{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","title":"数字化生存 20周年纪念版","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121307362","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","uuid":"bbcce9bd-b637-4fa6-8a80-dadabab80104","title":"数字化生存 20周年纪念版","normalized_title":"数字化生存20周年纪念版","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121307362","isbns":["9787121307362"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":362,"navigation_url":"https://workshop.closeclaw.top/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E5%8C%96%E7%94%9F%E5%AD%98%2020%E5%91%A8%E5%B9%B4%E7%BA%AA%E5%BF%B5%E7%89%88","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/bbcce9bd-b637-4fa6-8a80-dadabab80104","page_url":"https://workshop.closeclaw.top/api/ai/books/bbcce9bd-b637-4fa6-8a80-dadabab80104/page","search_url":"https://workshop.closeclaw.top/api/ai/books/bbcce9bd-b637-4fa6-8a80-dadabab80104/search"},"page":{"printed_page":234,"pdf_page":305,"physical_index":305,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"ba9252218fa67500ce66a21070d59c764a676d6879b2133155e086fea2e8a780"},"chapter":"20周年纪念版 数字化生存 一本影响千百万人的互联网启蒙经典著作","content":"军方拨款资助ARPA网络的时候，正值冷战高峰。核战争的威胁令大家忧心忡忡。因此，假设6号信息包经过明尼阿波利斯（Minneapolis)的时候，敌人的飞弹恰好落在这个城市。6号信息包因此不见了。其他的信息包一确定它不见了，就会要求波士顿重新传送一次（这次不再经过明尼阿波利斯了)。\n\n也就是说，因为我总是有办法找到可用的传输路径，假如要阻止我把信息传送给你，敌人必须先扫荡大半个美国。没错，在寻找可用的传输路径时（假如越来越多的城市被敌人摧毁)，系统的速度就会减慢，但是系统不会灭亡。了解这个道理非常重要，因为正是这种分散式体系结构令互联网络能像今天这样三头六臂。无论是通过法律还是炸弹，政客都没有办法控制这个网络。信息还是传送出去了，不是经由这条路，就是走另外一条路出去。\n\n互联网络的快速发展，令每个人都大吃一惊。假如你是个网上老手，经常抱怨这个网络速度太慢，别忘了，很多国家是靠着窄带的信道与互联网络搭上线的。这些网络的带宽会很快地加宽，系统的表现也会越来越好。在这段时间，当上网人数增加的速度比电信基础设施建设改进的速度还快时，网络的速度偶尔会变慢。但是请放心，网络不会崩溃，只是会慢下来罢了。\n\n234\n\nbeingdigital|数字化生存","previous_page":null,"next_page":235}