《互联网发展趋势探讨ppt培训课件》由会员分享，可在线阅读，更多相关《互联网发展趋势探讨ppt培训课件（28页珍藏版）》请在金锄头文库上搜索。
1、,互联网发展趋势探讨,大纲, 趋势 挑战 动向 探讨,2,趋势,3,Cloud computing,4,Mobile Internet,5,Internet of things,6,Triple play,7,Smart grid,8,Network based battlefield,9,挑战,10,IPv4地址耗尽问题,11,IPv4路由表爆炸问题,12,年宽带用户、,0 0 4 - 2 1 broadband 、 收入 、 and,Traffic (GB),宽带用户（万）,宽带接入收入（亿）,流量爆炸和经济模型问题2Number0of1 年宽带用户users, income流量增长,50
2、00040000,traffic,宽带流量（GB）,47217,Number of broadband,users (10K),30000,Broadband income (10M),21940 20000,100000,1420,2201221,3074590,39461263,47032201,1019464685598 4737,7323,2004,2005,2006,2007,2008,2009,2010,2011,13,安全问题,14,动向,15,GENI,16,Internet2,17,IPv4 address depletion,18,探讨,19,20,IPv6地址分布（1）,
3、http:/www.ipv6actnow.org/info/statistics/#alloc,21,IPv6地址分布（2）,http:/ as of 04/09/2009,CERNET十年来的过渡实践,Dual-StackNFSCNET,SAVI IETF WG IETF RFC5210,TunnelIPv6 over IPv4CERNET-6BoneIPv4CERNET 1500 universities 20M subscribers,TunnelIPv4 over IPv6IETF softwire WGRFC5565IPv6 onlyCERNET2 100 universities
4、1M subscribers,TranslationIVI Bi-direction StatelessTranslationIETF Behave WG,1994,1998,2001,2004,2005,2006,2007,2008,25,Service,Network,User,IPv4/IPv6过渡策略,IPv4IPv4 areaSupportIPv4V4 only NetworkSupport IPv4,IVI,TransitionIPv6 areaSupportIPv6 (IVI)V6 only NetworkSupport IPv6 (IVI),IPv6SupportIPv6 (non-IVI)Support IPv6 (non-IVI),27,28,互联网技术的重要优势一、为用户开发创新性应用搭建了开放平台,IPv4,IP,IPv6,二、包容和使用几乎所有通信和网络技术,
