HTTP权威指南 读书笔记-server

web server responsiblity: manager resource, handle with tcp connection, itself administration

1. 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, cache.



Notes： trace can access this kind of proxies。

3. Cache

CDN http://en.wikipedia.org/wiki/Content_delivery_network

It need to sync, freshness check, and validation.





4. Integration Points: Gateways, Tunnels, and Relays

Gateways: webserver can communication with application with low performance.



Tunnels: You can send non-HTTP traffic through HTTP connections, allowing other protocols to piggyback on top of HTTP