Dans ce cas précis oui, mais dire que “ Faut dire que trois NS dans le même
ASN, c’est pas super malin.”
C’est en faire une généralité :)
> On 24 Apr 2018, at 18:32, Alarig Le Lay <ala...@swordarmor.fr> wrote:
>
> On mar. 24 avr. 18:04:37 2018, Raphael Maunier wrote:
>> Ah ?
>> Et si l’AS est en mode ilot genre CDN / Akamai et un anycast pas forcément
>> sur tous les nodes :)
>
> Vu la latence et les reverses, tous les nœuds sont au même endroit :
>
> % for ns in a b c; do mtr -bzwe4 ${ns}.dns.gandi.net; mtr -bzwe6
> ${ns}.dns.gandi.net; done
> Start: 2018-04-24T18:26:43+0200
> HOST: mew.swordarmor.fr Loss% Snt
> Last Avg Best Wrst StDev
> 1. AS204092 br-ganeti.regis.swordarmor.fr (89.234.186.209) 0.0% 10
> 0.3 0.3 0.2 0.4 0.0
> 2. AS204092 nominoe.cogent-rns.grifon.fr (89.234.186.7) 0.0% 10
> 0.3 0.5 0.3 0.6 0.1
> 3. AS??? ??? 100.0 10
> 0.0 0.0 0.0 0.0 0.0
> 4. AS198507 185-132-75-34.boamuo.quantic.ninja (185.132.75.34) 0.0% 10
> 11.4 12.8 11.3 24.8 4.2
> 5. AS??? gandi.equinix-ix.fr (195.42.144.8) 0.0% 10
> 15.2 14.6 13.3 15.8 0.8
> 6. AS29169 te0-0-1-0-core1-lux.lux.gandi.net (217.70.176.102) 0.0% 10
> 28.2 59.2 27.8 331.9 95.8
> [MPLS: Lbl 24133 Exp 0 S u TTL 1]
> 7. AS29169 xe3-x.gdist1-lux.gandi.net (217.70.186.42) 0.0% 10
> 27.8 27.8 27.4 28.6 0.3
> [MPLS: Lbl 121 Exp 0 S u TTL 1]
> 8. AS29169 a.dns.gandi.net (173.246.98.1) 0.0% 10
> 27.3 27.3 27.2 27.5 0.1
> Start: 2018-04-24T18:27:00+0200
> HOST: mew.swordarmor.fr
> Loss% Snt Last Avg Best Wrst StDev
> 1. AS204092 br-ganeti.regis.swordarmor.fr (2a00:5884:102:1::1)
> 0.0% 10 0.5 0.4 0.3 0.5 0.1
> 2. AS204092 budic.cogent-rns.grifon.fr (2a00:5884::6)
> 0.0% 10 0.5 0.6 0.4 0.7 0.1
> 3. AS174 2001:978:2:4e::5:1
> 0.0% 10 1.6 1.8 1.5 2.0 0.1
> 4. AS174 te0-0-2-1.rcr11.rns01.atlas.cogentco.com
> (2001:550:0:1000::9a19:47d) 0.0% 10 1.7 1.7 1.6 1.9 0.1
> 5. AS174 te0-2-0-10.agr21.par01.atlas.cogentco.com
> (2001:550:0:1000::9a19:97d) 0.0% 10 7.4 7.8 7.4 8.6 0.4
> 6. AS174 te0-0-1-0.rcr11.rhe01.atlas.cogentco.com
> (2001:550:0:1000::9a36:2416) 0.0% 10 10.6 11.1 10.6 12.9 0.7
> 7. AS174 te0-6-0-15.rcr21.lux01.atlas.cogentco.com
> (2001:550:0:1000::9a36:2676) 0.0% 10 17.1 17.0 16.7 17.3 0.2
> 8. AS174 be3456.nr51.b038844-0.lux01.atlas.cogentco.com
> (2001:550:0:1000::9a19:c46) 0.0% 10 17.5 17.7 17.4 19.6 0.7
> 9. AS174 2001:978:2:4c::11:2
> 0.0% 10 22.5 23.0 22.2 24.3 0.8
> 10. AS29169 xe3-23-dist1-lux-ip6.lux.gandi.net (2001:4b98:dc2:1f::cd1:2)
> 0.0% 10 22.0 25.7 22.0 57.7 11.2
> 11. AS29169 a.dns.gandi.net (2604:3400:abca::1)
> 0.0% 10 21.6 30.8 21.4 96.4 23.5
> Start: 2018-04-24T18:27:22+0200
> HOST: mew.swordarmor.fr Loss% Snt
> Last Avg Best Wrst StDev
> 1. AS204092 br-ganeti.regis.swordarmor.fr (89.234.186.209) 0.0% 10
> 0.2 0.3 0.2 0.4 0.1
> 2. AS204092 nominoe.cogent-rns.grifon.fr (89.234.186.7) 0.0% 10
> 0.4 0.5 0.3 0.7 0.1
> 3. AS??? ??? 100.0 10
> 0.0 0.0 0.0 0.0 0.0
> 4. AS198507 185-132-75-34.boamuo.quantic.ninja (185.132.75.34) 0.0% 10
> 11.6 11.5 11.2 11.6 0.1
> 5. AS??? gandi.equinix-ix.fr (195.42.144.8) 0.0% 10
> 13.1 15.0 12.4 17.8 1.9
> 6. AS29169 te0-0-1-0-core1-lux.lux.gandi.net (217.70.176.102) 0.0% 10
> 28.1 28.7 28.1 33.0 1.5
