End-to-end delay

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End-to-end delay refers to the time taken for a packet to be transmitted across a network from source to destination.

dend-end= N[ dtrans+dprop+dproc]

where
dend-end= end-to-end delay
dtrans= transmission delay
dprop= propagation delay
dproc= processing delay
dqueue= Queuing delay
N= number of links (Number of routers + 1)
Note: we have neglected queuing delays.

Each router will have its own dtrans, dprop, dproc hence this formula gives a rough estimate.

See also[edit]