Bandwidth measurements are not accurate #171
Description
The bandwidth gap between server and client is around 10% .
# ./ethr -s -4
Ethr: Comprehensive Network Performance Measurement Tool (Version: v1.0.0)
Maintainer: Pankaj Garg (ipankajg @ LinkedIn | GitHub | Gmail | Twitter)
-----------------------------------------------------------
Accepting IP version: ipv4
Listening on port 8888 for TCP & UDP
-----------------------------------------------------------
[RemoteAddress] Proto Bits/s Conn/s Pkt/s Latency
[ 10.3.9.21] TCP 265.09M 1 -- --
[ 10.3.9.21] TCP 9.60G 0 -- --
[ 10.3.9.21] TCP 9.07G 0 -- --
[ 10.3.9.21] TCP 9.09G 0 -- --
[ 10.3.9.21] TCP 9.66G 0 -- --
[ 10.3.9.21] TCP 9.48G 0 -- --
[ 10.3.9.21] TCP 9.47G 0 -- --
[ 10.3.9.21] TCP 9.61G 0 -- --
[ 10.3.9.21] TCP 9.19G 0 -- --
[ 10.3.9.21] TCP 9.16G 0 -- --
[ 10.3.9.21] TCP 9.55G 0 -- --
./ethr -c 10.3.9.14
Ethr: Comprehensive Network Performance Measurement Tool (Version: v1.0.0)
Maintainer: Pankaj Garg (ipankajg @ LinkedIn | GitHub | Gmail | Twitter)
Using destination: 10.3.9.14, ip: 10.3.9.14, port: 8888
[ 5] local 10.3.9.21 port 35617 connected to 10.3.9.14 port 8888
- - - - - - - - - - - - - - - - - - - - - - -
[ ID ] Protocol Interval Bits/s
[ 5] TCP 000-001 sec 8.73G
[ 5] TCP 001-002 sec 8.34G
[ 5] TCP 002-003 sec 8.33G
[ 5] TCP 003-004 sec 8.64G
[ 5] TCP 004-005 sec 8.55G
[ 5] TCP 005-006 sec 8.56G
[ 5] TCP 006-007 sec 8.61G
[ 5] TCP 007-008 sec 8.43G
[ 5] TCP 008-009 sec 8.37G
[ 5] TCP 009-010 sec 8.57G
Ethr done, duration: 10s.
Hint: Use -d parameter to change duration of the test.