Svarno bi bre za ovaj ping trebalo napraviti FAQ... i neverovatno je kako svi koriste najpogresniji metod - google :)
Koristiti google za ping testove je potpuno besmisleno ako se IP adrese razlikuju, evo uzeo sam ove 2 IP adrese na koje vama resolvuje google.com i evo sta dobijam,
Citat:
ping 66.102.9.99
Pinging 66.102.9.99 with 32 bytes of data:
Reply from 66.102.9.99: bytes=32 time=48ms TTL=238
Reply from 66.102.9.99: bytes=32 time=48ms TTL=238
Reply from 66.102.9.99: bytes=32 time=48ms TTL=238
Reply from 66.102.9.99: bytes=32 time=48ms TTL=238
Ping statistics for 66.102.9.99:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 48ms, Maximum = 48ms, Average = 48ms
ping 66.249.93.104
Pinging 66.249.93.104 with 32 bytes of data:
Reply from 66.249.93.104: bytes=32 time=24ms TTL=244
Reply from 66.249.93.104: bytes=32 time=28ms TTL=244
Reply from 66.249.93.104: bytes=32 time=24ms TTL=244
Reply from 66.249.93.104: bytes=32 time=24ms TTL=244
Ping statistics for 66.249.93.104:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 24ms, Maximum = 28ms, Average = 25ms
Osim toga, rute mogu potpuno da variraju u toku dana, a i preko istog ISP-a google akadns moze da vas uputi na neki drugi google server do koga idete kompetno drugom putanjom.
Ono sto je jedino relevantno za latenciju je eventualno
ping od vas do prvog rutera (recimo DSLAM-a) i, ako ste gameri ili tako nesto - ping
do game servera - kao sto rekoh, google je upravo najpogresniji metod jer ima gomilu servera na razlicitim lokacijama.
Dakle, ispravno je sledece -
Citat:
tracert 66.249.93.104
Tracing route to 66.249.93.104 over a maximum of 30 hops
1 <1 ms <1 ms <1 ms 192.168.1.1
2 6 ms 6 ms 6 ms 217.0.116.7
3 5 ms 6 ms 7 ms 217.0.64.98
4 6 ms 6 ms 6 ms 62.156.138.178
5 7 ms 7 ms 8 ms ae-0-16.mp2.Berlin1.Level3.net [195.122.132.178]
6 41 ms 19 ms 19 ms as-2-0.mp1.Amsterdam1.Level3.net [212.187.128.17]
7 20 ms 19 ms 20 ms ge-10-2.ipcolo2.Amsterdam1.Level3.net [213.244.165.100]
8 21 ms 21 ms 21 ms 212.72.44.66
9 24 ms 27 ms 29 ms 216.239.43.84
10 27 ms 27 ms 22 ms 216.239.46.49
11 27 ms 24 ms 25 ms 66.249.93.104
Sto kaze da je latencija mog internet prikljucka 6 ms - sve posle toga je varijabilno i zavisi od stanja internet mreze, i do koje adrese ide trace route, tj. preko kojih ruta.
[Ovu poruku je menjao Ivan Dimkovic dana 16.08.2005. u 13:02 GMT+1]