What is different between a jsf portlet and plain jsf application

[raminaa niilian]

Hi
Thank you for reading my post.
I want to know what is different betweena jsf portlet and a plain jsf web application.
imagine that i made a web application using myfaces components , now i wannt to deploy that web application
into some portlet container like JetSpeed . if i do not need any information from the portal (user name , portal session ...)
then how i much works it needs ?

another question is :
what is internal technical differences between a jsf portlet and a jsf web application ?

sorry for poor english
Thank you