核心路由器网络管理系统的设计及实现
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摘要
设备管理位于网络管理中的最底层，属于网元层管理，对不同类型的网络设备开发专用的网管系统，可以突出设备的特性，同时更好地控制和管理网络设备，提高网络运行效率。本文旨在研究新的网管模型和技术，针对核心路由器GR2000自身的特点，设计一个网络管理系统。本文从课题指南对核心路由器网管系统提出的要求出发，考虑到www技术在网管系统应用中的主流趋势，将本系统定位于基于Web的网络管理系统。
首先，分析并设计了基于Web的嵌入式网络管理系统，给出了系统中四大关键模块的实现方法：
通过历史数据文字显示和实时动态图形统计两种方式显示核心路由器状态；将传统的陷阱报告与轮询两种方法结合起来处理核心路由器软硬件故障告警；利用模拟核心路由器实物图的形式给出图形化配置界面；采用在web服务任务内处理表单来实现公共网关接口功能的GoForms方式实现用户管理。
本系统试运行效果良好，其中，性能统计模块，既给人有力的历史数字统计，又提供了直观的图形显示；故障管理部分能及时提供核心路由器故障告警上报；图形化配置界面给人提供形象的可视化配置界面，和传统配置工具Shell相比，专业性弱，使用简便。
其次，分析了该嵌入式系统的不足之处，提出将web服务器和功能服务器从核心路由器中提取出来的改进方案，并比较HTTP/CGI和CORBA/JAVA两种三层代理网管系统实现方案，得出理想的三层代理CORBA/JAVA网管系统实现方式，分析了CORBA技术在基于Web网管系统中的三种实现方法：静态方式、半动态方式及完全动态方式，得出较其它方式优越的完全动态Proxy Manager方式。
最后，本文对基于web三层CORBA/JAVA网管系统的实现作了理论方面的论证，设计了应用服务器的各功能子模块，并对三层结构中的代理进程的实现方法进行了研究。
Management of devices locates in the lowest layer of network management system, named management of network unit. To develop special NMS for different kinds of device can not only present characters but also control and manage devices better, which will improve running efficiency of network. This dissertation aims at researching the newest network management model and technologies, combining the peculiarity of GR2000 core router and accomplishing a network management system. It begins with requirements of the core router provided by the researching plan, complying with the mainstream trend of www technology in the application of NMS. As a result, it will generate a web-based NMS.
Firstly, it designs a web-based embedded NMS and gives methods to realize four core modules especially. They include presentation of historical data by numbers and statistics of real data by graphics to describe the status of core router, combining "Trap-report" with "polling" to process the breakdown of core router, showing configuration interface in graphics to users, embedding the users management programs in the task of web services.
This system runs excellent in the ready operating. In the module of capability statistics, it provides not only presentation of historical data in numbers but also direct graphics. In the module of breakdown management, it provides trap-report of breakdown in real time. In the module of configuration, it provides configuration interface in graphics and it presents less special and simpler than traditional shell.
Secondly, it analyses the drawback of embedded system and provides an excellent way which divides the web server and function server from core router. It compares HTTP/CGI with CORBA/JAVA to realize three-ply proxy NMS and gets the best three-ply proxy CORE A/JAVA NMS. It analyses three method of CORE A to realize web-based NMS (static mode, half-dynamic mode and dynamic mode) and gets the best dynamic mode (proxy manager).
At last, this dissertation gives the realization of web-based three-ply proxy CORBA/JAVA NMS in theory, the design on the child-module of application server and the research of realization method on proxy process.
