Show the congestion control in TCP, Computer Networking

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Q. Show the Congestion control in TCP?

Congestion control in TCP

  • TCP assumes that the cause of lost segment is due to congestion in the network
  • Retransmission of the lost packets doesn't solve congestion problem - it aggravates it
  • In flow control, sender window size determined by the receiver window - no information about the network congestion
  • If the network cannot deliver data to the receiver due to congestion, it has to inform the sender to slow down
  • Congestion window: min (receiver window size and congestion window size)

 


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