVN实现机制。首先扩展了现有云服务的概念,提出了可编程虚拟网络服务的模型。然后按照软件定义网络的逻辑架构,改进了现有基础设施云的网络架构。最后提出并设计了基于软件定义网络的可编程虚拟网络服务系统,并针对传统技术在虚拟网络隔离中扩展性和性能上的不足,提出了一种基于MAC的可编程虚拟网络隔离机制。 5.根据本文所提出的系统架构、试验描述语言和可编程虚拟网络服务实现机制,利用现有的云平台和OpenFlow技术,设计实现了一个可编程虚拟网络试验平台原型ProViNet,并进行了系统测试和试验验证。
[Abstract]:The existing network architecture has been difficult to meet the needs of the future development of the Internet, the urgent need to promote the development of technology innovation. However, any new technology in the deployment and application, must go through rigorous testing and validation. The construction of a large-scale, real, controllable test platform is not only the foundation of Internet research in the future, a way but also for the future of the Internet itself to explore and research.
Based on in-depth research of the Internet in the future development of the test platform, according to the existing test platform for sharing in infrastructure, testing life cycle management and network programming problems, the integrated use of cloud computing, semantic web, software defined network advanced theory and technology, from the architecture description language and programming the virtual network service three aspects to research the key technology of future Internet experimental platform, and completed the initial prototype and application verification. Specifically, the contribution and innovation of this paper includes the following several aspects:
1. on the future of the Internet test platform for a wide range of in-depth research, combing the development status of the Internet in the future test platform. Based on the analysis of the investigation of the experimental platform were summarized and classified, summarized the existing problems of the test platform, combined with the future development of Internet technology, discusses the future development trend of the Internet the test platform construction.
2. in depth test platform test and service test resources coupled problems to share resources between different test platform is proposed and designed the test platform model test as a service and technical architecture of cloud based infrastructure. First in the analysis of the function of the platform, the basic characteristics of the user demand and the underlying infrastructure, the the architecture of platform design principles. Then from the cloud computing "all services" thought, put forward the concept of "service model test". Finally, from the view of technique, put forward the technical infrastructure of cloud based architecture, and the design of its key components.
3. according to the test platform of the lack of unified test description language, it is difficult to achieve the test description, organization, implementation and playback test life cycle management problems, proposed and designed the test evolution hierarchical description language and description language based on the experimental test of life cycle management automation mechanism. Based on the experimental life cycle management automation needs, put forward the tests described the design principle of language. Then using ontology and semantic Web theory, and put forward the future of the Internet test a hierarchical evolutionary design description language framework and implementation scheme. Finally, the proposed test description language based on the framework, we propose and design a test automation lifecycle management mechanism.
4. the traditional network test platform to verify the new network protocols such as the problems of the new technology, proposed a programmable virtual network service PVN model, and the use of software defined network technology based on OpenFlow, designed a flexible and efficient mechanism. Firstly, PVN extended the concept of the existing cloud services, puts forward a programmable virtual network service model. Then according to the logical structure of software defined network, improve the existing infrastructure of the cloud network architecture. Finally, proposed and designed the software defined network programmable virtual network service system based on the traditional technology, and lack of scalability and performance in virtual isolation network, proposes a virtual programmable the network isolation mechanism based on MAC.
5. according to the system architecture proposed by this paper, test description language and programmable virtual network service realization mechanism, using the existing cloud platform and OpenFlow technology, the design and implementation of a programmable virtual network experiment platform prototype ProViNet, and the system testing and experiment.

【学位授予单位】：北京邮电大学
【学位级别】：博士
【学位授予年份】：2014
【分类号】：TP393.02

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