Concerning Issues

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 Client

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.

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