[clug] how to use traceroute (now: iinet performance)

Tue Jun 24 22:34:34 MDT 2014

On 25/06/14 13:32, Eyal Lebedinsky wrote:
> 
> 
> On 06/25/14 13:21, Scott Ferguson wrote:
>> On 25/06/14 13:05, Eyal Lebedinsky wrote:
>>> Scott, how did you copy the results from the ndt flash panel? my firefox
>>> won't let me.
>>
>> (from memory) Clicked on the Details button, then clicked on the start
>> of the text, dragged the mouse to select all, Ctrl+C.
> 
> Not here. Not with Ctrl+C and not with RightClick/copy.

http://ge.tt/9nrnn1m1/v/0

> This is firefox 30.0 on f19.
> Maybe you installed some extension?

Yes.
:)
But never-the-less it should work for you too. Details below.

> 
>> I also note you appear to have your DNS less than optimally configured -
>> though you may have (local) DNS caching configured. DNS (using
> 
> Yes, have a local DNS. However, for one (long) download, how much does
> the DNS degrade the result?

Time it takes to resolve the address + time it takes to download the
data = Broadband speed (not the same as download speed).

The real problem comes when you try and translate "download speed" into
real-life broadband performance. e.g. download a web page that sources
components from a dozen different addresses.

> No other activity on the line at the same time.
> 
<snipped>
>>
>> I 'suspect' your slow connection is due to the common poor performance
>> we get in Canberra when Telstra's cables get wet (many have poor joints
>> and lots of cables are so old they've lost their oil - you'll see it as
>> "loss to earth on one leg" which degrades sync).
> 
> Probably, but how come the whole problem went away after midnight, and
> is back this morning?

rerouting?

> I suspect lack of bandwidth capacity (network overloaded big time).

Yes, a mostly likely cause. Comparing an NDT result from then with one
from now would show that.

> 
> Eyal
> 

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Kind regards