The components of total latency

Sender

Sender overhead Transmission time

Time of flight

Transmission time Receiver overhead

Receiver

Transport latency

Total latency

First bit enters the net

Last bit enters the net

First bit arrives

Last bit arrives

The time during which (some part of the)

message is in the network

= Sender overhead + Time of flight + Transmission time + Receiver overhead

Total latency

7

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