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Old 16-02-2021, 14:34   #7
MiloZ
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Iscritto dal: Mar 2004
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Quote:
Originariamente inviato da Psyred Guarda i messaggi
Molto probabilmente i data center di Arezzo sono connessi alla dorsale TERNA/Wind. Quindi vieni instradato direttamente su AR sia con W3 che con Aruba (in questo caso via Open Fiber tramite TERNA).

Questo spiegherebbe anche il fatto che Wind sia uno dei loro carrier.
Oltretutto quando si aggancia Cogent passa da Roma purtroppo, tipo questi due traceroute:

Codice:
traceroute to login.uogames.ru (95.211.104.204), 30 hops max, 60 byte packets
 1  host2-128-110-95.serverdedicati.aruba.it (95.110.128.2)  1.430 ms  1.449 ms  1.476 ms
 2  it2-core-a.aruba.it (62.149.190.3)  0.878 ms it2-core-b.aruba.it (62.149.190.4)  0.844 ms it2-core-a.aruba.it (62.149.190.3)  1.010 ms
 3  it1-core-b.aruba.it (62.149.191.26)  0.868 ms it1-core-a.aruba.it (62.149.191.18)  0.777 ms it1-core-b.aruba.it (62.149.191.26)  0.842 ms
 4  be4460.rcr11.qzo03.atlas.cogentco.com (149.6.18.49)  1.178 ms  3.370 ms be4458.rcr12.qzo03.atlas.cogentco.com (149.6.18.57)  0.989 ms
 5  be3525.rcr51.rom01.atlas.cogentco.com (154.54.57.217)  13.001 ms be3137.rcr51.vce01.atlas.cogentco.com (130.117.48.113)  10.351 ms be3139.rcr51.rom01.atlas.cogentco.com (154.54.37.14)  13.161 ms
 6  be3558.rcr51.vce01.atlas.cogentco.com (154.54.60.89)  12.893 ms  12.862 ms be3526.rcr21.mil01.atlas.cogentco.com (154.54.59.2)  10.771 ms
 7  be3526.rcr21.mil01.atlas.cogentco.com (154.54.59.2)  13.300 ms  13.345 ms be2195.ccr51.zrh02.atlas.cogentco.com (154.54.61.81)  14.312 ms
 8  be3072.ccr21.muc03.atlas.cogentco.com (130.117.0.18)  19.683 ms be3073.ccr22.muc03.atlas.cogentco.com (130.117.0.62)  19.543 ms be3072.ccr21.muc03.atlas.cogentco.com (130.117.0.18)  19.685 ms
 9  be2960.ccr42.fra03.atlas.cogentco.com (154.54.36.253)  25.337 ms * be2959.ccr41.fra03.atlas.cogentco.com (154.54.36.53)  25.488 ms
10  * be2813.ccr41.ams03.atlas.cogentco.com (130.117.0.121)  33.138 ms  43.890 ms
11  be2814.ccr42.ams03.atlas.cogentco.com (130.117.0.141)  35.234 ms be2813.ccr41.ams03.atlas.cogentco.com (130.117.0.121)  51.668 ms  35.130 ms
12  leaseweb.demarc.cogentco.com (149.14.93.2)  39.872 ms 149.6.0.214 (149.6.0.214)  41.898 ms be3434.rcr21.ams06.atlas.cogentco.com (154.54.59.50)  35.262 ms
13  leaseweb.demarc.cogentco.com (149.14.93.10)  42.556 ms 149.6.0.214 (149.6.0.214)  44.616 ms 149.6.0.202 (149.6.0.202)  40.704 ms
14  be-11.cr06.ams-01.nl.leaseweb.net (81.17.32.167)  44.454 ms  44.736 ms *
15  * * *


