Migate the rst one with persistent connecons http11

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: bility •  This is also bad… –  Some applica)ons need persistent state –  Need to uniquely iden)fy user to customize content –  E.g., shopping cart, web- mail, usage tracking, (most sites today!) HTTP Cookies •  Client- side state maintenance –  Client stores small state on behalf of server –  Sends request in future requests to the server –  Cookie value is meaningful to the server (e.g., session id) •  Can provide authen)ca)on •  hUp://en.wikipedia.org/wiki/HTTP_cookie Request Response Set- Cookie: XYZ Request Cookie: XYZ Where to find official HTTP specifica)on? www.w3.org Anatomy of a Web Page •  HTML content •  A number of addi)onal resources –  Images –  Scripts –  Frames •  Browser makes one HTTP request for each object –  Course web page: 4 objects –  My facebook page this morning: 100 objects What about AJAX? •  As...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online