I have following doubt regarding Fast retransmitting. First of all i will Explain Fast retransmit.
Fast Retransmit-:If a sender has send packet P,P+1,P+2...P+N and let Packet P is lost ,Now Reciever is expecting Packet P.Reciever will send 3 Duplicate Ack to sender "expecting Packet P".Sender on recieving 3 Duplicate Ack,Retransmit Packet P.
- What Happens to Packet P+1,P+2,...,P+N ?
- Do sender Need to retransmit Packet P+1,P+2....P+N also??