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mcbazza

Casual Member
Same here with mine. They did something on Thursday.

Latency:
PingSCEE20071209.png


Speedtest (which unfortunately, was broken until Friday):
Speedtest20071209.png


I won't bother with the packetloss one. Suffice to say, it's same as ever - between 5-12%.

My best guess is, they've had another stab at traffic prioritisation/management, and it's more successful this time (how could it be worse?).

Trouble is, as a gamer, it's still not good enough. I mean, at least now it (gaming) works, I can get on and play. Whereas last time, it was fully b0rked, couldn't even connect.

I'm trying to build a graph based upon HTTP latency (instead of ICMP ping), as I know that HTTP is still terribly slow at peak.
eg. I know that when the connection is 'good', I see http latency to bbc of approx 45ms. But, when it's bad, it's 1300ms.

But, I get my new ISP (Be) on Tuesday. So, I won't give a monkey about VM come Tuesday evening.
 

mcbazza

Casual Member
Data collection (for everything but the speedtests) is still done by the wonderful MRTG.
Graphing is RRDtool.

Latency/loss is handled by the mrtg-ping-probe add-on for MRTG.

DNS lookups is of my own creation - I use 'dig' to check lookups at various DNS's and a VBScript to turn the data into something MRTG can handle.

My existing HTTP charts (which test page load times) are handled by http://www.webinject.org - which can natively output data in MRTG format.

I've got a script to do HTTP response time, but, it's not passing the data over into MRTG for some reason - it's a VBScript that uses 'wget' (GNU Wget 1.10.2) and 'ntimer' (from the Windows 2003 server resource kit).

eg.
ntimer -1 wget --quiet --spider http://www.bbc.co.uk

'spider' means that nothing is done with the page. So, it's as close to a 'HTTP ping' as I can get.

This returns:
0:00:04.031 0:00:00.031 0:00:00.046 0:00:05.546

The first being elapsed time, second is user time.
I would use the user time in my reporting.
Therefore, the value from above would be 4031ms - which is very poor!!
During testing the other night, I was getting 100-150ms.

But, the speed test is something else....

I downloaded the 'Speed Tester' application from BroadbandChoices.co.uk - it is configured to run a speed test every hour.

I don't think it's particularly accurate, or the best tester around. But, it solved a problem. It writes it's data to a Microsoft Jet/Access DB, which unfortunately has a password on it.

I emailed them, told them what I was trying to do, and asked if I could have the password, so I may add it into my graphing/monitoring. They refused.

So, for legal reasons, I can't comment further on that!
Suffice to say, there is a scheduled task that runs every 20mins that updates the RRD used by the speedtest.

I'd rather be using speedtest.net for my speed testing. I've emailed them, and asked for a command-line test - or, something I can 'wget' to emulate a test. They can't help at present, but, may have something to cover this in the future.

It was the speedtest.net site that gave me the idea for the 'HTTP latency' monitoring - as they don't use ping/ICMP in their latency (as shown on a speed test), they monitor the HTTP response time.

When VM (badly) implemented the traffic shaping/prioritisation/management they were clearly prioritising ping/ICMP traffic higher than other traffic - presumably, in an attempt to fool people (that were running ping tests) into thinking the network was faster (and therefore, less problematic) than it really was.

That's why I was eager to get a 'real world latency' test done. Something to measure response, that wasn't based upon ICMP/ping.

If I wasn't such a Windows-person, and had it all running under Linux, I'd probably switch the ping-probe over to using something like TCP Ping.
 

mcbazza

Casual Member
Pings are now fully resolved..... I was activated on 'Be' this morning!
Up yours, Branson!

reminder to self: change 'sig' later.
 
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