> On Sun, Jul 31, 2011 at 10:03, Reinier Battenberg > <[email protected]> wrote: > > Hi Wilson, > > > > > > How can you tell your provider does not use a cache? Do you see a similar > > piece of javascript header as i do, or do you not see any header at all? > > > > I asked Google sometime back. Mike Blanche's contact was sent to us by > Kyle last year!
Kyle & Mike are a nice bunch, but you can see for yourself if the javascript header shows in your browser. Your ISP might have changed their stance. > > > My presumption is that o-o.preferred.bharti-bom1.v5.lscache3.c.youtube.com > > > > is the cache of bharti, in india. Meaning, the upstream of my provider is > > using a cache, but my provider is not. > > > > I can't rule out that but i would imagine kenya (where most of our > ISPs pass) is nearer than India. That would only hold water if the > video is available in the kenyan cache and your ISP's upstream is > there. You are in IT. You cant just imagine stuff. You can at least do some measurements. Like these 2, that show we are most probably passing Delhi. (and my presumption was based on such measurement) reinier@mountlab6:/var/www/devtrac_phase2/devtrac$ traceroute o- o.preferred.bharti-bom1.v5.lscache3.c.youtube.com traceroute to o-o.preferred.bharti-bom1.v5.lscache3.c.youtube.com (182.79.254.156), 30 hops max, 60 byte packets 1 ipcop.mountbatten.net (192.168.38.1) 0.171 ms 0.094 ms 0.110 ms 2 41.220.13.21 (41.220.13.21) 1.682 ms 2.798 ms 2.760 ms 3 41.220.12.129 (41.220.12.129) 19.873 ms 19.904 ms 19.866 ms 4 192.168.12.1 (192.168.12.1) 43.829 ms 43.784 ms 43.711 ms 5 192.168.145.1 (192.168.145.1) 31.537 ms 31.516 ms 31.469 ms 6 41.220.12.41 (41.220.12.41) 37.318 ms 36.061 ms 35.975 ms 7 41.220.12.49 (41.220.12.49) 41.957 ms 30.025 ms 46.513 ms 8 if-ctu-edge-ci.data.co.ug (41.220.12.33) 59.016 ms 64.419 ms 64.420 ms 9 41.84.196.145 (41.84.196.145) 52.561 ms 41.84.196.137 (41.84.196.137) 52.565 ms 41.84.196.145 (41.84.196.145) 52.526 ms 10 41.84.192.129 (41.84.192.129) 58.659 ms 58.646 ms 58.605 ms 11 dsl-del-static-045.45.246.61.airtelbroadband.in (61.246.45.45) 220.105 ms 226.290 ms 226.258 ms 12 125.62.187.134 (125.62.187.134) 377.616 ms 382.790 ms * 13 182.79.220.190 (182.79.220.190) 388.852 ms 388.830 ms 388.767 ms 14 125.21.168.170 (125.21.168.170) 370.475 ms 423.537 ms 429.336 ms 15 125.21.80.66 (125.21.80.66) 423.271 ms 429.258 ms 374.983 ms 16 * * * 17 * * * 18 * * * 19 * * * 20 * * * 21 * * * 22 * * * 23 * * * 24 * * * 25 * * * 26 * * * 27 * * * 28 * * * 29 * * * 30 * * * reinier@mountlab6:/var/www/devtrac_phase2/devtrac$ whois 125.21.80.66 % [whois.apnic.net node-2] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html inetnum: 125.21.80.0 - 125.21.80.255 netname: BHARTI-IN descr: used for Network Infrastructure(RAS Connectivity) descr: Bharti Airtel Ltd. descr: Trasport Network Group descr: 234 descr: Okhala Phase III descr: New Delhi-20 descr: India descr: owner:Srinivas Rao descr: Remarks*****if you have any query related to abuse please contact descr: on given mail ID [email protected]******* country: IN admin-c: NA40-AP tech-c: NA40-AP mnt-by: MAINT-IN-BBIL status: ASSIGNED NON-PORTABLE changed: [email protected] 20071207 source: APNIC route: 125.21.80.0/24 descr: BHARTI-IN descr: Bharti Tele-Ventures Limited descr: Class A ISP in INDIA . descr: 234 , OKHLA PHASE III , descr: NEW DELHI descr: INDIA country: IN origin: AS9498 mnt-by: MAINT-IN-BBIL changed: [email protected] 20050812 source: APNIC person: Network Administrator nic-hdl: NA40-AP e-mail: [email protected] address: Bharti Airtel Ltd. address: ISP Division - Transport Network Group address: Plot no.16 , Udyog Vihar , Phase -IV , Gurgaon - 122015 , Haryana , INDIA address: Phase III, New Delhi-110020, INDIA phone: +91-124-4222222 fax-no: +91-124-4244017 country: IN mnt-by: MAINT-IN-BBIL changed: [email protected] 20110307 source: APNIC > > > > > > > -- > > rgds, > > > > Reinier Battenberg > > Director > > Mountbatten Ltd. > > +256 758 801 749 > > www.mountbatten.net > > http://twitter.com/batje > > http://twitter.com/mapuganda > > > > > > _______________________________________________ > > The Uganda Linux User Group: http://linux.or.ug > > > > Send messages to this mailing list by addressing e-mails to: [email protected] > > Mailing list archives: http://www.mail-archive.com/[email protected]/ > > Mailing list settings: http://kym.net/mailman/listinfo/lug > > To unsubscribe: http://kym.net/mailman/options/lug > > > > The Uganda LUG mailing list is generously hosted by INFOCOM: http://www.infocom.co.ug/ > > > > The above comments and data are owned by whoever posted them (including attachments if any). The mailing list host is not responsible for them in any way. > > > _______________________________________________ > The Uganda Linux User Group: http://linux.or.ug > > Send messages to this mailing list by addressing e-mails to: [email protected] > Mailing list archives: http://www.mail-archive.com/[email protected]/ > Mailing list settings: http://kym.net/mailman/listinfo/lug > To unsubscribe: http://kym.net/mailman/options/lug > > The Uganda LUG mailing list is generously hosted by INFOCOM: http://www.infocom.co.ug/ > > The above comments and data are owned by whoever posted them (including attachments if any). The mailing list host is not responsible for them in any way. > -- rgds, Reinier Battenberg Director Mountbatten Ltd. +256 758 801 749 www.mountbatten.net http://twitter.com/batje http://twitter.com/mapuganda _______________________________________________ The Uganda Linux User Group: http://linux.or.ug Send messages to this mailing list by addressing e-mails to: [email protected] Mailing list archives: http://www.mail-archive.com/[email protected]/ Mailing list settings: http://kym.net/mailman/listinfo/lug To unsubscribe: http://kym.net/mailman/options/lug The Uganda LUG mailing list is generously hosted by INFOCOM: http://www.infocom.co.ug/ The above comments and data are owned by whoever posted them (including attachments if any). The mailing list host is not responsible for them in any way.
