b/S structure
b/s structure, that is, Browser/server (browser/server) structure, Web application, that is, the program running in the browser for the Web application. Programs that run in a browser are BS-structured programs. BS application does not need to have its files locally. Just use the browser to enter the ULR address.
client/server or client/server mode
(Client/server or client/server mode): A Windows application, that is, a program that runs in a browser other than a Windows application. Programs that do not run in a browser are CS-structured programs. CS application needs to have its files locally (either copy or install)
what is RIA?
RIA (Rich Interface applications) rich interface application, rich Internet application, commonly known as FAT client.
HTML 5, Silverlight,flash the development of these several programs for RIA programs. The interface is beautiful and smooth.