Difference between droplet and servlet

Servlet	Droplet
Servlet is a java class which extends HttpServlet	Droplet is java class which extends DynamoServlet (customized in atg)
Servlet extends             HttpServlet extends                         GenericServlet implements     javax.servlet.Servlet	Droplet extends             Dynamo Servlet extends                         HttpServletService extends                                     ServletService implements javax.servlet.Servlet
Servlet can be invoked from a jsp giving the servlet path and name <jsp:forward page="/MyServlet"/> or <form method="POST" action="/ProfileSyncService">	Droplet can be embedded in jsp as <dsp:droplet name="sampleDroplet"> to fetch the information
Not applicable.	One or more droplets can be present in a jsp. Nested droplets are also applicable.
Servlet is used to submit data, it acts as a controller. It is not used to put data.	Droplet is used to render or put data in the db

ATG Servlet Pipeline Lifecycle

Every ATG request goes through a servlet pipeline and the lifecycle diagram is as follows.



Follows the logs of a sample request which goes through a servlet pipline