At the beginning of 2020,the economic growth of China faced huge pressure due to the impact of COVID-19.Recently,several provinces,autonomous regions and municipalities directly under the Central Government have relea...At the beginning of 2020,the economic growth of China faced huge pressure due to the impact of COVID-19.Recently,several provinces,autonomous regions and municipalities directly under the Central Government have released their project lists with a total investment of dozens of trillions Yuan.As of March 10,2020,25 provinces,autonomous regions and municipalities have published their future investment plans,covering 22,000 projects with a total investment of 49.6 trillion Yuan,including 7.6 trillion Yuan to be invested in 2020.Investment of capital construction plays the significant role of economic underpinning under the countercyclical regulation,and the new infrastructure construction represents the new mode of future investment of capital construction,making it one of the market hotspots.展开更多
域间路由系统、域名系统和公钥基础设施等是互联网重要的基础设施,它们是互联网的网络连通性、服务可用性和通信可信性的基础。然而,这些基础设施或其背后的可信模型是中心化的,存在着中心节点权限过大、单点失效等脆弱性,降低了互联网...域间路由系统、域名系统和公钥基础设施等是互联网重要的基础设施,它们是互联网的网络连通性、服务可用性和通信可信性的基础。然而,这些基础设施或其背后的可信模型是中心化的,存在着中心节点权限过大、单点失效等脆弱性,降低了互联网的安全性、可靠性和平等性。为了构建一个更加安全、可靠、平等和开放的互联网,尝试提出了去中心化的互联网基础设施(decentralized internet infrastructure,DⅡ),并讨论其体系结构和各层的设计,分析系统的可行性。DⅡ架构包含3个层次:底层利用分布式账本技术构建基础的去中心化能力;中间层构建IP地址和域名等互联网名字空间的去中心化可信管理机制,并支持安全可信的域间路由和域名映射系统;顶层为开放的应用层,支持和促进创新、可信的去中心化互联网应用。展开更多
文摘At the beginning of 2020,the economic growth of China faced huge pressure due to the impact of COVID-19.Recently,several provinces,autonomous regions and municipalities directly under the Central Government have released their project lists with a total investment of dozens of trillions Yuan.As of March 10,2020,25 provinces,autonomous regions and municipalities have published their future investment plans,covering 22,000 projects with a total investment of 49.6 trillion Yuan,including 7.6 trillion Yuan to be invested in 2020.Investment of capital construction plays the significant role of economic underpinning under the countercyclical regulation,and the new infrastructure construction represents the new mode of future investment of capital construction,making it one of the market hotspots.
文摘域间路由系统、域名系统和公钥基础设施等是互联网重要的基础设施,它们是互联网的网络连通性、服务可用性和通信可信性的基础。然而,这些基础设施或其背后的可信模型是中心化的,存在着中心节点权限过大、单点失效等脆弱性,降低了互联网的安全性、可靠性和平等性。为了构建一个更加安全、可靠、平等和开放的互联网,尝试提出了去中心化的互联网基础设施(decentralized internet infrastructure,DⅡ),并讨论其体系结构和各层的设计,分析系统的可行性。DⅡ架构包含3个层次:底层利用分布式账本技术构建基础的去中心化能力;中间层构建IP地址和域名等互联网名字空间的去中心化可信管理机制,并支持安全可信的域间路由和域名映射系统;顶层为开放的应用层,支持和促进创新、可信的去中心化互联网应用。