Transmission Control Protocol (TCP): TCP is an internet protocol used for exchanging of data between the sender and the receiver. It is a secured protocol for transferring the data. When the sender sends data to the receiver, he/she waits for the acknowledgement from the receiver. If acknowledgement is received then the next data packet will be sent and the process continues till all the data packets are sent. If acknowledgement is not received then the receiver is assumed as hacker or intruder and the connection will be removed. User Datagram Protocol (UDP): User datagram protocol is a connectionless protocol. The protocols used in UDP cannot establish the connection for data communication. It is one of the communication protocol suites used for transferring small messages termed as datagram. Alternative for TCP is UDP, but the data transfer speed of UDP is higher than TCP because there is no acknowledgment and error-checking. Checksum and port number are the two services provided by the UDP. There is no guarantee for data delivery and duplication of data. It doesn’t provide a reliable service.

Question

Page: 1 Task: 1. Analyze the resource allocation graph in the PDF and check for deadlocks. 2. Propose a recovery method to resolve any detected deadlock. 3. Evaluate the trade-offs between deadlock prevention and detection strategies. Link: https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440 AZF/view?usp=sharing

Answer 1

Question

Chapter 3, Problem 11RQ

Program Plan Intro

Transmission Control Protocol (TCP):

TCP is an internet protocol used for exchanging of data between the sender and the receiver. It is a secured protocol for transferring the data.

When the sender sends data to the receiver, he/she waits for the acknowledgement from the receiver.

If acknowledgement is received then the next data packet will be sent and the process continues till all the data packets are sent.

If acknowledgement is not received then the receiver is assumed as hacker or intruder and the connection will be removed.

User Datagram Protocol (UDP):

User datagram protocol is a connectionless protocol.

The protocols used in UDP cannot establish the connection for data communication.

It is one of the communication protocol suites used for transferring small messages termed as datagram.

Alternative for TCP is UDP, but the data transfer speed of UDP is higher than TCP because there is no acknowledgment and error-checking.

Checksum and port number are the two services provided by the UDP.

There is no guarantee for data delivery and duplication of data.

It doesn’t provide a reliable service.

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