Chapter 2, Problem 22Q

Explanation of Solution

Instant messaging (IM):

• • In today’s world and with the developing technology, one of the fastest growing internet applications is instant messaging (IM).
• • This allows the users to exchange real-time typed messages or chat with friends and sometimes allows a verbal talk or real-time video calling.
• • It works in a similar way as Web where the client needs the IM client software package which communicates with the IM server software package on the server...