首先，分析并设计了基于Web的嵌入式网络管理系统，给出了系统中四大关键模块的实现方法：
通过历史数据文字显示和实时动态图形统计两种方式显示核心路由器状态；将传统的陷阱报告与轮询两种方法结合起来处理核心路由器软硬件故障告警；利用模拟核心路由器实物图的形式给出图形化配置界面；采用在web服务任务内处理表单来实现公共网关接口功能的GoForms方式实现用户管理。
本系统试运行效果良好，其中，性能统计模块，既给人有力的历史数字统计，又提供了直观的图形显示；故障管理部分能及时提供核心路由器故障告警上报；图形化配置界面给人提供形象的可视化配置界面，和传统配置工具Shell相比，专业性弱，使用简便。
其次，分析了该嵌入式系统的不足之处，提出将web服务器和功能服务器从核心路由器中提取出来的改进方案，并比较HTTP/CGI和CORBA/JAVA两种三层代理网管系统实现方案，得出理想的三层代理CORBA/JAVA网管系统实现方式，分析了CORBA技术在基于Web网管系统中的三种实现方法：静态方式、半动态方式及完全动态方式，得出较其它方式优越的完全动态Proxy Manager方式。
最后，本文对基于web三层CORBA/JAVA网管系统的实现作了理论方面的论证，设计了应用服务器的各功能子模块，并对三层结构中的代理进程的实现方法进行了研究。
Management of devices locates in the lowest layer of network management system, named management of network unit. To develop special NMS for different kinds of device can not only present characters but also control and manage devices better, which will improve running efficiency of network. This dissertation aims at researching the newest network management model and technologies, combining the peculiarity of GR2000 core router and accomplishing a network management system. It begins with requirements of the core router provided by the researching plan, complying with the mainstream trend of www technology in the application of NMS. As a result, it will generate a web-based NMS.
Firstly, it designs a web-based embedded NMS and gives methods to realize four core modules especially. They include presentation of historical data by numbers and statistics of real data by graphics to describe the status of core router, combining "Trap-report" with "polling" to process the breakdown of core router, showing configuration interface in graphics to users, embedding the users management programs in the task of web services.
This system runs excellent in the ready operating. In the module of capability statistics, it provides not only presentation of historical data in numbers but also direct graphics. In the module of breakdown management, it provides trap-report of breakdown in real time. In the module of configuration, it provides configuration interface in graphics and it presents less special and simpler than traditional shell.
Secondly, it analyses the drawback of embedded system and provides an excellent way which divides the web server and function server from core router. It compares HTTP/CGI with CORBA/JAVA to realize three-ply proxy NMS and gets the best three-ply proxy CORE A/JAVA NMS. It analyses three method of CORE A to realize web-based NMS (static mode, half-dynamic mode and dynamic mode) and gets the best dynamic mode (proxy manager).
At last, this dissertation gives the realization of web-based three-ply proxy CORBA/JAVA NMS in theory, the design on the child-module of application server and the research of realization method on proxy process.
引文
[1] 岑贤道，安常青．网络管理协议及应用开发清华大学出版社 1998．7
[2] 王继龙．计算机网络性能管理技术发展综述．计算机科学．2000 Vol 27 No．9
[3] 张锦，史小宏．基于Web的网络管理--新的网络管理模式海南大学学报． Vol．17 No．3
[4] 朱菲，肖德宝超媒体管理协议HMMP．计算机世界．1998，25
[5] 丁一新．基于Web的网络管理模式．计算机世界，1997，49
[6] 袁磊，钟义杰，肖德宝．基于WEB的网络管理系统的CORBA／JAVA实现方式．计算机工程
[7] 杨雅辉，王行刚．一种基于分布式对象技术的层次化网络管理结构．计算机工程与应用2000 No．2
[8] 吴娜，鲁东明，潘云鹤网络管理技术的研究与发展计算机应用研究．2000 No．4
[9] 蔡皖东．SNMP网络管理机制及其实现．微电子学与计算机．1999 No．1
[11] 刘燕，郭学理等简单网络管理协议SNMP的发展与研究．计算机工程与设计．2001 Vol．28 No．3
[12] 汪芸，顾冠群，CORBA技术及其应用，东南大学出版社，1999年6月
