Re: [gaia] Heterogeneity in network capacity: growing?

Michael Welzl <michawe@ifi.uio.no> Tue, 01 March 2016 14:04 UTC

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From: Michael Welzl <michawe@ifi.uio.no>
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To: Mirjam Kuehne <mir@ripe.net>
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Subject: Re: [gaia] Heterogeneity in network capacity: growing?
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Thanks a lot for that pointer too!
I know about the RIPE atlas and do find it very interesting.

However, probably I'm missing something - how is the traceroute dataset relevant for what I'm asking?
My question is about link bandwidth...


> On 01 Mar 2016, at 14:48, Mirjam Kuehne <mir@ripe.net> wrote:
> 
> Hi,
> 
> Thanks to Jane Coffin for pointing me to this discussion.
> 
> You might also want to have a look at the RIPE Atlas system, a worldwide
> active measurements network: https://atlas.ripe.net/
> 
> While we don't actually measure bandwidth, the thousands of RIPE Atlas
> measurement probes regularly send pings and traceroutes (and also SSL,
> DNS queries) to certain pre-defined destinations on the Internet.
> Especially the traceroute results could be interesting for the questions
> below.
> 
> The measurement results are public and are used by many researchers and
> operators for various use cases. Have a look at this blog for some
> inspiration: https://labs.ripe.net/atlas
> 
> If you have any questions, please don't hesitate to contact me directly.
> 
> Kind regards,
> Mirjam Kuehne
> RIPE NCC
> 
>> 
>> On 2/29/16, 2:59 PM, "gaia on behalf of Michael Welzl" <gaia-bounces@irtf.org on behalf of michawe@ifi.uio.no> wrote:
>> 
>>> Great, thanks!
>>> 
>>> Good thinking about Akamai’s report - of course! I should have looked at that first
>>> 
>>> 
>>>> On 29. feb. 2016, at 19.22, achilles.petras@bt.com wrote:
>>>> 
>>>> Hi Michael
>>>> 
>>>> A good starting point is Ofcom's infrastructure annual report; here is the 2015 one:
>>>> http://stakeholders.ofcom.org.uk/binaries/research/infrastructure/2015/downloads/connected_nations2015.pdf
>>>> 
>>>> You will find several distribution graphs like the one in Figure 4 that compares the monthly usage to the access speed range for 2014 and 2015.
>>>> 
>>>> You could also find the reports from previous years to see how things have changed over time:
>>>> http://stakeholders.ofcom.org.uk/market-data-research/market-data/infrastructure/?a=0
>>>> 
>>>> For a more global point of view, you could check Akamai's State of the Internet Report:
>>>> https://www.stateoftheinternet.com/resources-connectivity-2015-q3-state-of-the-internet-report.html
>>>> 
>>>> or play with their visualisations:
>>>> https://www.stateoftheinternet.com/trends-visualizations-connectivity-global-heat-map-internet-speeds-broadband-adoption.html
>>>> 
>>>> Hope this helps
>>>> Achilles
>>>> 
>>>> 
>>>> -----Original Message-----
>>>> From: gaia [mailto:gaia-bounces@irtf.org] On Behalf Of Michael Welzl
>>>> Sent: 29 February 2016 08:16
>>>> To: Manner Jukka <jukka.manner@aalto.fi>
>>>> Cc: gaia@irtf.org
>>>> Subject: Re: [gaia] Heterogeneity in network capacity: growing?
>>>> 
>>>> First,
>>>> 
>>>> Apologies for asking first formulating a question in two ways with contradictory outcomes (yes/no) and then saying "I guess the answer is no" - that was confusing!  :)   I was tired when I wrote it...
>>>> so I meant the second question, i.e. my guess was also that heterogeneity *is* growing.
>>>> 
>>>> How would you calculate if there was data: I guess what I'm interested in is bandwidth statistics: how often do we see a bottleneck of X bit/s? The Internet-wide distribution of X is what I'm looking for...
>>>> 
>>>> Depending on area/market: I'd also be happy to have X for India, X for Europe, X for ... whatever. It's a start!
>>>> Ideally citable - some publicly available study I could refer to.
>>>> 
>>>> Cheers,
>>>> Michael
>>>> 
>>>> 
>>>> 
>>>>> On 29 Feb 2016, at 08:33, Manner Jukka <jukka.manner@aalto.fi> wrote:
>>>>> 
>>>>> Hi,
>>>>> 
>>>>> I would say yes, they are globally, but it also depends on what area/market you are talking about. How would you calculate it if there was data? I have data, but not sure how to calculate this.
>>>>> 
>>>>> cheers,
>>>>> Jukka
>>>>> 
>>>>>> On 29 Feb 2016, at 01:04, Michael Welzl <michawe@ifi.uio.no> wrote:
>>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>> I guess this is probably the right group to ask: is the heterogeneity of link bandwidths growing?
>>>>>> Another way of asking this is: across the whole Internet, do old links roughly get removed as quickly as capacities grow?
>>>>>> 
>>>>>> I guess the answer is no - but are there any good citable references for this? Data?
>>>>>> 
>>>>>> Cheers,
>>>>>> Michael
>>>>>> 
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>>>>> 
>>>> 
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