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2010-04-13 - Caucasus Online Network Problems E-mail
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Caucasus Online is Georgia's largest internet provider with a 75% market share.

Due to for me unknown problems Caucasus Online is often loosing internet connection to rest of the world (also called "Global" Connection).

here is the list of some(detected)  network outages:  (Tbilisi Time)

2010-04-13 at 00:50 - 04:44 "Global" connection Lost. Caucasus Online customers had no internet connection to outside of Georgia for ~4 hours

2010-02-19 at 12:27 - 16:30 "Global" connection Lost. Caucasus Online customers had no internet connection to outside of Georgia for 4 hours

2009-10-08 at 22:00 - 01:00 "Global" connection Lost. Caucasus Online customers had no internet connection to outside of Georgia for 3 hours

2009-06-27 at 17:00 - 19:00 Our server and some other Servers at Caucasus-online were Offline. Is was power loss/outage in server room. (??:00)

2009-06-21 at 01:00 - 11:40 "Global" connection working only partially. Backup link works only for some ASs. (10:40)

2009-06-09 at 01:02 - 04:45 "Global" connection working only partially. Backup link works only for some ASs. (3:45)

2009-06-03 at 21:00 - 22:30 "Global" connection for most customers working thru backup link.(High RTT, Packet loss ~5%) (1:30)

2009-06-03 at 19:00 - 21:00 "Global" connection working only partially. Backup link works only for some ASs. (2:00)

2009-05-28 at 11:20 - 13:00 "Global" connection working only partially. Backup link works only for some ASs. (~1:30)

2009-05-20 at 01:57 - 02:10 "Global" connection working only partially. Backup link works only for some ASs. (~10 min)

2009-05-17 at 03:07 - 03:15 "Global" connection working only partially. Backup link works only for some ASs. (~10 min)

2009-05-10 at 01:02 - 03:00 "Global" connection working only partially. Backup link works only for some ASs. (2:00)

2009-05-08 at 14:02 - 20:40 "Global" connection working only partially. Backup link works only for some ASs. (6:40)

April (Summary Downtime over 30 Hours. Availability of "Global Connection" for most Customers was under 95,84 %)

2009-04-29 at 10:00 - 16:20 "Global" connection working only partially. Backup link works only for some ASs. (6:20)

2009-04-21 at 20:00 - 02:00 "Global" connection working only partially. Backup link works only for some ASs. (6:00)

2009-04-15 at 10:03 - 17:10 "Global" connection working only partially. Backup link works only for some ASs. (7:00)

2009-04-12 at 02:02 - 02:35 "Global" connection working only partially. Backup link works only for some ASs. Most Caucasus Online Customers isolated from Internet. (0:30)

2009-04-08 at 16:02 - 02:30 "Global" connection working only partially. (10:30)

This time some ASs(AS2778) have been switched to backup link (rostelecom.ru / deltanet.ge) but other Caucasus Online ASs (former Gerogia Online AS2778, Sanet AS12497 etc. ) were not available. Most GeLink and DSL customers were affected by this Outage. Late in the night the problem was fixed.

Mart (Summary Downtime over  14 Hours. Availability of "Global Connection" for most Customers was under 98,08 % )

2009-03-28 at 18:15 - 02:45 "Global" connection working only partially (Huge packet loss 15-40% in cogentco.com network in Bulgaria). (8:30)

2009-03-24 at 03:06 - 09:00 "Global" connection interrupted for 6 hours. (6:00)

2009-02-21 at 03:27 - 03:30 "Global" connection interrupted. Connection to Europe still has high packet loss as right before network outage. (-)

Problems seems to be caused by Cogentco  Network (Near Sofia). There is ~20 % packet loss between te1-4.ccr01.buh01.atlas.cogentco.com and gi9-10.ccr01.sof01.atlas.cogentco.com

February

2009-02-21 at 03:03 - 03:53 Internet Connection to rest of the World was interrupted for 50 Minutes again!

2009-02-14 at 03:56 - 04:46  Internet Connection to rest of the World was interrupted for 50 Minutes.


 


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