[13] R．Otte，P．Patrick，CORBA教程，公共对象请求代理体系结构著，李师贤等译校，清华大学出版社，1999-10
[14] 李初民，吴中福等，网络管理的新趋势—基于Web的网络管理．重庆大学学报．第22卷第5期
[15] Mary Campione Kathy Walrath Alison Huml著．Java语言导学．机械工业出版社．2003-01
[16] 陈坚，陈伟．Visual c++网络高级编程．人民邮电出版社北京 2001-12
[17] 吴刚，白英彩基于Web的网络管理技术研究的设计．计算机工程Vol．25 No．9
[18] Oouglas E．Comer David L．stevens著．用TCP／IP进行网际互连．第三版 第Ⅰ，Ⅱ卷．电子工业出版社2001-4
[19] CayS．Horstman & Gary Comell著Java2核心技术 卷二．机械工业出版社 2001-8
[20] CayS．Horstman & Gary Cornell著Java2核心技术 卷一．机械工业出版社
2000-5
[21] 朱菲，肖德宝．基于Web／Corba的网管关键技术的研究．小型微型计算机系统．Vol21 No．8
[22] 陈沛，王华，高传善．CORBA在网络管理中的应用．小型微型计算机系统．Vol．20 No．9
[23] [美]OMG编著 韦乐平，薛君敖，孟洛明编译．CORBA语言映射．电子工业出版社．2001-05
[24] 方宁生，罗军舟等．CORBA／SNMP网关在企业Intrant网络管理中的应用．东南大学学报．vol30 No．3
[25] Andrew S. Tanenbaum 著，熊桂喜，王小虎译汁算机网络(第三版)清华大学出版社2002-01
[26] McCloghrie etal. "Management Information Base for Network Management of TCP/IP-based internet:MIB-Ⅱ".RFC1213
[27] Mobsen Kahani,H,W. Peter."Decentralised approaches for network management" . Computer Communication Review. Jul 1997
[28] Lee K. A distributed network management system[A].IEEE GLOBELCOM'94[C].San Francisco:IEEE Press
[29] Y.Durfee.Distributed Big Brother, 8th International Conference on Artificial Intelligence and Applications
[30] Herman.Distributed network management;Time runs for mainframe based systems.Data Communications Magzine
[31] Goldszmidt.Distributed management by delegation.Proceedings of 15th International Conference on Distributed Computer System
[32] ISO 9596: "Information Processing Systems- Open Systems Interconnection-Common Management Information Protocol" Geneva, Switzerland
[33] Case J.et al.. "A Simple Network Management Protocol(SNMP)".RFC 1157
[34] Rose M.et al. "Structure and Identification of Management Information for TCP/IP based Internet".RFC1165
[35] SNMPv2 Working Group. " Structure of Management Information for Version2 of the Simple Network Management Protocol(SNMPv2)" .RFC 1902
[36] http://www. huihoo. com/java/jmx/
[37] http://java.sun.com/webapps
[38] http://java, sun. com/products/JavaManagement/
[39] Joint Inter-Domain Working Group, X/Open and Network Management Forum, Inter-Domain Management Specifications: Preliminary CORBA/CMISE Interaction Translation Architecture, April 1995．
[40] Joint Inter-Domain Working Group, X/Open and Network Management Forum, Inter-Domain Management Specifications: Specification Translation, April 1995．
[42] http: //www.jdon.com/concurrent/jmx.htm
[43] http: //www. netmgrs. co. uk/vti_bin/shtml. dll/wbem_info_req. htm
[44] http://wbem.freerange.com
[45] http://www.mhdn.net/p/2002-02-16/4519． html
[46] http://www.fanqiang.com/a4/b5/20010803/1500001072． html
[47] http://www.chinajavaworld.net/doc/20010403_1． html
[48] HRhttp://www.chinajavaword.net/doc/20010408_1． html
[49] http://www.chinajavaword.net/doc/20010416_1． html
[50] Object Management Group.The Common Object Request Broker Architecture and Specification[M].Edition2． 0,1995
[51] G.Genilloud.Flexible Translation for Integration CORBA and OSI[M] Germany. Object World Frankfurt, 1997
[2] 王继龙．计算机网络性能管理技术发展综述．计算机科学．2000 Vol 27 No．9
[3] 张锦，史小宏．基于Web的网络管理--新的网络管理模式海南大学学报． Vol．17 No．3
[4] 朱菲，肖德宝超媒体管理协议HMMP．计算机世界．1998，25
[5] 丁一新．基于Web的网络管理模式．计算机世界，1997，49
[6] 袁磊，钟义杰，肖德宝．基于WEB的网络管理系统的CORBA／JAVA实现方式．计算机工程
[7] 杨雅辉，王行刚．一种基于分布式对象技术的层次化网络管理结构．计算机工程与应用2000 No．2
