27-12-2012, 07:02 PM
Integrated Learning environment over internet
Integrated Learning.ppt (Size: 701 KB / Downloads: 116)
Problem Definition
This project aims at putting together an integrated e-Learning environment for a university student.
This will also be used by distance education programs offered by institutes, in order to enable students to avail of the academic facilities from any computer connected to the internet.
Basic Terminology
CMP – Container Managed Persistence
EJB container takes care of making sure the entity bean object stays around.
BMP – Bean Managed Persistence
You as the bean programmer can take over the responsibility of managing the "persistence" of the data -- of where the data stays when the server is not running or when the bean is not in memory.
WebServices
RMI offers an order of magnitude better
performance than other alternatives, being at least 8.5 times faster than Web Services
HTTP-to-servlet is more than 4 times slower than web services.
Reference: “Java RMI, RMI Tunneling and Web Services Comparison and Performance Analysis” - Matjaz B. Juric, Bostjan Kezmah, Marjan Hericko, Ivan Rozman, Ivan Vezocnik