基于OPNET的校园网性能分析与设计
摘要
我国的校园网大都在九十年代中后期建成,受当时资金和技术条件限制,节点少,带宽低,运行业务简单。随着各学校规模的不断扩大,需入网的节点迅速增加;现代化教学手段的运用,使多媒体业务需求也迅速增长,许多早期建成的校园网因无法满足日益增长的应用需求,需要重新规划设计。为提高规划设计过程中决策的科学性,降低网络投资风险,需要一种有效的手段对当前校园网的性能进行分析,对拟采用的设计方案进行评估预测。通过数学建模对网络性能进行分析的方法过于复杂,实际测量法又只能针对已经建成的网络,从而使计算机仿真方法成为当然的选择。
本文的主要研究任务就是如何利用仿真软件OPNET对我校原有校园网进行性能分析,找出影响校园网性能的主要因素和网络“瓶颈”,在此基础上提出新的校园网设计方案,然后对方案可行性进行评估预测。
本文的研究对改善校园网性能,提高网络运行的安全性和可靠性具有指导意义;本文可以为校园网的规划设计提供客观可靠的定量依据,提高网络设计的科学性,缩短网络建设周期,降低校园网络投资的风险,因而也具有一定的工程应用价值。
Most campus network of China was built at the middle of 90s. Limited by the fund and network techniques, a few nodes, low bandwidth, simple traffic running were the symbol of the time. Now, many of them need to be upgraded or redesigned to meet the needs of modern education and enlargement of campus dimension. In order to improve the scientificity of decision and reduce the risk of investment, an effective method need to be adopted to evaluate the performance of existing network and to predict the feasibility of planning scheme. Mathematical representations of system are complicated and measurements can only measure a built network, simulation technique is an ideal selection.
The main task of the paper is evaluating the performance of our existing campus network, finding out the main factors affecting the performance and the bottleneck of the network, redesigning a new network scheme and predicting its performance comparing with the existing network.
The research results of this paper are meaningful for the improvement of performance and reliability. The research is also significant for engineering because it can provide scientific data, shorten the period and reduce the risk of investment.
本文的主要研究任务就是如何利用仿真软件OPNET对我校原有校园网进行性能分析,找出影响校园网性能的主要因素和网络“瓶颈”,在此基础上提出新的校园网设计方案,然后对方案可行性进行评估预测。
本文的研究对改善校园网性能,提高网络运行的安全性和可靠性具有指导意义;本文可以为校园网的规划设计提供客观可靠的定量依据,提高网络设计的科学性,缩短网络建设周期,降低校园网络投资的风险,因而也具有一定的工程应用价值。
Most campus network of China was built at the middle of 90s. Limited by the fund and network techniques, a few nodes, low bandwidth, simple traffic running were the symbol of the time. Now, many of them need to be upgraded or redesigned to meet the needs of modern education and enlargement of campus dimension. In order to improve the scientificity of decision and reduce the risk of investment, an effective method need to be adopted to evaluate the performance of existing network and to predict the feasibility of planning scheme. Mathematical representations of system are complicated and measurements can only measure a built network, simulation technique is an ideal selection.
The main task of the paper is evaluating the performance of our existing campus network, finding out the main factors affecting the performance and the bottleneck of the network, redesigning a new network scheme and predicting its performance comparing with the existing network.
The research results of this paper are meaningful for the improvement of performance and reliability. The research is also significant for engineering because it can provide scientific data, shorten the period and reduce the risk of investment.
