Generated Report for Unified

Unified - Internet2 IP Network Operations Report
07/03/2017 - 07/09/2017

Unified - Internet2 IP Network Operations Center
at Indiana University

New Connections

None

Upgrades

None

New Services

None

Unscheduled Outages Summary

Ticket Number	Customer Impact	Network Impact	*Title*	Outage Type	Source Of Impact	*Start Time (UTC)*	*End Time (UTC)*

14470	4-Normal	2-High	Brief Outage - I2 AL2S Backbone ATLA-JCSN	Undetermined	Vendor	07/05/2017 3:10 AM	07/05/2017 3:11 AM
						07/05/2017 5:43 PM	07/05/2017 5:44 PM
14488	4-Normal	2-High	Outage Resolved - I2 AL2S Backbone ASHB-WASH	Software	Vendor	07/06/2017 9:43 AM	07/06/2017 10:46 AM
14495	4-Normal	1-Critical	Availability - I2 Optical Various Circuits	Undetermined	Vendor	07/06/2017 1:56 PM	07/06/2017 1:57 PM
14518	4-Normal	2-High	Outage Resolved - I2 Al2S Backbone CINC-INDI	Hardware	Vendor	07/07/2017 4:54 PM	07/07/2017 9:29 PM

Unscheduled Outages Detail

Ticket No.:	14470:144
Subject:	Brief Outage - I2 AL2S Backbone ATLA-JCSN
Source Of Impact:	Vendor
Affected:	AL2S Backbone ATLA-JCSN AL2S Participant GEANT (EUMETSAT) IP Backbone ATLA-JCSN
Start Time:	Wednesday, July 5, 2017, 3:10 AM (0310) UTC
End Time:	Wednesday, July 5, 2017, 3:11 AM (0311) UTC
Start Time:	Wednesday, July 5, 2017, 5:43 PM (1743) UTC
End Time:	Wednesday, July 5, 2017, 5:44 PM (1744) UTC
Description:	The above listed asset is now available. Level(3) Engineers are investigating the cause. The reason for the outage is pending. Workgroup administrators receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	14488:144
Subject:	Outage Resolved - I2 AL2S Backbone ASHB-WASH
Source Of Impact:	Vendor
Affected:	AL2S Backbone ASHB-WASH IP Backbone ATLA-CLEV and ASHB-CLEV GEANT - EUMETSAT IP Net+ Provider Blackboard
Start Time:	Thursday, July 6, 2017, 9:43 AM (0943) UTC
End Time:	Thursday, July 6, 2017, 10:46 AM (1046) UTC
Description:	Please note the updated affected. The above listed asset is now available. The reason for the outage was a software upgrade. Workgroup administrators receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	14495:144
Subject:	Availability - I2 Optical Various Circuits
Source Of Impact:	Vendor
Affected:	AL2S Backbone ATLA-WASH, RALE-WASH, IP Backbone ATLA-CLEV Optical Member ESnet Optical Member NORDUnet Optical Member NOAA N-Wave Optical Member MCNC GEANT - EUMETSAT
Start Time:	Thursday, July 6, 2017, 1:56 PM (1356) UTC
End Time:	Thursday, July 6, 2017, 1:57 PM (1357) UTC
Description:	The above listed assets are now available after an outage. Level(3) Engineers have been contacted. However, after investigation no official RFO could be determined. No further outages are anticipated at this time.

Ticket No.:	14518:144
Subject:	Outage Resolved - I2 Al2S Backbone CINC-INDI
Source Of Impact:	Vendor
Affected:	AL2S Backbone CINC-INDI
Start Time:	Friday, July 7, 2017, 4:54 PM (1654) UTC
End Time:	Friday, July 7, 2017, 9:29 PM (2129) UTC
Description:	The above listed assets are now available. Level(3) and Internet2 Engineers investigated the cause and determined it to be due to an optical card failure. Level(3) performed a cold restart on the optical card resolving this issue. No further outages are expected.

