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Think Broadband Ping Monitor Results (POST YOURS)
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Old 12-02-2013, 17:50   #3376
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Re: Think Broadband Ping Monitor Results (POST YOURS)



Mine hasn't been too bad since network maintenance on the 4th though I wish the minimum latency was a smooth as it was before they added bonded upstreams in December.
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Old 12-02-2013, 18:00   #3377
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Re: Think Broadband Ping Monitor Results (POST YOURS)

The fact your minimum latency changes so often indicatea a fault of some kind imo
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Old 12-02-2013, 18:16   #3378
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Re: Think Broadband Ping Monitor Results (POST YOURS)

it'll probably start to rise. keep an eye on it. something similar to mine...

http://www.cableforum.co.uk/board/12...s-page-21.html
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Old 12-02-2013, 19:32   #3379
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Quote:
Originally Posted by Qtx View Post
The fact your minimum latency changes so often indicatea a fault of some kind imo
Just about all TBB's on a dual VM upstream now show the same minimum latency variation and have done since day one of the 2nd upstream channel being added.
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Old 12-02-2013, 19:41   #3380
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Re: Think Broadband Ping Monitor Results (POST YOURS)

I don't agree, Kymmy. The perturbations shouldn't be happening. Many, if not most of the TBBs on 2 upstreams that I've noticed have stable minimum latency. Here's mine:

[url=http://www.thinkbroadband.com/ping/share/b5c2787efc3df8534e0ef6b85be294ab-12-02-2013.html][/url
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Old 12-02-2013, 19:50   #3381
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Quote:
Originally Posted by Kymmy View Post
Just about all TBB's on a dual VM upstream now show the same minimum latency variation and have done since day one of the 2nd upstream channel being added.
Not something I had noticed. Good to know though.

So there can be a few ms difference between ping results depending on which of the 2 upstreams the ping reply returns on?

If this is the case, is it wrong to assume both upstreams should give the same results?

They look so different to my own connection that any variation looks 'off':

[img]Download Failed (1)[/img]
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Old 12-02-2013, 20:08   #3382
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Quote:
Originally Posted by Kymmy View Post
Just about all TBB's on a dual VM upstream now show the same minimum latency variation and have done since day one of the 2nd upstream channel being added.
I get the uneven minimum latency while on 2 upstream channels but only when i use the connection, when i am not online it is flat.

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Old 12-02-2013, 20:09   #3383
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Re: Think Broadband Ping Monitor Results (POST YOURS)

didnt you have the rise/instability issue when you was away Snoopy
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Old 12-02-2013, 20:18   #3384
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Quote:
Originally Posted by thenry View Post
didnt you have the rise/instability issue when you was away Snoopy
That was a different issue over Christmas, and after a modem reboot that eventually went away.

1st Jan 2013
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Old 12-02-2013, 20:21   #3385
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Re: Think Broadband Ping Monitor Results (POST YOURS)

its all linked to the same issue Snoopz
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Old 12-02-2013, 20:35   #3386
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Quote:
Originally Posted by Qtx View Post
...
So there can be a few ms difference between ping results depending on which of the 2 upstreams the ping reply returns on?
If this is the case, is it wrong to assume both upstreams should give the same results?

....
Interesting point. Without double checking my DOCSIS 3 theory, my instinct tells me that the ping packet will be fragmented in both directions and thus be split across channels.

But if these 32 byte packets go down on channel and randomly move to the other, then my instinct suggests that different latencies wouuld account for those perturbations.

A brainio that knows more on this subject would be helpful here.
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Old 12-02-2013, 21:20   #3387
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Re: Think Broadband Ping Monitor Results (POST YOURS)

You know more than me in this area but my train of thought is first surprise that packets of that size would get fragmented across two channels, and secondly that even if they returned on different upstreams/different frequencies, the difference in times should be less than a millisecond unless one of the channels is close to capacity. With the fluctuations being consistent i doubt that is the case. So yeah, need someone who actually knows rather than our guesses.
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Old 12-02-2013, 22:45   #3388
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Any comments would be appreciated on what my graph is saying

[img]Download Failed (1)[/img]
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Old 12-02-2013, 23:18   #3389
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Re: Think Broadband Ping Monitor Results (POST YOURS)

It's saying you have a connection problem.
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Old 12-02-2013, 23:23   #3390
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Re: Think Broadband Ping Monitor Results (POST YOURS)

Quote:
Originally Posted by Simm View Post
Any comments would be appreciated on what my graph is saying

Interesting that your minimum and average latency don't increase, even when you have the packet loss. That suggests that you instantly lose your connection every time this happens.

Might be indicative of an iffy amplifier in the area?
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