本文關(guān)鍵詞： 未來教室 網(wǎng)絡(luò)接入 交換機(jī) SSH協(xié)議 TCP連接　出處：《華中師范大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著互聯(lián)網(wǎng)和各種新興技術(shù)的蓬勃發(fā)展,未來教室的構(gòu)建作為教育行業(yè)信息化的一個(gè)重要領(lǐng)域,逐漸引起國內(nèi)外的廣泛關(guān)注和討論。目前,各種智能化的軟硬件設(shè)施在教育領(lǐng)域的應(yīng)用越來越廣泛。本文討論了未來教室中網(wǎng)絡(luò)接入管理系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn),旨在創(chuàng)建一個(gè)方便易用又安全可靠的網(wǎng)絡(luò)接入管理系統(tǒng)。它采用了基于SSH安全協(xié)議的方案,以HTTP API為控制接口,JSON數(shù)據(jù)為數(shù)據(jù)傳輸形式,既保證了系統(tǒng)的安全性,又兼顧了易用性、可擴(kuò)展性。本文首先分析了信息時(shí)代我國教育事業(yè)的發(fā)展?fàn)顩r,討論了傳統(tǒng)多媒體教室在教學(xué)中的困境。其次在廣泛的聽取了專家、學(xué)者對于未來教室的探索和構(gòu)思的基礎(chǔ)上,分析了未來教室的概念和特征以及未來教室中的網(wǎng)絡(luò)環(huán)境。最后介紹了本文主要的研究工作和章節(jié)安排。其次,對幾種常用網(wǎng)絡(luò)協(xié)議進(jìn)行了分析,并比較了它們的安全性。其中重點(diǎn)分析了SSH協(xié)議的體系結(jié)構(gòu)、工作流程、安全性等問題。通過安全性的對比,確定了采用SSH協(xié)議建立的安全通道來完成數(shù)據(jù)的通信。最后,對系統(tǒng)進(jìn)行了需求分析和詳細(xì)設(shè)計(jì),完成了系統(tǒng)的開發(fā)架構(gòu)和功能模塊劃分。并對系統(tǒng)中所要使用的關(guān)鍵技術(shù)進(jìn)行了分析,包括TCP連接、Libssh2函數(shù)庫、JSON數(shù)據(jù)格式。隨后,在第4章具體實(shí)現(xiàn)了系統(tǒng)的各個(gè)功能模塊,包括登錄功能、查看交換機(jī)狀態(tài)、有線網(wǎng)絡(luò)管理、無線網(wǎng)絡(luò)管理、顯示CPU及內(nèi)存使用率信息和查看日志文件的功能。本文詳細(xì)地?cái)⑹隽宋磥斫淌抑芯W(wǎng)絡(luò)接入系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn),特別是基于SSH協(xié)議的遠(yuǎn)程登錄管理,對于提高未來教室中網(wǎng)絡(luò)的安全性,和終端設(shè)備的遠(yuǎn)程集中管理有一定的指導(dǎo)意義。
[Abstract]:With the rapid development of the Internet and various new technologies, the construction of future classrooms, as an important field of education information, has gradually aroused widespread concern and discussion at home and abroad. Various intelligent hardware and software facilities are more and more widely used in the field of education. This paper discusses the design and implementation of the network access management system in the future classroom. In order to create a network access management system which is easy to use and safe and reliable, it adopts a scheme based on SSH security protocol and uses HTTP API as the control interface. JSON data is the form of data transmission, which not only ensures the security of the system, but also takes into account the ease of use and scalability. Firstly, this paper analyzes the development of education in the information age. The difficult position of traditional multimedia classroom in teaching is discussed. Secondly, on the basis of extensive listening to the exploration and conception of future classroom by experts and scholars. The concept and characteristics of the future classroom and the network environment in the future classroom are analyzed. Finally, the main research work and chapter arrangement are introduced. Secondly, several common network protocols are analyzed. And compare their security. Among them, we focus on the analysis of the SSH protocol architecture, workflow, security and other issues. Through the security comparison. SSH protocol is used to establish a secure channel to complete the data communication. Finally, the system requirements analysis and detailed design. The development framework and functional module partition of the system are completed, and the key technologies used in the system are analyzed, including TCP connection / Libssh2 function library / JSON data format. In chapter 4, we implement the modules of the system, including login function, check switch status, wired network management, wireless network management. This paper describes the design and implementation of the network access system in the future classroom, especially the remote login management based on SSH protocol. It has certain guiding significance for improving the security of network in future classroom and remote centralized management of terminal equipment.
【學(xué)位授予單位】：華中師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TN915.07

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