Server Down Problem
If a server down, then the user information that store in this server will not
be available, therefore, some of users cannot login UNICHAT due to no server
vertify their password.
Network Performance Problem
If the performance of network to one server is low, then the overall
performance may decrease. How can we ensure the good quality of communication?
File Transfer and Chat Function in Web-based
Unless we open a special port in client, we cannot implement TCP function such
as chat and file transfer (Consideration of server loading). If we implement
such functions by using special port, some of web-based client may not use it as
some firewall will block most of the ports.
If you have any suggestion, free feel to