OSPF路由协议是计算机网络技术专业重要的知识点之一,对Windows Server 2003下OSPF路由协议的实现进行了研究,提出了运用虚拟机提供的虚拟平台进行Windows Server 2003下OSPF路由实现教学设计,设计了网络拓扑结构,构建了虚拟网络平台,...OSPF路由协议是计算机网络技术专业重要的知识点之一,对Windows Server 2003下OSPF路由协议的实现进行了研究,提出了运用虚拟机提供的虚拟平台进行Windows Server 2003下OSPF路由实现教学设计,设计了网络拓扑结构,构建了虚拟网络平台,配置了Windows Server 2003下OSPF路由协议,最终对实训的结果进行了验证.展开更多
提出了一种基于网络仿真平台实现DHCP中继代理的设计方案。首先使用VMware构建网络仿真平台。接着利用Windows Server 2003的路由和远程访问服务、DHCP服务,实现不同子网之间的路由。并能为不同子网间客户机动态分配IP地址。最后,对该...提出了一种基于网络仿真平台实现DHCP中继代理的设计方案。首先使用VMware构建网络仿真平台。接着利用Windows Server 2003的路由和远程访问服务、DHCP服务,实现不同子网之间的路由。并能为不同子网间客户机动态分配IP地址。最后,对该设计方案进行了仿真实验。实验表明该设计方案运行稳定、安全性较高、无需专用的路由设备,也无需多台DHCP服务器。且成本低廉、易于实现,是一个可以推向实用的设计方案。展开更多
利用公共网络平台创建虚拟专用网络,是当前解决外网用户对内部网络访问问题的最有效方法。提出了一种内部网络实现VPN的方法。该方法以Windows Server 2003路由协议、远程访问技术为基础,并结合了IPSec加密技术、PPTP隧道协议构建了IPSe...利用公共网络平台创建虚拟专用网络,是当前解决外网用户对内部网络访问问题的最有效方法。提出了一种内部网络实现VPN的方法。该方法以Windows Server 2003路由协议、远程访问技术为基础,并结合了IPSec加密技术、PPTP隧道协议构建了IPSec VPN虚拟网络。实验证明该方法安全性较高、运行稳定且易于实现。展开更多
Many energy efficiency asynchronous duty-cycle MAC(media access control) protocols have been proposed in recent years.However,in these protocols,wireless sensor nodes almost choose their wakeup time randomly during th...Many energy efficiency asynchronous duty-cycle MAC(media access control) protocols have been proposed in recent years.However,in these protocols,wireless sensor nodes almost choose their wakeup time randomly during the operational cycle,which results in the packet delivery latency increased significantly on the multiple hops path.To reduce the packet delivery latency on multi-hop path and energy waste of the sender's idle listening,a new low latency routing-enhanced asynchronous duty-cycle MAC protocol was presented,called REA-MAC.In REA-MAC,each sensor node decided when it waked up to send the beacon based on cross-layer routing information.Furthermore,the sender adaptively waked up based on the relationship between the transmission request time and the wakeup time of its next hop node.The simulation results show that REA-MAC reduces delivery latency by 60% compared to RI-MAC and reduces 8.77% power consumption on average.Under heavy traffic,REA-MAC's throughput is 1.48 times of RI-MAC's.展开更多
文摘OSPF路由协议是计算机网络技术专业重要的知识点之一,对Windows Server 2003下OSPF路由协议的实现进行了研究,提出了运用虚拟机提供的虚拟平台进行Windows Server 2003下OSPF路由实现教学设计,设计了网络拓扑结构,构建了虚拟网络平台,配置了Windows Server 2003下OSPF路由协议,最终对实训的结果进行了验证.
文摘提出了一种基于网络仿真平台实现DHCP中继代理的设计方案。首先使用VMware构建网络仿真平台。接着利用Windows Server 2003的路由和远程访问服务、DHCP服务,实现不同子网之间的路由。并能为不同子网间客户机动态分配IP地址。最后,对该设计方案进行了仿真实验。实验表明该设计方案运行稳定、安全性较高、无需专用的路由设备,也无需多台DHCP服务器。且成本低廉、易于实现,是一个可以推向实用的设计方案。
文摘利用公共网络平台创建虚拟专用网络,是当前解决外网用户对内部网络访问问题的最有效方法。提出了一种内部网络实现VPN的方法。该方法以Windows Server 2003路由协议、远程访问技术为基础,并结合了IPSec加密技术、PPTP隧道协议构建了IPSec VPN虚拟网络。实验证明该方法安全性较高、运行稳定且易于实现。
基金Projects(61103011,61170261) supported by the National Natural Science Foundation of China
文摘Many energy efficiency asynchronous duty-cycle MAC(media access control) protocols have been proposed in recent years.However,in these protocols,wireless sensor nodes almost choose their wakeup time randomly during the operational cycle,which results in the packet delivery latency increased significantly on the multiple hops path.To reduce the packet delivery latency on multi-hop path and energy waste of the sender's idle listening,a new low latency routing-enhanced asynchronous duty-cycle MAC protocol was presented,called REA-MAC.In REA-MAC,each sensor node decided when it waked up to send the beacon based on cross-layer routing information.Furthermore,the sender adaptively waked up based on the relationship between the transmission request time and the wakeup time of its next hop node.The simulation results show that REA-MAC reduces delivery latency by 60% compared to RI-MAC and reduces 8.77% power consumption on average.Under heavy traffic,REA-MAC's throughput is 1.48 times of RI-MAC's.
