詳細な遅延を測定してみる@True Ping

WindowsOS標準のPINGだと1ms以下の遅延は測定出来ないんです。最近CIFSを使う場合のネットワーク遅延を調べていまして、その際に重宝しました。

■True Pingの使い方
特に使い方は標準のPingと変わりません。

http://sourceforge.net/projects/tping/

ダウンロード後、ping.exeと同じ

C:\WINDOWS\system32

なんかに置けばインストール完了です。あとはコマンドプロンプトから

tping Host名

でPingと同じように使えます。

C:\Documents and Settings\pnpk>tping 172.16.0.1

Pinging 172.16.0.1 with 32 bytes of data from
 [172.16.3.43]:

Reply from 172.16.0.1: bytes=32 time 0.43 ms, TTL=255, 
Hop=0, Jitter=0.00 ms
Reply from 172.16.0.1: bytes=32 time 0.15 ms, TTL=255, 
Hop=0, Jitter=0.02 ms
Reply from 172.16.0.1: bytes=32 time 0.17 ms, TTL=255, 
Hop=0, Jitter=0.02 ms
Reply from 172.16.0.1: bytes=32 time 0.15 ms, TTL=255, 
Hop=0, Jitter=0.02 ms
Reply from 172.16.0.1: bytes=32 time 0.23 ms, TTL=255, 
Hop=0, Jitter=0.02 ms

Ping statistics for 172.16.0.1
  Packets: Sent = 5, Received = 5, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
  Minimum = 0.15ms, Maximum =  0.43ms, Average =  0.23ms, 
Jitter Statistical = 0.12ms

以下ヘルプの内容になります。

Usage: tping [Options] destination-host

Standard Ping Options:
    -t         Ping the specified host until stopped.
               To stop - type Control-C.
    -a         Resolve addresses to hostnames.
    -n count   Number of echo requests to send.
    -l size    Send buffer size.
    -f         Set Don't Fragment flag in packet.
    -i TTL     Time To Live.
    -v TOS     Type of service.
    -w timeout Timeout in milliseconds to wait for each reply.

True Ping Extended Options:
    -j         A very simple trace route (Time To Live will
               increment at each ping).
    -p         Do not use another thread for receiving data
               (in real applications multiple threads are used).
    -c         Ping compatibility: Use standard data buffer:
               'abcdefghijklmnopqrstuvw' (default is random 
               data buffer).
               Due to compression of ip packets the standard 
               ping buffer
               does not give realistic results.
    -d delay   Delay in milliseconds between a receive and the
               next send
               0 for no delay. Use "tping host -n 100 -d 0 > out.txt"
               for a high data send rate.
    -z count   Number of echo responses to ignore in the statistic
               calculation. Useful if the first packets are much
               slower than the average packet
    -h         Print also the Timestamp for every ping

True Ping 1.13 - by Andrea Denzler 🙂 - http://www.AndreaPlanet.com/tping/

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