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Diffstat (limited to 'docs/report/introduction/methodology_terminology.rst')
| -rw-r--r-- | docs/report/introduction/methodology_terminology.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/report/introduction/methodology_terminology.rst b/docs/report/introduction/methodology_terminology.rst index db76827a5a..33ab116491 100644 --- a/docs/report/introduction/methodology_terminology.rst +++ b/docs/report/introduction/methodology_terminology.rst @@ -27,13 +27,13 @@ Terminology methodology contains other parts, whose performance is either already established, or not affecting the benchmarking result. - **Bi-directional throughput tests**: involve packets/frames flowing in - both transmit and receive directions over every tested interface of + both east-west and west-east directions over every tested interface of SUT/DUT. Packet flow metrics are measured per direction, and can be reported as aggregate for both directions (i.e. throughput) and/or separately for each measured direction (i.e. latency). In most cases bi-directional tests use the same (symmetric) load in both directions. - **Uni-directional throughput tests**: involve packets/frames flowing in - only one direction, i.e. either transmit or receive direction, over + only one direction, i.e. either east-west or west-east direction, over every tested interface of SUT/DUT. Packet flow metrics are measured and are reported for measured direction. - **Packet Loss Ratio (PLR)**: ratio of packets received relative to packets @@ -50,8 +50,8 @@ Terminology Measured in packets-per-second (pps) or frames-per-second (fps), equivalent metrics. - **Bandwidth Throughput Rate**: a secondary metric calculated from packet - throughput rate using formula: bw_rate = pkt_rate - (frame_size + - L1_overhead) - 8, where L1_overhead for Ethernet includes preamble (8 + throughput rate using formula: bw_rate = pkt_rate * (frame_size + + L1_overhead) * 8, where L1_overhead for Ethernet includes preamble (8 Bytes) and inter-frame gap (12 Bytes). For bi-directional tests, bandwidth throughput rate should be reported as aggregate for both directions. Expressed in bits-per-second (bps). @@ -75,4 +75,4 @@ Terminology bandwidth MRR expressed in bits-per-second (bps). - **Trial**: a single measurement step. - **Trial duration**: amount of time over which packets are transmitted and - received in a single throughput measurement step. + received in a single measurement step. |