Difference between Web server and Application server?

Web Server	Application Server
Manages and executes only web applications	Manages and executes web applications , EJB Components and web enterprise applications
Comes with only web container	Comes with web container ,EJB Container
Allows only Http Clients	Allows all types of java clients including Http Clients like Java App , AWT , Swing etc
Recognizes only war files as applications	Recognizes WAR , JAR , EAR And RAR files as Applications.   EAR = WAR + RAR
Gives less amount of middleware services	Gives more amount of middleware services (nearly 16)
Examples : Tomcat , Resin , Jws , Pws	WebLogic , WebSphere , JBoss , JRun , O10gAs
Web Server implements only Servlet ,Jsp Api’s of J2EE Specification.	Application server implements all API’