Scheduled Maintenances Summary

Ticket Number	Customer Impact	Network Impact	*Title*	Maintenance Type	Source Of Impact	*Start Time (UTC)*	*End Time (UTC)*

14493	3-Elevated	2-High	Emergency Maintenance Completed - I2 AL2S Backbone CLEV-PITT	Hardware	Vendor	07/07/2017 2:52 AM	07/07/2017 3:10 AM

Scheduled Maintenances Detail

Ticket No.:	14493:144
Subject:	Emergency Maintenance Completed - I2 AL2S Backbone CLEV-PITT
Source Of Impact:	Vendor
Affected:	AL2S Backbone CLEV-PITT IP Backbone CLEV-PITT GEANT - EUMETSAT
Start Time:	Friday, July 7, 2017, 2:52 AM (0252) UTC
End Time:	Friday, July 7, 2017, 3:10 AM (0310) UTC
Description:	The above listed asset was unavailable while Level(3) Engineers performed maintenance to reseat a card in Cleveland, OH. Maintenance has been completed. Backbone traffic was re-routed during this maintenance.

Downtime and Availability

Unified - Internet2 IP Core Nodes	Down Time		Reporting Period Availability		52 Week Availability
ASHB MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
ATLA MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
CHIC MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
CLEV MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
HOUS MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
KANS MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
LOSA MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
NEWY MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
SALT MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
SEAT MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
WASH MX960	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
rtsw0.sing1.net.internet2.edu	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
rtsw.sing2.net.internet2.edu	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%

Aggregate Unified - Internet2 IP Core Nodes	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%

NOTE: Numbers in italics represent downtime with scheduled maintenance excluded. Internet2's definition of scheduled maintenance is any anticipated outage announced at least 72 hours in advance of the outage start time.

