User's Manual

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Best-effort service
The best-effort service is a singular service model. In this service model, an application can send any amount
of data at any necessary time without application of permits or network notification. As to the best-effort service,
if allowed, the network can transmit data without any guarantee of reliability, delay or throughput. The QoS of
the switch on which the best-effort service is realized is in nature this kind of service, that is, first come and
first served (FCFS).