引文
[1]马德四.教育信息化本质研究:教育学视角:[博士论文].华东师范大学,2007:15～30
[2]沈培华,王映雪,蒋东兴等.清华大学数字校园建设与思考.管理信息系统,2002,(2):18~19
[3]熊志云.校园网与高校信息资源管理[J].湖南大学学报(哲学社会科学版),2001,(6):114～115
[4]孙宽宁,刘长伦,朱岭仁.高师信息化教学技能和教学理念调查研究[J].山东师范大学学报(自然科学版),2006,21(3):136～138
[5]张敬涛,李向阳.数字化校园建设探析.山东师范大学学报(自然科学版),2007,22(4):126~127
[6]聂俊航.高职院校数字化校园建设建设实践.中国教育网络,2008,2(5):61~62
[7]戚德瑜,梁森.浅谈高校数字化校园建设.科技信息,2007,(24):56～71
[8]赵毅.高校校园计算机网络设计与实现: [工程硕士论文].重庆大学,2006:6~8
[9]邓涛.校园网网络性能分析:[硕士论文].武汉理工大学,2003
[10]侯宗浩,王秉康,黄泳翔.网络仿真的研究[J].计算机仿真,2003,10:89～91
[11]陈凌云,罗小明.空间作战模拟中的网络建模与仿真研究[J].装备指挥技术学院学报,2005,6(2):51~55
[12]陆勇林等.一种实用的网络性能分析与评价技术.沈阳化工学院学报,2004,18(2):158~160
[13]傅鹂,李舸,艾鹏.基于 OPNET 的局域网 DDOS 攻击仿真[J].重庆工学院学报(自然科学版),2007,21(10):1~4
[14]顾晓鸣,龚平,李影,马明凯.IP 网流量仿真与建模[J].系统工程与电子技术,2004,26 (05):652~654,681
[15]符浅浅.校园网方案分析与设计[D]:[硕士论文].重庆大学,2005
[16]冷杰.OPNET 网络仿真技术及网络设计:[硕士论文].天津大学,2006
[17]陈敏.OPNET 网络仿真.北京:清华大学出版社,2004
[18]王文博,张金文.OPNET Modeler 与仿真建模.北京:人民邮电出版社,2003
[19]张剑.基于 OPNET 的仿真建模方法研究:[硕士论文].武汉理工大学,2005
[20] Thierry Vala.*, Fabrice Peyrarda, Michel Missonb. Study and simulation of the infrared WLAN IrDA: an alternative to the radio. Computer Communications,2003,(26):1210～1218
[21]伍俊洪,杨洋.网络仿真方法和 OPNET 仿真技术.计算机工程,2004,30(5):106~108
[22]OPNET Modeler10.0 在线文档.OPNET Technologies,Inc.,2003
[23]石怀伟.OPNET 网络仿真技术及其应用分析.计算机工程与设计,2006,27 (17):3309~3311
[24]Xinjie Chang. Network simulations with OPNET. Simulation Conference Proceedings, 1999
[25]D.B. Green, M.S. Obaidat*.Modeling and simulation of IEEE 802.11 WLAN mobile ad hoc networks using topology broadcast reverse-path forwarding (TBRPF).Computer Communications,2003,(26):1741～1746
[26]Gregory S.campbell. A Computer Simulation Model Suite for the Analysis of All Optical Networks. [Master Dissertation],1995
[27]张文革,马玉祥.基于 OPNET 的通信网络仿真优化方法.电子科技,2005,(9):33~36,40
[28]王和兴,张建波,才书训.基于 OPNET 的网络仿真与性能测量.微电子学与计算机,2005,22(12):25~27,32
[29] Uthman Baroudi, Mohammed Aijaz Mohiuddin .Performance analysis of Internet applications over an adaptive IEEE 802.11 MAC architecture. accepted 4 February 2006
[30]杜炜,王行刚.网络仿真在网络性能指标评价中的应用.计算机工程与应用,2003,(18):176~180
[31]邓涛.校园网网络性能分析:[硕士学位论文].武汉理工大学,2003
[32]刘曲明.网络性能分析评价方法及其计算机仿真方法讨论.计算机仿真,2000,17(1)53～57
[33]王洪,贾卓生,唐宏.计算机网络应用教程(第 2 版).北京:机械工业出版社,2000