Unified - Internet2 IP Backbone Circuits	Down Time		Reporting Period Availability		52 Week Availability
Commodity 100G Backbone: I2-LOSA-WILC-VLAN-23104	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.97363%	100.00000%
Commodity 10G Backbone: I2-LOSA-PAIX-VLAN-23106	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.89185%	99.91595%
I2-ASHB-CHIC-VLAN-70336	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99981%	99.99981%
I2-ATLA-CHIC-VLAN-09088	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.08944%	99.23270%
I2-ATLA-CHIC-VLAN-09218	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	98.93443%	99.10861%
I2-ATLA-CHIC-VLAN-67356	4 hr 35 min	4 hr 35 min	97.27183%	97.27183%	99.87838%	99.88122%
I2-ATLA-CHIC-VLAN-69781	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.51294%	99.58770%
I2-ATLA-CHIC-VLAN-69782	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.77136%	99.81387%
I2-ATLA-CHIC-VLAN-69783	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.75713%	99.78541%
I2-ATLA-CLEV-VLAN-14832	1 hr 4 min	1 hr 4 min	99.36508%	99.36508%	99.51882%	99.93321%
I2-ATLA-CLEV-VLAN-14837	1 hr 21 min	1 hr 3 min	99.19643%	99.37500%	99.51692%	99.93359%
I2-ATLA-JCSN-VLAN-70248	0 hr 2 min	0 hr 2 min	99.98016%	99.98016%	99.95712%	99.99696%
I2-ATLA-LOUI-VLAN-70330	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71805%	99.78180%
I2-ATLA-NEWY32AOA-VLAN-14833	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.57745%	99.79072%
I2-ATLA-NEWY32AOA-VLAN-14838	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.59605%	99.79072%
I2-BATO-JACK-VLAN-70245	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.95010%	99.99962%
I2-CHIC-INDI-VLAN-70294	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.88027%	99.88027%
I2-CHIC-NEWY32AOA-VLAN-14831	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.59737%	99.88540%
I2-CHIC-NEWY32AOA-VLAN-14834	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.61255%	99.88559%
I2-CHIC-STAR-VLAN-69798	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.97154%	99.99829%
I2-CHIC-WASH-VLAN-12131	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.84498%	99.97249%
I2-CHIC-WASH-VLAN-12132	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.86054%	99.98805%
I2-CINC-INDI-VLAN-70295	4 hr 35 min	4 hr 35 min	97.27183%	97.27183%	99.58618%	99.58903%
I2-CLEV-NEWY32A0A-VLAN-09177	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.91500%	99.94365%
I2-DENV-ELPA-VLAN-69874	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99734%	100.00000%
I2-DENV-KANS-VLAN-11760	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78768%	99.99374%
I2-ELPA-HOUH-VLAN-69875	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.95826%	99.99753%
I2-ELPA-TUCS-VLAN-69876	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99981%	100.00000%
I2-HOUH-JCSN-VLAN-70247	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99981%	99.99981%
I2-MINN-MISS2-VLAN-69792	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98596%	99.98596%
I2-MISS2-SEAT-VLAN-69788	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99962%	99.99962%
I2-NEWY32AOA-PHIL-VLAN-70587	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99962%	99.99981%
I2-PAIX-SUNN-VLAN-70166	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.97913%	99.97913%
Layer3 AL3S Backbone ASHB-ATLA Commodity VLAN 55204	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.81671%	99.99867%
Layer3 AL3S Backbone ASHB-ATLA R&E VLAN 55199	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	98.78150%	98.96459%
Layer3 AL3S Backbone ASHB-CHIC Commodity VLAN 55203	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.86130%	99.99583%
Layer3 AL3S Backbone ASHB-CHIC R&E VLAN 55198	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Layer3 AL3S Backbone ASHB-CLEV Commodity VLAN 55202	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.97799%	100.00000%
Layer3 AL3S Backbone ASHB-CLEV R&E VLAN 55197	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.87041%	99.97476%
Layer3 AL3S Backbone ASHB-NEWY Commodity VLAN 55206	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.74196%	99.79110%
Layer3 AL3S Backbone ASHB-NEWY R&E VLAN 55201	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.72127%	99.79110%
Layer3 AL3S Backbone ASHB-WASH Commodity VLAN 55205	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.94460%	100.00000%
Layer3 AL3S Backbone ASHB-WASH R&E VLAN 55200	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.94346%	100.00000%
Legacy 100G Backbone: I2-LOSA-WILC-100GE-23893	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-ATLA-CHIC-10GE-05419	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.29170%	99.41352%
Legacy 10G Backbone: I2-ATLA-HOUS-10GE-05423	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	98.79800%	98.99325%
Legacy 10G Backbone: I2-ATLA-WASH-10GE-05251	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-ATLA-WASH-10GE-09142	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.88426%	99.99905%
Legacy 10G Backbone: I2-CHIC-CLEV-10GE-08891	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.86832%	99.99962%
Legacy 10G Backbone: I2-CHIC-KANS-10GE-05781	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-CHIC-KANS-10GE-05976	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.91082%	99.99621%
Legacy 10G Backbone: I2-CLEV-NEWY32AOA-10GE-08894	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-CLEV-WASH-10GE-08889	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.89697%	99.97154%
Legacy 10G Backbone: I2-HOUS-KANS-10GE-05560	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.86453%	99.99013%
Legacy 10G Backbone: I2-HOUS-KANS-LAG-08934	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-HOUS-LOSA-10GE-05559	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.58808%	99.74196%
Legacy 10G Backbone: I2-KANS-SALT-10GE-05566	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.75562%	99.85105%
Legacy 10G Backbone: I2-KANS-SALT-LAG-08935	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.92714%	99.94023%
Legacy 10G Backbone: I2-LOSA-PAIX-10GE-05853	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.85808%	99.91595%
Legacy 10G Backbone: I2-LOSA-SALT-10GE-05563	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.94763%	100.00000%
Legacy 10G Backbone: I2-LOSA-SEAT-10GE-05564	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.85542%	99.91215%
Legacy 10G Backbone: I2-LOSA-SEAT-10GE-05572	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Legacy 10G Backbone: I2-NEWY32AOA-WASH-10GE-07612	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.88616%	99.95181%
Legacy 10G Backbone: I2-SALT-SEAT-10GE-05565	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.96831%	99.99905%
R&E 100G Backbone: I2-ATLA-CHIC-VLAN-09181	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.20177%	99.41485%
R&E 100G Backbone: I2-ATLA-HOUS-VLAN-09182	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	98.77770%	99.14523%
R&E 100G Backbone: I2-ATLA-WASH-VLAN-09179	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78123%	99.98729%
R&E 100G Backbone: I2-ATLA-WASH-VLAN-09318	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78123%	99.98729%
R&E 100G Backbone: I2-CHIC-CLEV-VLAN-09180	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71843%	99.99943%
R&E 100G Backbone: I2-CHIC-KANS-VLAN-09183	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.79224%	100.00000%
R&E 100G Backbone: I2-CLEV-NEWY32AOA-VLAN-09177	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.84593%	99.90418%
R&E 100G Backbone: I2-CLEV-WASH-VLAN-09178	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.75049%	99.96300%
R&E 100G Backbone: I2-HOUS-KANS-VLAN-09184	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.72981%	99.98786%
R&E 100G Backbone: I2-HOUS-LOSA-VLAN-09189	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.34730%	99.57024%
R&E 100G Backbone: I2-KANS-SALT-VLAN-09185	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.83701%	99.99924%
R&E 100G Backbone: I2-LOSA-SALT-VLAN-09188	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.68902%	99.90209%
R&E 100G Backbone: I2-LOSA-SEAT-VLAN-09187	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.87117%	100.00000%
R&E 100G Backbone: I2-LOSA-SEAT-VLAN-09328	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.87117%	100.00000%
R&E 100G Backbone: I2-LOSA-WILC-VLAN-23103	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.97363%	100.00000%
R&E 100G Backbone: I2-NEWY32AOA-WASH-VLAN-09176	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.95010%	100.00000%
R&E 100G Backbone: I2-SALT-SEAT-VLAN-09186	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99905%	99.99905%
R&E 100G Backbone: I2-SALT-SEAT-VLAN-09327	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99924%	99.99924%
R&E 100G Backbone: I2-WASH-ATLA-VLAN-09179	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
R&E 10G Backbone: I2-LOSA-PAIX-VLAN-23105	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.89185%	99.91595%

