Answer to Question #303531 in Computer Networks for bere

Question

a) compare the TCP header and the UDP header. List the fields India the TCP header that are not present in UDP header. Give the reason for their absence.

 b) what is cognation? Explain any one of the cognation control mechanism.

Answer 1

a)Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) are the two standard transport layers used with internet protocol (IP). The field that are missing in the UDP header but present in the TCP header are - The sequence number, acknowledge number, and Window fields.The reason why the fields are absent in UDP is because TCP uses acknowledge flags to make an established reliable connection between a client and server.

b) congestion is a state that occurs in the network layer when the message traffic is so heavy that it slows down network response time.