[34]李宏波.影响校园网性能的参数分析与优化:[硕士学位论文].燕山大学,2002
[35]梅挺.校园网及应用的设计与实现:[硕士学位论文].四川大学,2003
[36]于新俊.大连电力学校校园网设计与实现:[硕士学位论文].大连理工大学,2003
[37] W.Stallings. Local and Metropolitan Area Networks. Boston: Sixth edition, Prentice-Hall Publishers,2001
[38]William Stallings. High-Speed Network And Internets. Second Edition ,Prentice Hall,2002
[39]黎连业.十兆百兆千兆万兆以太网技术及组网方案.北京:机械工业出版社,2003
[40]王竹林.校园网组建与管理.北京:清华大学出版社,2002
[41]校园网设计与远程教学系统开发.北京:人民邮电出版社,2003
[42]黄劲荣.校园网改造的分析、设计与实现:[工程硕士论文].广东工业大学,2005
[43]胡道元.计算机网络工程指南.北京:电子工业出版社,1993
[44]Jessica M.Yeh. Performance of Voice and Data Transmission Using the IEEE 802.11 MACProtocol. [Master Dissertation], 2002
[45]Sungho Maeung, Shanchieh Jay Yang, Nirmala Shenoy. Modeling and Simulation of Gossip-Based Relayed Network for Ubiquitous and Expanded Access Rochester. Institute of Technology Laboratory of Applied Computing Rochester, NY 14623,2005
[46]Chen Min, Zhu Xiao song, Wei Gang. An IP Diffuser Framework for Real-time Video Transmission. ICCT, Beijing, China, April, 2003
[47]L. Zhao, C. Fan. Enhancement of QoS differentiation over IEEE 802.11 WLAN, IEEE Commun. Lett. 2004,(8):492～496.
[2]沈培华,王映雪,蒋东兴等.清华大学数字校园建设与思考.管理信息系统,2002,(2):18~19
[3]熊志云.校园网与高校信息资源管理[J].湖南大学学报(哲学社会科学版),2001,(6):114～115
[4]孙宽宁,刘长伦,朱岭仁.高师信息化教学技能和教学理念调查研究[J].山东师范大学学报(自然科学版),2006,21(3):136～138
[5]张敬涛,李向阳.数字化校园建设探析.山东师范大学学报(自然科学版),2007,22(4):126~127
[6]聂俊航.高职院校数字化校园建设建设实践.中国教育网络,2008,2(5):61~62
[7]戚德瑜,梁森.浅谈高校数字化校园建设.科技信息,2007,(24):56～71
[8]赵毅.高校校园计算机网络设计与实现: [工程硕士论文].重庆大学,2006:6~8
[9]邓涛.校园网网络性能分析:[硕士论文].武汉理工大学,2003
[10]侯宗浩,王秉康,黄泳翔.网络仿真的研究[J].计算机仿真,2003,10:89～91
[11]陈凌云,罗小明.空间作战模拟中的网络建模与仿真研究[J].装备指挥技术学院学报,2005,6(2):51~55
[12]陆勇林等.一种实用的网络性能分析与评价技术.沈阳化工学院学报,2004,18(2):158~160
[13]傅鹂,李舸,艾鹏.基于 OPNET 的局域网 DDOS 攻击仿真[J].重庆工学院学报(自然科学版),2007,21(10):1~4
[14]顾晓鸣,龚平,李影,马明凯.IP 网流量仿真与建模[J].系统工程与电子技术,2004,26 (05):652~654,681
[15]符浅浅.校园网方案分析与设计[D]:[硕士论文].重庆大学,2005
[16]冷杰.OPNET 网络仿真技术及网络设计:[硕士论文].天津大学,2006
[17]陈敏.OPNET 网络仿真.北京:清华大学出版社,2004
[18]王文博,张金文.OPNET Modeler 与仿真建模.北京:人民邮电出版社,2003
[19]张剑.基于 OPNET 的仿真建模方法研究:[硕士论文].武汉理工大学,2005
[20] Thierry Vala.*, Fabrice Peyrarda, Michel Missonb. Study and simulation of the infrared WLAN IrDA: an alternative to the radio. Computer Communications,2003,(26):1210～1218
