本文選題：物聯(lián)網(wǎng) + 軟件定義網(wǎng)絡(luò)��； 參考：《北京郵電大學(xué)》2015年碩士論文

【摘要】：近年來隨著移動(dòng)互聯(lián)網(wǎng)的快速發(fā)展,物聯(lián)網(wǎng)也迎來了發(fā)展的春天,大量設(shè)備接入到網(wǎng)絡(luò)中,這些接入到網(wǎng)絡(luò)中的物理設(shè)備組成了一個(gè)龐大的物理網(wǎng)絡(luò),對(duì)于這個(gè)物理網(wǎng)絡(luò),其網(wǎng)絡(luò)架構(gòu)仍然沿用傳統(tǒng)互聯(lián)網(wǎng)中的網(wǎng)絡(luò)架構(gòu)方式,即由大量交換機(jī)和路由器來控制數(shù)據(jù)轉(zhuǎn)發(fā)。隨著經(jīng)濟(jì)社會(huì)的發(fā)展,企業(yè)對(duì)物聯(lián)網(wǎng)中網(wǎng)絡(luò)結(jié)構(gòu)的靈活變更性、可配置性要求越來越高,只需要通過一定的靈活配置就能改變物聯(lián)網(wǎng)中設(shè)備網(wǎng)絡(luò)的數(shù)據(jù)流向成為越來越多的企業(yè)所追求的目標(biāo)。限制這一目標(biāo)實(shí)現(xiàn)的主要障礙是傳統(tǒng)網(wǎng)絡(luò)中的信息流向往往在網(wǎng)絡(luò)設(shè)計(jì)之初就設(shè)定好了,設(shè)備網(wǎng)絡(luò)中控制層面與數(shù)據(jù)轉(zhuǎn)發(fā)層面高度耦合,這樣,物聯(lián)網(wǎng)環(huán)境下的設(shè)備網(wǎng)絡(luò)仍然受限于傳統(tǒng)網(wǎng)絡(luò)設(shè)備(交換機(jī)、路由器等)的限制。因此,分離網(wǎng)絡(luò)設(shè)備中的控制層面和轉(zhuǎn)發(fā)層面成為業(yè)界追求的目標(biāo)。 近年來興起的軟件定義網(wǎng)絡(luò)(Software Defined Network,SDN)是對(duì)傳統(tǒng)網(wǎng)絡(luò)架構(gòu)設(shè)計(jì)的一種創(chuàng)新,其提出的目的是分離網(wǎng)絡(luò)的控制層面與數(shù)據(jù)層面,將傳統(tǒng)網(wǎng)絡(luò)中網(wǎng)絡(luò)設(shè)備的控制能力提取出來,通過向應(yīng)用開放編程接口的方式,應(yīng)用面向接口編程,以此來實(shí)現(xiàn)對(duì)設(shè)備網(wǎng)絡(luò)的管理。在SDN架構(gòu)中,獨(dú)立于轉(zhuǎn)發(fā)層面的控制器是其控制核心,對(duì)設(shè)備網(wǎng)絡(luò)的控制是通過控制器來完成的�？刂破魍ㄟ^向位于網(wǎng)絡(luò)設(shè)備的流表中下發(fā)配置信息來實(shí)現(xiàn)對(duì)數(shù)據(jù)包匹配規(guī)則的修改。 本研究課題借鑒軟件定義網(wǎng)絡(luò)中將控制層面和數(shù)據(jù)層面分離的思想,設(shè)計(jì)并實(shí)現(xiàn)了基于物聯(lián)網(wǎng)平臺(tái)的可配置網(wǎng)絡(luò)系統(tǒng)。本課題的研究前提是在局域網(wǎng)環(huán)境下,網(wǎng)絡(luò)設(shè)備都是具有IP層以上通信能力的設(shè)備�；跀�(shù)控分離的設(shè)計(jì)思想,通過在物聯(lián)網(wǎng)平臺(tái)中增加配置與控制模塊,達(dá)到通過此模塊來實(shí)現(xiàn)對(duì)物聯(lián)網(wǎng)設(shè)備中數(shù)據(jù)流向靈活控制的目的。具體如下： 1、配置與控制模塊的設(shè)計(jì)與實(shí)現(xiàn)。本課題通過在物聯(lián)網(wǎng)平臺(tái)中增加配置與控制模塊,該模塊通過下發(fā)配置報(bào)文信息給物聯(lián)網(wǎng)接入設(shè)備,通過此方式實(shí)現(xiàn)對(duì)設(shè)備網(wǎng)絡(luò)中數(shù)據(jù)流向的控制。該研究點(diǎn)具體包括配置與控制模塊的位置和功能、應(yīng)用調(diào)用該模塊對(duì)終端操作的流程、該模塊對(duì)應(yīng)用所傳達(dá)配置參數(shù)的解析以及該模塊對(duì)配置報(bào)文的分發(fā)機(jī)制。 2、增強(qiáng)型M2M (enhanced Machine-To-Machine, eM2M)通信協(xié)議的設(shè)計(jì)與實(shí)現(xiàn),即eM2M協(xié)議。通信協(xié)議是物聯(lián)網(wǎng)平臺(tái)的配置與控制模塊、接入模塊和物聯(lián)網(wǎng)設(shè)備通信的關(guān)鍵,設(shè)備所收到的路由配置信息是控制器模塊通過協(xié)議的配置報(bào)文下發(fā)的,對(duì)物理設(shè)備的控制由傳統(tǒng)網(wǎng)絡(luò)中交換機(jī)和路由器聯(lián)合控制轉(zhuǎn)變?yōu)橛晌锫?lián)網(wǎng)平臺(tái)中的配置與控制模塊控制。該研究點(diǎn)具體包括增強(qiáng)型M2M協(xié)議的報(bào)文結(jié)構(gòu)的設(shè)計(jì)和具體報(bào)文的實(shí)現(xiàn)。 3、物聯(lián)網(wǎng)接入設(shè)備上路由表的設(shè)計(jì)與實(shí)現(xiàn)。本課題中,物聯(lián)網(wǎng)接入設(shè)備把配置與控制模塊下發(fā)的配置信息以某種格式存到路由配置文件里,路由配置文件中包含一條或者多條路由信息。設(shè)備通過讀取路由表中的信息來決定數(shù)據(jù)包下一步的數(shù)據(jù)流向。該研究點(diǎn)具體包括路由表中配置信息的格式、配置信息的修改規(guī)則以及寫入規(guī)則。
[Abstract]:In recent years , with the rapid development of mobile Internet , the Internet of Things has ushered in the development of the Internet .