traceroute to 151.101.194.1 (151.101.194.1), 30 hops max, 60 byte packets
 1  host3-128-110-95.serverdedicati.aruba.it (95.110.128.3)  0.854 ms  0.876 ms  0.898 ms
 2  it2-core-b.aruba.it (62.149.190.4)  0.684 ms it2-core-a.aruba.it (62.149.190.3)  0.893 ms  0.967 ms
 3  it1-core-a.aruba.it (62.149.191.18)  0.852 ms it1-core-b.aruba.it (62.149.191.26)  0.780 ms it1-core-a.aruba.it (62.149.191.18)  0.830 ms
 4  be4458.rcr12.qzo03.atlas.cogentco.com (149.6.18.57)  1.016 ms be4460.rcr11.qzo03.atlas.cogentco.com (149.6.18.49)  1.281 ms  1.342 ms
 5  be3525.rcr51.rom01.atlas.cogentco.com (154.54.57.217)  13.351 ms  13.346 ms be3138.rcr51.vce01.atlas.cogentco.com (154.54.36.225)  10.170 ms
 6  be3558.rcr51.vce01.atlas.cogentco.com (154.54.60.89)  12.850 ms be3526.rcr21.mil01.atlas.cogentco.com (154.54.59.2)  10.586 ms be3558.rcr51.vce01.atlas.cogentco.com (154.54.60.89)  13.143 ms
 7  be2195.ccr51.zrh02.atlas.cogentco.com (154.54.61.81)  14.484 ms be3526.rcr21.mil01.atlas.cogentco.com (154.54.59.2)  13.404 ms be2195.ccr51.zrh02.atlas.cogentco.com (154.54.61.81)  14.456 ms
 8  be2195.ccr51.zrh02.atlas.cogentco.com (154.54.61.81)  17.162 ms be3072.ccr21.muc03.atlas.cogentco.com (130.117.0.18)  19.714 ms be2195.ccr51.zrh02.atlas.cogentco.com (154.54.61.81)  16.932 ms
 9  * * be3072.ccr21.muc03.atlas.cogentco.com (130.117.0.18)  22.658 ms
10  * * *

Anche dove non si vede l'hop "rom" forse alcune volte ci passa ugualmente da Roma vista la latenza su Milano (o l'instradamento sulla rete Cogent non č cosė performante):


Codice:
traceroute to superhost.cz (95.168.211.44), 30 hops max, 60 byte packets
 1  host3-128-110-95.serverdedicati.aruba.it (95.110.128.3)  0.975 ms  1.087 ms  1.175 ms
 2  it2-core-a.aruba.it (62.149.190.3)  0.874 ms it2-core-b.aruba.it (62.149.190.4)  0.800 ms it2-core-a.aruba.it (62.149.190.3)  0.927 ms
 3  it1-core-a.aruba.it (62.149.191.18)  0.783 ms it1-core-b.aruba.it (62.149.191.26)  0.866 ms  0.971 ms
 4  be4458.rcr12.qzo03.atlas.cogentco.com (149.6.18.57)  1.050 ms  1.204 ms be4460.rcr11.qzo03.atlas.cogentco.com (149.6.18.49)  0.958 ms
 5  be3137.rcr51.vce01.atlas.cogentco.com (130.117.48.113)  10.066 ms be3139.rcr51.rom01.atlas.cogentco.com (154.54.37.14)  13.075 ms be3525.rcr51.rom01.atlas.cogentco.com (154.54.57.217)  12.930 ms
 6  be3526.rcr21.mil01.atlas.cogentco.com (154.54.59.2)  10.473 ms  10.449 ms be3558.rcr51.vce01.atlas.cogentco.com (154.54.60.89)  13.274 ms
 7  be3526.rcr21.mil01.atlas.cogentco.com (154.54.59.2)  13.221 ms  13.517 ms be2196.ccr52.zrh02.atlas.cogentco.com (154.54.61.89)  13.993 ms
 8  be3072.ccr21.muc03.atlas.cogentco.com (130.117.0.18)  19.852 ms  19.758 ms be3073.ccr22.muc03.atlas.cogentco.com (130.117.0.62)  19.842 ms
 9  be2974.ccr51.vie01.atlas.cogentco.com (154.54.58.6)  25.944 ms be3072.ccr21.muc03.atlas.cogentco.com (130.117.0.18)  22.323 ms be3073.ccr22.muc03.atlas.cogentco.com (130.117.0.62)  22.922 ms
10  be2974.ccr51.vie01.atlas.cogentco.com (154.54.58.6)  28.751 ms  28.624 ms  28.806 ms
11  be3463.ccr22.bts01.atlas.cogentco.com (154.54.59.186)  29.992 ms  29.828 ms be3045.ccr21.prg01.atlas.cogentco.com (154.54.59.105)  32.274 ms
12  be3044.ccr21.prg01.atlas.cogentco.com (154.54.59.97)  35.005 ms datacamp.demarc.cogentco.com (149.6.24.2)  31.809 ms  31.782 ms
13  vl6.sit-ar-core2.superhosting.cz (88.86.96.195)  31.847 ms  31.861 ms unn-88-86-96-107.superhosting.cz (88.86.96.107)  31.898 ms
14  po2.prg-ttc1-klec-core-2.superhosting.cz (88.86.96.47)  31.844 ms vl6.sit-ar-core2.superhosting.cz (88.86.96.195)  34.701 ms  34.657 ms
15  po2.prg-ttc1-klec-core-2.superhosting.cz (88.86.96.47)  34.715 ms po1.prg-ttc1-klec-core-2.superhosti
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