Question

Consider a channel that can lose packets but has a maximum delay that is known. Modify Protocol rdt2.1 to include sender timeout and re-transmission. Informally argue why your revised protocol can communicate correctly over this channel

Answer 1

Answer:

See attached picture.

Explanation:

As the packets are being lost, so the introduction of re-transmission and timeout are used to identify the lost packets and re-transmit them. So, the revised protocol can communicate correctly over this channel.