基于SDN的車聯(lián)網(wǎng)信息交互
[Abstract]:Today, many aspects of the classic architecture of the Internet have become inevitable, also known as Internet ossification, which has become a major obstacle to the development of Internet technology. Many solutions have been proposed, such as improving intra-domain and inter-domain routing to improve network reliability, providing end-to-end links to users, and providing new applications (such as data centers, cloud computing, etc.) Network virtualization) provides dynamic quality of service management for network resources. To meet these needs, the next generation architecture of the future Internet will introduce the concept of software defined network. Different from the existing distributed control module, the core of this new way is to separate and centralize the control module from the forwarding module. This decoupling method can make the software components in the control module on the computer platform more effective and more advantageous than the traditional network equipment. It also protects the data and intellectual property rights of suppliers of these devices. At present, SDN (Software Defined Network (SDN) has received close attention from academia and industry. This paper introduces SDNs from different angles, including the use cases and related standardization of SDN, the advantages and disadvantages of centralized SDN model and distributed SDN model, as well as the challenges and opportunities of evolution to hybrid SDN model. Car networking is the only way for mobile Internet to develop to business essence and depth. It is a fusion technology for the future development of information communication, environmental protection, energy saving, security and so on. However, due to the imperfection of its own technology, there are still many problems to be solved, such as the delay and success rate in the process of information interaction. This paper focuses on spectrum planning and data storage and retrieval in vehicle networking. For spectrum planning, spectrum sensing and spectrum prediction are realized by means of software definition, so as to improve the success rate of data transmission, and Lucene full-text retrieval is used to achieve efficient data storage and retrieval. By using software definition technology, the efficiency of data transmission can be improved, the possibility of data transmission conflict can be reduced, and the security of vehicle networking can be ensured. Furthermore, this paper verifies and perfects the network technology by software definition in the simulation environment, and applies the SDN technology to the information exchange of the vehicle network, which proves the effectiveness of SDN successfully. Finally, the development and application of SDN and the security challenges and opportunities of SDN are discussed. Through the introduction of different angles, the development and application prospect of SDN are expounded and analyzed.
【學(xué)位授予單位】:青島大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U495
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