WEB SERVICES-- SOA,SOAP,WSDL,REST SERVICES
JSON FORMAT--Ajax introduction>XMLHTTP object comparision
A Rich Internet Application (RIA) is a web application that has many of the characteristics of desktop applications, typically delivered either by way of a site-specific browser, via a browser plug-in, independent sandboxes, or virtual machines.Adobe Flash, Java, and microsoft Silverlight are currently the three most common platforms, with penetration rates around 99%, 80%, and 54% respectively (as of July 2010). Although new web standards have emerged, they still use the principles behind RIAs
