2012 年 10月 11 日随笔档案 - RocZhang

公告

2012年10月11日

HTTP权威指南 Identification, Authorization, and Security

摘要： Identification, Authorization, and Security1. Basic Authorization: Simple but potential risk. 1.1 protocol itself 1.2 Sample: NOTE: realm: different realm may use differetn password 46BaseCode: Basic Authertification can be used with ssl to make sure the user/name not easy to be ... 阅读全文

posted @ 2012-10-11 18:43 RocZhang 阅读(265) 评论(0) 推荐(0) 编辑

HTTP权威指南读书笔记-server

摘要： web server responsiblity:manager resource, handle with tcp connection,itself administration1. The request / response workflow:An screenshot from firebug which measure the detail performance.2. Proxy Adding more than lay between client and server, it can do more things: filter, secuty, performance, . 阅读全文

posted @ 2012-10-11 18:30 RocZhang 阅读(188) 评论(0) 推荐(0) 编辑

HTTP权威指南读书笔记-- http based on tcp/ip

摘要： Http connection management1.Web browsers talk to web servers over TCP connections2. Socket communication model3.TCP Performance Considerations 3.1 performance from client perspective 3.2 performance error a. DNS lookup b. Setup socket connection: TCP Connection Handshake Delays: the las... 阅读全文

posted @ 2012-10-11 18:15 RocZhang 阅读(290) 评论(0) 推荐(0) 编辑

HTTP权威指南读书笔记-client

摘要： PartI :1. URI---> URL　＋　URN2. URISyntax <scheme>://<user>:<password>@<host>:<port>/<path>;<params>?<query>#<frag>schema: http/https/ftp/smip/telnet/...frag: used to tag the position of resource content if the content is very large3. Escape cha 阅读全文

posted @ 2012-10-11 14:41 RocZhang 阅读(267) 评论(0) 推荐(0) 编辑

Cloud 的历史

摘要：想到一个问题： B/S 结构很早就普及了，为什么到现在才提出来云计算？很是不解，网上搜了一下。结果意料之中但是还是挺惊讶，云计算早在1961年提出，到亚马逊发布2006年发布第一个商业的ec2/s3, 整整跨度45年。这所谓时势造英雄！下面从概念到商业化的历史演进：阅读全文

posted @ 2012-10-11 10:08 RocZhang 阅读(171) 评论(1) 推荐(0) 编辑