Software Defined Network , which has emerged in recent years , is an innovation to the traditional network architecture design . The purpose of this paper is to separate the control layer and the data plane of the network , to extract the control ability of the network equipment in the traditional network . In the network , the controller in the forwarding plane is the control core , and the control of the equipment network is completed by the controller . The controller realizes the modification of the data packet matching rule by sending the configuration information to the flow table located in the network device .

The research topic is to design and implement configurable network system based on Internet of Things platform based on the idea of separating control plane and data plane from the software - defined network . The research premise is that network equipment is the equipment with more than IP layer in the LAN environment . Based on the design idea of numerical control separation , the purpose of flexible control of data flow in the Internet of things equipment is achieved through adding configuration and control module in the Internet of Things platform .

1 . The configuration and control module is designed and implemented . This project adds the configuration and control module in the Internet of Things platform . The module realizes the control of the data flow in the equipment network by issuing the configuration message information to the Internet of Things access equipment . The research point specifically includes the location and function of the configuration and control module , the application calls the module ' s flow of the terminal operation , the module analyzes the configuration parameters communicated by the application and the distribution mechanism of the module to the configuration message .

2 . Design and implementation of enhanced M2M ( enhanced machine - to - machine , eM2M ) communication protocol , i.e . eM2M protocol . The communication protocol is the key to the configuration and control module , the access module and the Internet of Things device communication . The routing configuration information received by the equipment is sent by the controller module through the configuration message of the protocol . The control of the physical device is controlled by the configuration and control module in the Internet of Things platform . The research point specifically includes the design of the message structure of the enhanced M2M protocol and the implementation of the specific message .

3 . The design and implementation of the routing table on the Internet of Things access equipment . In this project , the Internet of Things access equipment stores the configuration information sent by the configuration and control module in some format into the routing configuration file . The routing configuration file contains one or more routing information . The device determines the data flow direction of the next step of the data packet by reading the information in the routing table . The research point specifically includes the format of configuration information in the routing table , the modification rules of configuration information , and the writing rules .

【學(xué)位授予單位】：北京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TP391.44;TN929.5

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本文編號(hào)：1843652