In optical burst switching, offset time is the time between the burst header/control packet. The offset time used in one-way reservation schemes allows the network time to schedule the burst and set-up resources prior to burst arrival is sent into the network. The offset time can be varied to allow the network time to configure based on the information carried in the burst header packet. By varying the offset time, different levels of quality of service can be provided.
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“We disparage reason.
But all the time it’s what we’re most concerned with.
There’s will as motor and there’s will as brakes.
Reason is, I suppose, the steering gear.”
—Robert Frost (1874–1963)