Question
Download Solution PDFConsider the following two statements:
S1: TCP handles both congestion and flow control
S2: UDP handles congestion but not flow control
Which of the following option is correct with respect to the above statements (S1) and (S2)?Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFS1: TCP handles both congestion and flow control [Correct]
- TCP (Transmission control protocol) is a connection oriented reliable transport protocol. It provides process to process communications using port numbers.
- It provides services like flow control, error control, congestion control. A packet that is sent is known as segment in TCP.
- In TCP, transmission requires three phases: connection establishment, data transfer and connection termination. It uses three way handshaking mechanism for connection establishment and termination.
S2: UDP handles congestion but not flow control [incorrect]
- UDP (User datagram protocol) is called a connectionless, unreliable transport protocol.
- It does not add anything to the services of IP except providing process to process communication.
- There is no flow control, error control and congestion control mechanism in UDP. To send a message from one process to another,
- UDP protocol encapsulates and decapsulates messages in an IP datagram.
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