IPv4 and IPv6 will coexist for many years during the transition period from the traditional IPv4-based Internet to an IPv6-based Internet.DHTLayer,a novel IPv4/IPv6 transition mechanism based on Distributed Hash Table...IPv4 and IPv6 will coexist for many years during the transition period from the traditional IPv4-based Internet to an IPv6-based Internet.DHTLayer,a novel IPv4/IPv6 transition mechanism based on Distributed Hash Table(DHT) is presented in this paper.It can fully support IPv4 and IPv6 inter-operation.DHTLayer employs a DHT overlay to maintain the routing information between IPv4 and IPv6.It decouples path selection from packet delivery.In DHTLayer,the Looking-Up Route Path is responsible for selecting paths,and then the Delivering Process takes charge of delivering IP packets along the path selected above.Simulation results show that it is very effective and efficient.展开更多
随着网络用户的不断增长,互联网协议第四版(internet protocol version 4,IPv4)的诸多缺陷已严重制约了互联网的发展,过渡至互联网协议第六版(internet protocol version 6,IPv6)已势在必行。由于高校校园网设备多、用户多、业务应用复...随着网络用户的不断增长,互联网协议第四版(internet protocol version 4,IPv4)的诸多缺陷已严重制约了互联网的发展,过渡至互联网协议第六版(internet protocol version 6,IPv6)已势在必行。由于高校校园网设备多、用户多、业务应用复杂,IPv4向IPv6的过渡将经历一个长期的过程。对比了IPv4和IPv6的区别,分析了IPv4至IPv6的过渡技术,提出高校校园网支持IPv6访问的指导思想和指导原则,并通过案例分析了改造方案,以供国内其他高校相关实践参考。展开更多
基金supported in part by National High Technical Research and Development Program of China(863 Program)under Grant No.2009AA01Z210National Key Basic Research Program of China(973 Program)under Grant No.2009CB320504+1 种基金Guangdong Ministry of Education Industry-Academia-Research project under Grant No.2009B090300315supported by the special program for joint construction project of Beijing
文摘IPv4 and IPv6 will coexist for many years during the transition period from the traditional IPv4-based Internet to an IPv6-based Internet.DHTLayer,a novel IPv4/IPv6 transition mechanism based on Distributed Hash Table(DHT) is presented in this paper.It can fully support IPv4 and IPv6 inter-operation.DHTLayer employs a DHT overlay to maintain the routing information between IPv4 and IPv6.It decouples path selection from packet delivery.In DHTLayer,the Looking-Up Route Path is responsible for selecting paths,and then the Delivering Process takes charge of delivering IP packets along the path selected above.Simulation results show that it is very effective and efficient.
文摘随着网络用户的不断增长,互联网协议第四版(internet protocol version 4,IPv4)的诸多缺陷已严重制约了互联网的发展,过渡至互联网协议第六版(internet protocol version 6,IPv6)已势在必行。由于高校校园网设备多、用户多、业务应用复杂,IPv4向IPv6的过渡将经历一个长期的过程。对比了IPv4和IPv6的区别,分析了IPv4至IPv6的过渡技术,提出高校校园网支持IPv6访问的指导思想和指导原则,并通过案例分析了改造方案,以供国内其他高校相关实践参考。
