Stop and wait protocol example

For example, if there are 1000 data packets to be sent, then all the 1000 packets cannot be sent at a time as in Stop and Wait protocol, one packet is sent at a time.

1. Where is stop and wait protocol used?
2. What is the to time of stop and wait protocol?
3. Is TCP stop and wait?
4. What is the main advantage of stop and wait protocol?
5. What is protocol in simple words?
6. What is the difference between stop and wait and wait ARQ?
7. Why acknowledgement is numbered in stop and wait protocol?
8. Is TCP GBN or SR?
9. What is the difference between go back n protocol and Stop n Wait protocol?
10. What are the differences between stop and wait and pipelining protocol?
11. What is the role of timers in ARQ protocols?
12. What is main disadvantage of stop and wait protocol?
13. How can you perform bit stuffing?
14. Why sliding window flow control is better than stop and wait?

Where is stop and wait protocol used?

It is used in Connection-oriented communication. It offers error and flows control. It can be used in data Link and transport Layers. Stop and Wait ARQ executes Sliding Window Protocol with Window Size 1.

What is the to time of stop and wait protocol?

In this, the sender will send one frame at a time to the receiver. The sender will stop and wait for the acknowledgment from the receiver. This time(i.e. the time between message sending and acknowledgement receiving) is the waiting time for the sender and the sender is totally idle during this time.

Is TCP stop and wait?

This service department lies in the hands of TCP. Their major flow control protocols – Stop and Wait, Go Back N, and Selective Repeat. The sender sends the packet and waits for the ACK (acknowledgement) of the packet. ... As in case of packet loss, the entire window would be re-transmitted.

What is the main advantage of stop and wait protocol?

The main advantage of stop & wait protocols is its accuracy. Next frame is transmitted only when the first frame is acknowledged. So there is no chance of frame being lost. The main disadvantage of this method is that it is inefficient.

What is protocol in simple words?

noun. pro·​to·​col | \ ˈprō-tə-ˌkȯl , -ˌkōl, -ˌkäl, -kəl \ Essential Meaning of protocol. 1 : a system of rules that explain the correct conduct and procedures to be followed in formal situations The soldier's actions constitute a breach of military protocol.

What is the difference between stop and wait and wait ARQ?

Working of Stop & Wait ARQ is almost like Stop & Wait protocol, the only difference is that it includes some additional components, which are: Time out timer. Sequence numbers for data packets. Sequence numbers for feedbacks.

Why acknowledgement is numbered in stop and wait protocol?

Sequence number on data packets help to solve the problem of delayed acknowledgement. Consider the acknowledgement sent by the receiver gets lost. Then, sender retransmits the same data packet after its timer goes off. ... The sequence number on the data packet helps the receiver to identify the duplicate data packet.

Is TCP GBN or SR?

* Is TCP like GBN or SR? TCP does something in between GBN and SR, closer to SR. TCP sends only one packet that it thinks is lost, not entire window, so not like GBN. TCP receiver buffers out of order segments.

What is the difference between go back n protocol and Stop n Wait protocol?

In Stop and Wait protocol, no specific order is needed at receiver end. In GoBackN protocol, in-order delivery only are accepted at receiver end. In Selective Repeat protocol, out-of-order deliveries also can be accepted at receiver end.

What are the differences between stop and wait and pipelining protocol?

The main difference between Stop-and-wait protocol and Sliding window protocol is that in Stop-and-Wait Protocol, the sender sends one frame and wait for acknowledgment from the receiver whereas in sliding window protocol, the sender sends more than one frame to the receiver and re-transmits the frame(s) which is/are ...

What is the role of timers in ARQ protocols?

Timers are pieces of hardware or software (usually provided as routines in an operating system) which count down from some preset timer value. Timers are started and stopped whenever particular types of events occur. In most cases, timers are stopped before their time out period expires, and no action is taken.

What is main disadvantage of stop and wait protocol?

Major drawback of Stop-and-Wait Flow Control is that only one frame can be in transmission at a time, this leads to inefficiency if propagation delay is much longer than the transmission delay.

How can you perform bit stuffing?

Bit Stuffing Mechanism

Whenever a 0 bit is followed by five consecutive 1bits in the message, an extra 0 bit is stuffed at the end of the five 1s. When the receiver receives the message, it removes the stuffed 0s after each sequence of five 1s. The un-stuffed message is then sent to the upper layers.

Why sliding window flow control is better than stop and wait?

In Stop and Wait protocol, sender sends single frame and waits for acknowledgment from the receiver. In Sliding window protocol, sender sends multiple frames at a time and retransmits the damamged frames. Stop and Wait protocol is less efficient. Sliding Window protocol is more efficient than Stop and Wait protocol.