Practice training is very important for students learning Computer networks.But building a real laboratory is constrained and expensive.In this paper,we present an online experimental platform for computer networks co...Practice training is very important for students learning Computer networks.But building a real laboratory is constrained and expensive.In this paper,we present an online experimental platform for computer networks course based on Dynamips simulator.Instructors and students can access the platform by IE Browser to manage and take router experiments.On the basis of deployment and testing,the platform is effective and flexible.展开更多
Digital circuit and analog circuit courses are basic courses for students of science and engineering universities. Among them,the practical courses are of great significance for students to master the knowledge of ele...Digital circuit and analog circuit courses are basic courses for students of science and engineering universities. Among them,the practical courses are of great significance for students to master the knowledge of electronics. In order to make teachers teaching more efficiently and students studying more quickly,how to update the experimental course in teaching reform is the key point. This paper analyzing the present situation of teaching in the digital circuit and analog circuit courses,the teaching questions in universities. On the basis of it,the innovation measures of experimental teaching methods and contents are discussed. Our school tries to introduce the UltraLab network experiment platform,reform and optimize the teaching methods of related courses.And it’ s accelerating the construction and development of emerging engineering education’ s process,reducing effectively the teacher’s time for managing in equipment,improving the students’ ability to use instruments.展开更多
随着网络攻击日益频繁和复杂,入侵检测系统(IDS)在网络安全防护中扮演着至关重要的角色。提出了一种基于EVE-NG(emulated virtual environment next generation)的虚拟网络实验平台,并使用Vue前端框架构建了高可用性的用户界面,用于模...随着网络攻击日益频繁和复杂,入侵检测系统(IDS)在网络安全防护中扮演着至关重要的角色。提出了一种基于EVE-NG(emulated virtual environment next generation)的虚拟网络实验平台,并使用Vue前端框架构建了高可用性的用户界面,用于模拟真实网络环境并进行入侵检测实验。通过在虚拟环境中灵活搭建多种网络拓扑和设备,学生能够模拟不同攻击场景,并通过友好的用户界面实时监控和分析检测系统性能。结果表明,该平台不仅降低了实验成本,提升了实验的灵活性和可重复性,还为网络安全虚拟仿真实验提供了高效的解决方案。展开更多
虚拟局域网(Virtual Local Area Network,VLAN)扩展技术中的嵌套(QinQ)技术和映射(Mapping)技术更好地解决了传统VLAN在标签数量限制、跨域互通瓶颈、用户隔离等方面的问题。为了探究这两种技术的工作原理与适用场景,利用华为企业网络...虚拟局域网(Virtual Local Area Network,VLAN)扩展技术中的嵌套(QinQ)技术和映射(Mapping)技术更好地解决了传统VLAN在标签数量限制、跨域互通瓶颈、用户隔离等方面的问题。为了探究这两种技术的工作原理与适用场景,利用华为企业网络仿真平台(Enterprise Network Simulation Platform,eNSP)搭建对比实验环境,构建网络拓扑,配置运行命令,验证测试不同终端之间的连通性,数据抓包分析数据标签封装过程,总结不同技术在扩展能力、隔离效果、配置复杂度等方面的区别。实验结果表明,QinQ技术更适用于大规模隔离需求,Mapping技术更适用于跨域网络动态配置场景,二者可以同时应用于1台设备,互补提升了VLAN扩展的灵活性与部署效率。展开更多
针对目前船厂实习路途遥远、实习内容有限、成本高且安全风险大等问题,基于互联网的开放共享特性、VR技术和可穿戴设备的沉浸式仿真效果,应用Unity3D和Visual Studio C#设计了虚拟船厂、船舶交互仿真实验教学系统。组建了学习、漫游、...针对目前船厂实习路途遥远、实习内容有限、成本高且安全风险大等问题,基于互联网的开放共享特性、VR技术和可穿戴设备的沉浸式仿真效果,应用Unity3D和Visual Studio C#设计了虚拟船厂、船舶交互仿真实验教学系统。组建了学习、漫游、考评一体化的实验平台,将“互联网+”概念应用到特色实验教学中去,结合传统实验教学,探索了一种新型实验教学和考核模式,克服了教学手段缺乏改革创新、学生学习兴趣不高、优质教学资源匮乏等问题。展开更多
文摘Practice training is very important for students learning Computer networks.But building a real laboratory is constrained and expensive.In this paper,we present an online experimental platform for computer networks course based on Dynamips simulator.Instructors and students can access the platform by IE Browser to manage and take router experiments.On the basis of deployment and testing,the platform is effective and flexible.
基金supported by University-level Teaching Reform Project of New Engineering,Beijing University of Chemical Technology(xgk2017040436)Teaching Reform Project of School of International Teaching,Beijing University of Chemical Technology(siejg201713)
文摘Digital circuit and analog circuit courses are basic courses for students of science and engineering universities. Among them,the practical courses are of great significance for students to master the knowledge of electronics. In order to make teachers teaching more efficiently and students studying more quickly,how to update the experimental course in teaching reform is the key point. This paper analyzing the present situation of teaching in the digital circuit and analog circuit courses,the teaching questions in universities. On the basis of it,the innovation measures of experimental teaching methods and contents are discussed. Our school tries to introduce the UltraLab network experiment platform,reform and optimize the teaching methods of related courses.And it’ s accelerating the construction and development of emerging engineering education’ s process,reducing effectively the teacher’s time for managing in equipment,improving the students’ ability to use instruments.
文摘随着网络攻击日益频繁和复杂,入侵检测系统(IDS)在网络安全防护中扮演着至关重要的角色。提出了一种基于EVE-NG(emulated virtual environment next generation)的虚拟网络实验平台,并使用Vue前端框架构建了高可用性的用户界面,用于模拟真实网络环境并进行入侵检测实验。通过在虚拟环境中灵活搭建多种网络拓扑和设备,学生能够模拟不同攻击场景,并通过友好的用户界面实时监控和分析检测系统性能。结果表明,该平台不仅降低了实验成本,提升了实验的灵活性和可重复性,还为网络安全虚拟仿真实验提供了高效的解决方案。
文摘虚拟局域网(Virtual Local Area Network,VLAN)扩展技术中的嵌套(QinQ)技术和映射(Mapping)技术更好地解决了传统VLAN在标签数量限制、跨域互通瓶颈、用户隔离等方面的问题。为了探究这两种技术的工作原理与适用场景,利用华为企业网络仿真平台(Enterprise Network Simulation Platform,eNSP)搭建对比实验环境,构建网络拓扑,配置运行命令,验证测试不同终端之间的连通性,数据抓包分析数据标签封装过程,总结不同技术在扩展能力、隔离效果、配置复杂度等方面的区别。实验结果表明,QinQ技术更适用于大规模隔离需求,Mapping技术更适用于跨域网络动态配置场景,二者可以同时应用于1台设备,互补提升了VLAN扩展的灵活性与部署效率。
文摘针对目前船厂实习路途遥远、实习内容有限、成本高且安全风险大等问题,基于互联网的开放共享特性、VR技术和可穿戴设备的沉浸式仿真效果,应用Unity3D和Visual Studio C#设计了虚拟船厂、船舶交互仿真实验教学系统。组建了学习、漫游、考评一体化的实验平台,将“互联网+”概念应用到特色实验教学中去,结合传统实验教学,探索了一种新型实验教学和考核模式,克服了教学手段缺乏改革创新、学生学习兴趣不高、优质教学资源匮乏等问题。
