Kolko je zapravo WiFi brz

Juče sam merio dva brzinu mreže preko dva access pointa, i iskreno rečeno razočaran… Meni wirelessi uglavnom lepo služe svrsi, i lepo rade (ponekad i ponegde neki pravi problem, ali se to da rešeti), ali da su ovoliko spori, toga nisam bio svestan sve ove godine 🙂 Opet možda ja negde grešim…

Mereni su stari Linksys WRT54GL (stari poznati znalac svih linuxaša) i TpLink WR842ND (opet AP linux friendly, ovog puta sa OpenWrt firmwarelom u sebi). Merenje protoka radjeno sa mog Lenovo EDGE E330 laptopa, Intel Wireless-N 2230.

Linksys WRT54GL:

zsteva@edge:~$ nuttcp ROUTER
   17.0821 MB /  10.31 sec =   13.8982 Mbps 3 %TX 1 %RX 0 retrans 6.78 msRTT
zsteva@edge:~$ nuttcp -r ROUTER
   14.9637 MB /  10.28 sec =   12.2107 Mbps 0 %TX 7 %RX 0 retrans 30.18
msRTT
Testing from Serbia BroadBand-Srpske Kablovske mreze (.....35)...
Selecting best server based on ping...
Hosted by TARGO Telekom (Belgrade) [0.52 km]: 26.306 ms
Testing download speed........................................
Download: 12.71 Mbit/s
Testing upload speed..................................................
Upload: 3.46 Mbit/s

TpLink WR842ND

zsteva@edge:~$ nuttcp ROUTER
   39.4027 MB /  10.01 sec =   33.0125 Mbps 7 %TX 3 %RX 0 retrans 42.14
msRTT
zsteva@edge:~$ nuttcp -r ROUTER
   44.2157 MB /  10.19 sec =   36.3984 Mbps 1 %TX 12 %RX 0 retrans 32.84
msRTT
Testing from Serbia BroadBand-Srpske Kablovske mreze (......35)...
Selecting best server based on ping...
Hosted by TARGO Telekom (Belgrade) [0.52 km]: 30.041 ms
Testing download speed........................................
Download: 32.35 Mbit/s
Testing upload speed..................................................
Upload: 3.61 Mbit/s

Za poredjenje isto merenje sa 100MBps etherneta:

zsteva@edge:~$ nuttcp ROUTER
  113.4018 MB /  10.15 sec =   93.7484 Mbps 2 %TX 9 %RX 0 retrans 0.45 msRTT
zsteva@edge:~$ nuttcp -r ROUTER
  113.6553 MB /  10.17 sec =   93.7781 Mbps 2 %TX 8 %RX 0 retrans 0.47 msRTT
Testing from Serbia BroadBand-Srpske Kablovske mreze (.....35)...
Hosted by TARGO Telekom (Belgrade) [0.52 km]: 28.292 ms
Testing download speed........................................
Download: 38.72 Mbit/s
Testing upload speed..................................................
Upload: 3.84 Mbit/s
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