diff options
Diffstat (limited to 'docs/report/introduction/methodology_tcp_with_iperf3.rst')
| -rw-r--r-- | docs/report/introduction/methodology_tcp_with_iperf3.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/docs/report/introduction/methodology_tcp_with_iperf3.rst b/docs/report/introduction/methodology_tcp_with_iperf3.rst index ef28dec4a3..288da004a5 100644 --- a/docs/report/introduction/methodology_tcp_with_iperf3.rst +++ b/docs/report/introduction/methodology_tcp_with_iperf3.rst @@ -1,11 +1,11 @@ Hoststack Throughput Testing over TCP/IP with iperf3 ---------------------------------------------------- -`iperf3 bandwidth measurement tool <https://github.com/esnet/iperf>`_ -is used for measuring the maximum attainable bandwidth of the VPP Host +`iperf3 goodput measurement tool <https://github.com/esnet/iperf>`_ +is used for measuring the maximum attainable goodput of the VPP Host Stack connection across two instances of VPP running on separate DUT nodes. iperf3 is a popular open source tool for active measurements -of the maximum achievable bandwidth on IP networks. +of the maximum achievable goodput on IP networks. Because iperf3 utilizes the POSIX socket interface APIs, the current test configuration utilizes the LD_PRELOAD mechanism in the linux @@ -14,7 +14,7 @@ Communications Library (VCL) LD_PRELOAD library (libvcl_ldpreload.so). In the future, a forked version of iperf3 which has been modified to directly use the VCL application APIs may be added to determine the -difference in performance of 'VCL Native' applications .vs. utilizing +difference in performance of 'VCL Native' applications versus utilizing LD_PRELOAD which inherently has more overhead and other limitations. The test configuration is as follows: |