Registration:-user registration with the system with information access control and information management issues -product registration with information access control-product marketing capability within the emarketplace; user notificationAuctioning system:- auction engine design- seller auction setup- buyer auction interface- auction agent design which includes strategies of an agent- buyer auction coalition formation The system should also be designed in terms of its administrative aspects i.e. how various activities of users can be limited, how users are charged for services, how the information is backed up, how the administrator might control users, etc.