[Asterisk-Users] (newby) Is PING a good indicator of latency?

[JP Carballo]

Cosmin Prund wrote:

>>Being an ISP I have to disagree - ICMP traffic is rarely prioritized to
>>"look better"
>>
>>Most large ISPs actually LIMIT ICMP traffic to counter ICMP flood DOS
>>attacks.
>>
>>That does not make it a good indicator of a networks ability to support
>>voip. Any cheap ATA will have jitter, delay, and packet loss counters -
>>hook one up and get the real picture.
>>
>>If you do use ping to pre-qualify a link, grab a copy of pingplotter so
>>you can tune the icmp packet parameters and packet rate, run it for a
>>long time or several times during different timeframes to see if there
>>are periods of congestion.
>>    
>>
>
>Unfortunatelly good-old Windows based ping is all I can work with before I
>actually sign the contract with the ISP. I need to assess rather the service
>might be possible before I start throwing money at it (there's no such thing
>as an "test account": I'll need to set up an account, pay the instalation
>fees, pay one month in advance for the service then pay for the
>disconnect!).
>
>Sooo... what might I find using ping? Is there an "good" ping that shows I
>can use the link for VoIP? I gues there's no such thing as "bad" ping
>showing I can't use the link because ISP's are limiting ICMP traffic?
>  
>
You might want to try the tools here:
http://www.dnsstuff.com/
and here
http://centralops.net/co/

-- 
JP Carballo

http://www.netfone2x.com
Bringing the world closer.

It might look like I'm doing nothing, but at the cellular level, I'm really quite busy.