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Re: [NETVAERK] tcp vs. udp båndbredde




Hej,

Jeg bruger tptest mod 'referens.sth.ip-performance.se'

Ping siger.:
sslug@sslug:~# ping referens.sth.ip-performance.se
PING referens.sth.ip-performance.se (192.36.144.181): 56 data bytes
<snip>
64 bytes from 192.36.144.181: icmp_seq=7 ttl=55 time=39.6 ms

--- referens.sth.ip-performance.se ping statistics ---
8 packets transmitted, 8 packets received, 0% packet loss
round-trip min/avg/max = 39.2/39.6/40.3 ms

Jeg ved ikke hvordan jeg ser tcp-vindues størelsen.

Kan ifconfig hjælpe?
 RX packets:28935 errors:0 dropped:0 overruns:0 frame:23622
 TX packets:46011 errors:87 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000
 RX bytes:8660566 (8.2 MiB)  TX bytes:55339177 (52.7 MiB)

Giver det et vindue på RX bytes/RX packets?(~300Bytes), eller er jeg helt ude og svømme?

Mvh.
  mikael.


Peter Maersk-Moller wrote:
Hej Mikael

Din TCP-båndbredde er begrænset af RTT og dit TCP-vindue, hvilket kan være
tilfældet her eller også kan din sender bare ikke sende TCP-data hurtigt nok.
Sådan cirka


   TCP BW = TCP_vindue / RTT

Hvad er din RTT (brug ping).

Hvor downloader du fra ?

mvh.

Peter




 
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