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 >>>>>> >>>>>> _______________________________________________ >>>>>> gaia mailing list >>>>>> gaia@irtf.org >>>>>> https://www.irtf.org/mailman/listinfo/gaia >>>>> >>>> >>>> _______________________________________________ >>>> gaia mailing list >>>> gaia@irtf.org >>>> https://www.irtf.org/mailman/listinfo/gaia >>> >>> _______________________________________________ >>> gaia mailing list >>> gaia@irtf.org >>> https://www.irtf.org/mailman/listinfo/gaia > > _______________________________________________ > gaia mailing list > gaia@irtf.org > https://www.irtf.org/mailman/listinfo/gaia
- [gaia] Heterogeneity in network capacity: growing? Michael Welzl
- Re: [gaia] Heterogeneity in network capacity: gro… Manner Jukka
- Re: [gaia] Heterogeneity in network capacity: gro… Michael Welzl
- Re: [gaia] Heterogeneity in network capacity: gro… Manner Jukka
- Re: [gaia] Heterogeneity in network capacity: gro… Eric A. BREWER
- Re: [gaia] Heterogeneity in network capacity: gro… Steve Song
- Re: [gaia] Heterogeneity in network capacity: gro… Arjuna Sathiaseelan
- Re: [gaia] Heterogeneity in network capacity: gro… Michael Welzl
- Re: [gaia] Heterogeneity in network capacity: gro… achilles.petras
- Re: [gaia] Heterogeneity in network capacity: gro… Henning Schulzrinne
- Re: [gaia] Heterogeneity in network capacity: gro… Michael Welzl
- Re: [gaia] Heterogeneity in network capacity: gro… Michael Welzl
- Re: [gaia] Heterogeneity in network capacity: gro… Jon Crowcroft
- Re: [gaia] FW: Heterogeneity in network capacity:… Mirjam Kuehne
- Re: [gaia] Heterogeneity in network capacity: gro… Michael Welzl
- Re: [gaia] Heterogeneity in network capacity: gro… Mirjam Kuehne
- Re: [gaia] Heterogeneity in network capacity: gro… Nick Feamster
- Re: [gaia] Heterogeneity in network capacity: gro… Jane Coffin
- Re: [gaia] FW: Heterogeneity in network capacity:… Steven G. Huter
- Re: [gaia] FW: Heterogeneity in network capacity:… Richard Dent