Problem:

(a) Assume that a new application layer protocol is developed for video conferencing application. Which transport layer protocol, between TCP and UDP, will you use and why?

(b) Some characteristics of TCP are listed below. Explain briefly how does TCP perform the following functions?

(i) Flow Control.
(ii) Connection-oriented.
(iii) Error/loss recovery

(c) Using TCP state diagrams, show the following:

(i) TCP Connection Setup
(ii) Lost Data
(iii) Premature Timeout
(iv) Termination of a connectiona

(d) FTP is said to have an out-of-band connection. Explain what it means?