Design And Implementation Of Tcp/ip Chat Client Server Option And Challenges

ABSTRACTIn addition to sending messages between users, instant messaging systems allow users to exchange files. Current systems transfer files directly between peers rather than through the server, as with text messaging. In other words, the technique shown in Figure 2 is always used for file transfers. This peer-to-peer scheme is used to eliminate the high bandwidth demands that server-centric file transfers would place on the provider’s network. Currently, none of the major instant messaging systems encrypt files transferred between instant messaging clients. While the files do not dire…