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How does the Go-Back-N ARQ protocol ensure reliable data transmission over a network?
The Go-Back-N ARQ protocol ensures reliable data transmission over a network by using sequence numbers to track and acknowledge the successful receipt of data packets. If a packet is lost or corrupted, the protocol prompts the sender to retransmit all unacknowledged packets from the last successfully received packet. This process helps to maintain the correct order of data transmission and minimize errors in the network.
Lost transport layer packets?
Transport layer is the fourth layer in the OSI model. Transport layer is responsible for process to process delivery of entire message. Other than that it also control connection, flow of data and error , thus will resend the packet if it get lost in between.
What are packets?
If we are sending a file in one go and if some error occurred in between the file transfer then the complete file has to be resend which wastes the bandwidth so to prevent this, the file to send is divided in to smaller unit which we call packet, and then send packets 1 by one so that if a packet is lost then we need to send only that particular packet not the complete file.
What is packet loss in networking?
A packet may be lost due to congestion: too many packets are sent, the queue gets full, and eventually the router or switch starts dropping packets. It may also occur due to different failures; including temporary cabling problems, problems in a switch or router, etc.; these in turn can cause temporary problems with the routing information (a "non-converged network"), causing the packets to travel in loops until the TTL runs out, or a router erroneously concluding that a certain address can't be reached. This latter problem might also be caused by a misconfigured router.
Is TCP a reliable protocol for data transmission?
Yes, TCP (Transmission Control Protocol) is a reliable protocol for data transmission. It ensures that data is delivered accurately and in the correct order by using error checking and retransmission of lost packets.
Which layer lost packets are traced?
Session Layer traced lost Packets.
At which layer lost packets are traced?
At which layer lost packets are traced?
What is the percentage of packets are lost in transmission in north America?
About 20%
What is a sentence using detect?
I had to detect the man that was in the car with the lost boy !
Where was the router invented?
Because everyone's packets kept getting lost
What is packetization delay?
Hi, Packetization delay is the difference in between end to end one way delay between selected packets in a flow with any lost packets.
1 Which OSI layer does IP rely on to determine whether packets have been lost and to?
Transport!
What kinds of available systems sufficiently secure the reliability of network transmission?
TCP does, not sure about others. TCP can handle out-of-order packets and lost packets. Even though TCP does some rudimentary error checking, corrupted packets sometimes get through.
Which OSI layer does IP rely on to determine whether packets have been lost and to request retransmission?
Transport
What is pdv?
PDV stands for packet delay variation. It is a term used in computer networking which is the difference in the end-to-end one-way delay between selected packets in any ignored lost packets.
How many packets of data must FTP keep at a time to be able to retransmit lost packets?
TFTP needs to keep a copy of only the last packet it has sent, since the acknowledgement mechanism it implements guarantees that all the previous packets have been received, and thus will not need to be retransmitted.
Does udp guarantee delivery of packets?
No, UDP (User Datagram Protocol) does not guarantee the delivery of packets. It is a connectionless protocol that sends packets without establishing a connection or ensuring that they arrive at their destination. This means packets can be lost, duplicated, or delivered out of order. UDP is often used in applications where speed is critical and some data loss is acceptable, such as in streaming media or online gaming.
