Maximum acceptable limits

The maximum acceptable limits for Network Utility are:

  • Packet loss -less than 0.3%
  • Jitter rate - less than 20
  • Latency - less than 120 ms

Bufferbloat grades

To identify good vs bad bufferbloat, the speed test applies grades as follows. Milliseconds (ms) refers to an increase in a measure of round trip delay when your connection is fully utilized.

A+: Less than 5 ms (average of down bloat and up bloat)

A: Less than 30 ms

B: Less than 60 ms

C: Less than 200 ms

D: Less than 400 ms

F: 400 ms +

Note: There is no E grade for bufferbloat.