Upstream Target Rate: This is the requested
rate of upstream traffic, from the source to the
endpoint.
Downstream Target Rate: This is the requested
rate of downstream traffic, from the endpoint to
the source.
NOTE: The 99.98 Mbps and similar values
provided in the Target Rate options are
meant to test the maximum, worst case
throughput on an Ethernet link. Though
greater rates are possible under perfect con-
ditions, the limitation of 99.98% of the link
rate results from asynchronous clocks in
Ethernet. The IEEE 802.3 Ethernet standard
allows link partners to differ by up to 0.02%
of their clock signals. Therefore, end-to-end
throughput in the worst case may be limited
to 99.98% of the source link rate when the
traffic traverses a link and maximum clock
differences occur between the two link
partners.
Thresholds
Thresholds define the Pass/Fail criteria the
Product uses to grade the test. The Performance
Performance Test App
702
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