[8] 吴娜，鲁东明，潘云鹤网络管理技术的研究与发展计算机应用研究．2000 No．4
[9] 蔡皖东．SNMP网络管理机制及其实现．微电子学与计算机．1999 No．1
[11] 刘燕，郭学理等简单网络管理协议SNMP的发展与研究．计算机工程与设计．2001 Vol．28 No．3
[12] 汪芸，顾冠群，CORBA技术及其应用，东南大学出版社，1999年6月
[13] R．Otte，P．Patrick，CORBA教程，公共对象请求代理体系结构著，李师贤等译校，清华大学出版社，1999-10
[14] 李初民，吴中福等，网络管理的新趋势—基于Web的网络管理．重庆大学学报．第22卷第5期
[15] Mary Campione Kathy Walrath Alison Huml著．Java语言导学．机械工业出版社．2003-01
[16] 陈坚，陈伟．Visual c++网络高级编程．人民邮电出版社北京 2001-12
[17] 吴刚，白英彩基于Web的网络管理技术研究的设计．计算机工程Vol．25 No．9
[18] Oouglas E．Comer David L．stevens著．用TCP／IP进行网际互连．第三版 第Ⅰ，Ⅱ卷．电子工业出版社2001-4
[19] CayS．Horstman & Gary Comell著Java2核心技术 卷二．机械工业出版社 2001-8
[20] CayS．Horstman & Gary Cornell著Java2核心技术 卷一．机械工业出版社
2000-5
[21] 朱菲，肖德宝．基于Web／Corba的网管关键技术的研究．小型微型计算机系统．Vol21 No．8
[22] 陈沛，王华，高传善．CORBA在网络管理中的应用．小型微型计算机系统．Vol．20 No．9
[23] [美]OMG编著 韦乐平，薛君敖，孟洛明编译．CORBA语言映射．电子工业出版社．2001-05
[24] 方宁生，罗军舟等．CORBA／SNMP网关在企业Intrant网络管理中的应用．东南大学学报．vol30 No．3
[25] Andrew S. Tanenbaum 著，熊桂喜，王小虎译汁算机网络(第三版)清华大学出版社2002-01
[26] McCloghrie etal. "Management Information Base for Network Management of TCP/IP-based internet:MIB-Ⅱ".RFC1213
[27] Mobsen Kahani,H,W. Peter."Decentralised approaches for network management" . Computer Communication Review. Jul 1997
[28] Lee K. A distributed network management system[A].IEEE GLOBELCOM'94[C].San Francisco:IEEE Press
[29] Y.Durfee.Distributed Big Brother, 8th International Conference on Artificial Intelligence and Applications
[30] Herman.Distributed network management;Time runs for mainframe based systems.Data Communications Magzine
[31] Goldszmidt.Distributed management by delegation.Proceedings of 15th International Conference on Distributed Computer System
[32] ISO 9596: "Information Processing Systems- Open Systems Interconnection-Common Management Information Protocol" Geneva, Switzerland
[33] Case J.et al.. "A Simple Network Management Protocol(SNMP)".RFC 1157
[34] Rose M.et al. "Structure and Identification of Management Information for TCP/IP based Internet".RFC1165
[35] SNMPv2 Working Group. " Structure of Management Information for Version2 of the Simple Network Management Protocol(SNMPv2)" .RFC 1902
[36] http://www. huihoo. com/java/jmx/
[37] http://java.sun.com/webapps
[38] http://java, sun. com/products/JavaManagement/
[39] Joint Inter-Domain Working Group, X/Open and Network Management Forum, Inter-Domain Management Specifications: Preliminary CORBA/CMISE Interaction Translation Architecture, April 1995．
[40] Joint Inter-Domain Working Group, X/Open and Network Management Forum, Inter-Domain Management Specifications: Specification Translation, April 1995．
[42] http: //www.jdon.com/concurrent/jmx.htm
[43] http: //www. netmgrs. co. uk/vti_bin/shtml. dll/wbem_info_req. htm
[44] http://wbem.freerange.com
[45] http://www.mhdn.net/p/2002-02-16/4519． html
[46] http://www.fanqiang.com/a4/b5/20010803/1500001072． html
[47] http://www.chinajavaworld.net/doc/20010403_1． html
[48] HRhttp://www.chinajavaword.net/doc/20010408_1． html
[49] http://www.chinajavaword.net/doc/20010416_1． html
[50] Object Management Group.The Common Object Request Broker Architecture and Specification[M].Edition2． 0,1995
[51] G.Genilloud.Flexible Translation for Integration CORBA and OSI[M] Germany. Object World Frankfurt, 1997
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