Answer / jitender sinha

it is also know as ssh protocol
it work on 3ree step
let supoose that machine 1 want to comunicate withe machine 2
then what process take place.
step 1 node one send the request to the node to and wiat for ack
step 2.node 2 accept the request and send the ack
step 3 node 1 acccept the request and send the request again
and communucation get stared

Answer / nikhil maggu

Jeetu just want to correct you with your 3rd step
i.e after receiving ACK back the sender(or 1st node) sends
back ACK/confirmation[Not request] as to confirm start of
the session

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