Performance Of Networks

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LOSS

Data loss occurs when queue is full or cache memory of router is full

DELAY

Due to 4 reasons we have delays

  1. Transmission delay -> (packet length)/(link transmission rate)
  2. Propogation delay -> (length of physical link)/(propogation speed)
  3. Queue delay -> Time when packet waits in queue
  4. Nodal processing delay -> Time for detecting errors in packets

THROUGHPUT

Rate at which data is sent from sender to reciever