[21]伍俊洪,杨洋.网络仿真方法和 OPNET 仿真技术.计算机工程,2004,30(5):106~108
[22]OPNET Modeler10.0 在线文档.OPNET Technologies,Inc.,2003
[23]石怀伟.OPNET 网络仿真技术及其应用分析.计算机工程与设计,2006,27 (17):3309~3311
[24]Xinjie Chang. Network simulations with OPNET. Simulation Conference Proceedings, 1999
[25]D.B. Green, M.S. Obaidat*.Modeling and simulation of IEEE 802.11 WLAN mobile ad hoc networks using topology broadcast reverse-path forwarding (TBRPF).Computer Communications,2003,(26):1741～1746
[26]Gregory S.campbell. A Computer Simulation Model Suite for the Analysis of All Optical Networks. [Master Dissertation],1995
[27]张文革,马玉祥.基于 OPNET 的通信网络仿真优化方法.电子科技,2005,(9):33~36,40
[28]王和兴,张建波,才书训.基于 OPNET 的网络仿真与性能测量.微电子学与计算机,2005,22(12):25~27,32
[29] Uthman Baroudi, Mohammed Aijaz Mohiuddin .Performance analysis of Internet applications over an adaptive IEEE 802.11 MAC architecture. accepted 4 February 2006
[30]杜炜,王行刚.网络仿真在网络性能指标评价中的应用.计算机工程与应用,2003,(18):176~180
[31]邓涛.校园网网络性能分析:[硕士学位论文].武汉理工大学,2003
[32]刘曲明.网络性能分析评价方法及其计算机仿真方法讨论.计算机仿真,2000,17(1)53～57
[33]王洪,贾卓生,唐宏.计算机网络应用教程(第 2 版).北京:机械工业出版社,2000
[34]李宏波.影响校园网性能的参数分析与优化:[硕士学位论文].燕山大学,2002
[35]梅挺.校园网及应用的设计与实现:[硕士学位论文].四川大学,2003
[36]于新俊.大连电力学校校园网设计与实现:[硕士学位论文].大连理工大学,2003
[37] W.Stallings. Local and Metropolitan Area Networks. Boston: Sixth edition, Prentice-Hall Publishers,2001
[38]William Stallings. High-Speed Network And Internets. Second Edition ,Prentice Hall,2002
[39]黎连业.十兆百兆千兆万兆以太网技术及组网方案.北京:机械工业出版社,2003
[40]王竹林.校园网组建与管理.北京:清华大学出版社,2002
[41]校园网设计与远程教学系统开发.北京:人民邮电出版社,2003
[42]黄劲荣.校园网改造的分析、设计与实现:[工程硕士论文].广东工业大学,2005
[43]胡道元.计算机网络工程指南.北京:电子工业出版社,1993
[44]Jessica M.Yeh. Performance of Voice and Data Transmission Using the IEEE 802.11 MACProtocol. [Master Dissertation], 2002
[45]Sungho Maeung, Shanchieh Jay Yang, Nirmala Shenoy. Modeling and Simulation of Gossip-Based Relayed Network for Ubiquitous and Expanded Access Rochester. Institute of Technology Laboratory of Applied Computing Rochester, NY 14623,2005
[46]Chen Min, Zhu Xiao song, Wei Gang. An IP Diffuser Framework for Real-time Video Transmission. ICCT, Beijing, China, April, 2003
[47]L. Zhao, C. Fan. Enhancement of QoS differentiation over IEEE 802.11 WLAN, IEEE Commun. Lett. 2004,(8):492～496.