SHARE
SPREAD
HELP

The Tradition of Sharing

Help your friends and juniors by posting answers to the questions that you know. Also post questions that are not available.

To start with, Sr2Jr’s first step is to reduce the expenses related to education. To achieve this goal Sr2Jr organized the textbook’s question and answers. Sr2Jr is community based and need your support to fill the question and answers. The question and answers posted will be available free of cost to all.

Sharing the knowledge gained, is a generous way to change our world for the better. -Sr2Jr

 

#
Authors:
James F. Kurose, Keith W. Ross
Chapter:
Transport Layer
Exercise:
Review
Question:10 | ISBN:9780132856201 | Edition: 6

Question

In our rdt protocols, why did we need to introduce timers?

TextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbook

Answer

To handle losses in the channel. If the ACK for a transmitted packet is not received within the duration of the timer for the packet, the packet (or its ACK or NACK) is assumed to have been lost. Hence, the packet is retransmitted. 

1 0

Discussions

Post the discussion to improve the above solution.