> [MPLS: Lbl 24276 Exp 0 S u TTL 1]
> 7. AS29169 xe3-x.gdist2-lux.gandi.net (217.70.186.54) 0.0% 10
> 27.4 29.3 27.3 37.5 3.9
> 8. AS29169 b.dns.gandi.net (213.167.229.1) 0.0% 10
> 27.3 27.6 27.2 29.5 0.7
> Start: 2018-04-24T18:27:39+0200
> HOST: mew.swordarmor.fr
> Loss% Snt Last Avg Best Wrst StDev
> 1. AS204092 br-ganeti.regis.swordarmor.fr (2a00:5884:102:1::1)
> 0.0% 10 0.4 0.4 0.2 0.5 0.1
> 2. AS204092 budic.cogent-rns.grifon.fr (2a00:5884::6)
> 0.0% 10 0.6 0.5 0.5 0.7 0.1
> 3. AS198507 rennes-rns01-gw1.routers.quantic-telecom.net
> (2a06:e040:3501:101:2::1) 0.0% 10 0.7 0.7 0.6 0.8 0.1
> 4. AS198507 paris-th2-gw1.routers.quantic-telecom.net
> (2a06:e040:0:7501:1350:aa:0:1) 0.0% 10 11.7 11.6 11.5 11.8 0.1
> 5. AS??? 10gigabitethernet-2-2.par2.he.net (2001:7f8:43::6939:1)
> 0.0% 10 149.0 40.9 11.6 149.0 41.6
> 6. AS??? gandi.par.franceix.net (2001:7f8:54::154)
> 90.0% 10 13.3 13.3 13.3 13.3 0.0
> 7. AS29169 xe0-0-1-0-core2-d-ip6.paris.gandi.net (2001:4b98:1f::c2b1:1)
> 10.0% 10 28.1 46.2 27.7 188.0 53.2
> 8. AS29169 xe0-0-1-0-core2-d-ip6.paris.gandi.net (2001:4b98:1f::c2b1:1)
> 0.0% 10 29.6 28.4 27.7 30.3 0.9
> AS29169 xe3-23-dist1-lux-ip6.lux.gandi.net (2001:4b98:dc2:1f::cd1:2)
> 9. AS29169 xe3-23-dist1-lux-ip6.lux.gandi.net (2001:4b98:dc2:1f::cd1:2)
> 0.0% 10 27.2 27.8 27.2 30.0 1.0
> AS29169 b.dns.gandi.net (2001:4b98:abcb::1)
> 10. AS29169 b.dns.gandi.net (2001:4b98:abcb::1)
> 0.0% 10 27.6 27.4 27.2 28.0 0.2
> Start: 2018-04-24T18:27:56+0200
> HOST: mew.swordarmor.fr Loss% Snt
> Last Avg Best Wrst StDev
> 1. AS204092 br-ganeti.regis.swordarmor.fr (89.234.186.209) 0.0% 10
> 0.3 0.3 0.2 0.4 0.1
> 2. AS204092 nominoe.cogent-rns.grifon.fr (89.234.186.7) 0.0% 10
> 0.5 0.5 0.4 0.6 0.1
> 3. AS??? ??? 100.0 10
> 0.0 0.0 0.0 0.0 0.0
> 4. AS198507 185-132-75-34.boamuo.quantic.ninja (185.132.75.34) 0.0% 10
> 11.5 11.5 11.4 11.6 0.1
> 5. AS??? gandi.equinix-ix.fr (195.42.144.8) 0.0% 10
> 12.7 14.3 12.7 15.7 1.1
> 6. AS29169 te0-0-1-0-core1-lux.lux.gandi.net (217.70.176.102) 0.0% 10
> 28.1 28.3 27.8 29.7 0.5
> [MPLS: Lbl 24277 Exp 0 S u TTL 1]
> 7. AS29169 xe3-x.gdist1-lux.gandi.net (217.70.186.42) 0.0% 10
> 27.5 27.7 27.3 29.4 0.6
> 8. AS29169 c.dns.gandi.net (217.70.179.1) 0.0% 10
> 27.4 27.6 27.3 28.8 0.5
> Start: 2018-04-24T18:28:11+0200
> HOST: mew.swordarmor.fr
> Loss% Snt Last Avg Best Wrst StDev
> 1. AS204092 br-ganeti.regis.swordarmor.fr (2a00:5884:102:1::1)
> 0.0% 10 0.4 0.3 0.2 0.4 0.1
> 2. AS204092 budic.cogent-rns.grifon.fr (2a00:5884::6)
> 0.0% 10 0.6 0.6 0.4 0.7 0.1
> 3. AS198507 rennes-rns01-gw1.routers.quantic-telecom.net
> (2a06:e040:3501:101:2::1) 0.0% 10 0.8 0.8 0.6 0.9 0.1
> 4. AS198507 paris-th2-gw1.routers.quantic-telecom.net
> (2a06:e040:0:7501:1350:aa:0:1) 0.0% 10 11.7 11.6 11.4 11.7 0.1
> 5. AS??? ???
> 100.0 10 0.0 0.0 0.0 0.0 0.0
> 6. AS29169 xe0-0-1-0-core2-d-ip6.paris.gandi.net (2001:4b98:1f::c2b1:1)
> 0.0% 10 28.2 41.5 27.9 159.2 41.4
> 7. AS29169 xe7-31-gdist2-lux-ip6.lux.gandi.net (2001:4b98:dc2:1f::dc1:2)
> 0.0% 10 27.9 28.7 27.9 34.1 1.9
> 8. AS29169 c.dns.gandi.net (2604:3400:abcc::1)
> 0.0% 10 27.3 27.5 27.3 27.6 0.1
>
> --
> alarig
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