Aggregate All Unified - Internet2 IP Backbone Circuits	11 hr 37 min	0 hr 18 min	99.91768%	99.91981%	99.77843%	99.87639%

Upcoming Scheduled Maintenances

Ticket No.:	14585:144
Subject:	Maintenance - I2 AL2S Backbone MINN-MISS2
Affected:	AL2S Backbone MINN-MISS2 IP Backbone MINN-MISS2
Start Time:	Thursday, July 20, 2017, 5:00 AM (0500) UTC
End Time:	Thursday, July 20, 2017, 10:00 AM (1000) UTC
Description:	The above-listed assets will be unavailable while Zayo Engineers perform maintenance. An outage of 5 hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	14613:144
Subject:	Maintenance - I2 Optical Member ESNet
Affected:
Start Time:	Thursday, July 20, 2017, 11:00 PM (2300) UTC
End Time:	Friday, July 21, 2017, 1:00 AM (0100) UTC
Description:	Member ESNet's Optical circuits ESNET-ANL221-CHIC-10GE-08267 and ESNET-ANL541B-STAR-10GE-07951 will be unavailable while ESnet Engineers perform an in-service software upgrade on ANL-MR2. No traffic interruption is expected, however, the entire maintenance window has been reserved.

Ticket No.:	14675:144
Subject:	Maintenance - I2 AL2S Backbone ATLA-JACK and BATO-JACK
Affected:	AL2S Backbone ATLA-JACK and BATO-JACK IP Backbone ATLA-JACK and BATO-JACK
Start Time:	Friday, July 21, 2017, 2:00 AM (0200) UTC
End Time:	Friday, July 21, 2017, 4:00 AM (0400) UTC
Description:	The above listed assets will be unavailable while Internet2 Engineers perform maintenance. An outage of is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	14670:144
Subject:	Maintenance Tracking - I2 IP Node rtr.hous (BGP Monitoring Protocol)
Affected:
Start Time:	Friday, July 21, 2017, 5:00 AM (0500) UTC
End Time:	Friday, July 21, 2017, 6:00 AM (0600) UTC
Description:	The above listed asset will remain available while Internet2 Engineers perform software maintenance. An outage is not expected; however, the entire window is reserved.

Ticket No.:	14694:144
Subject:	Maintenance - I2 Optical Member Pacific Northwest Gigapop
Affected:	Member Pacific Northwest Gigapop
Start Time:	Friday, July 21, 2017, 7:00 AM (0700) UTC
End Time:	Friday, July 21, 2017, 9:00 AM (0900) UTC
Description:	Member Pacific Northwest Gigapop's Optical circuit I2-PORT-SUNN-100GE-54658 will be unavailable while Level(3) Engineers perform maintenance. A brief outage is expected, however the entire maintenance window has been reserved.

Ticket No.:	14501:144
Subject:	Maintenance - I2 IP Connector CERnet
Affected:	IP Connector CERnet and its Participants
Start Time:	Friday, July 21, 2017, 4:00 PM (1600) UTC
End Time:	Friday, July 21, 2017, 10:00 PM (2200) UTC
Description:	The above-listed asset will be unavailable while TATA Engineers perform circuit maintenance. The expected downtime will be 40 minutes, however, the entire maintenance window has been reserved.

Ticket No.:	14631:144
Subject:	Maintenance 1 of 2 - AL2S Connector U.S. Department of Agriculture
Affected:	AL2S Connector U.S. Department of Agriculture
Start Time:	Thursday, July 27, 2017, 5:00 AM (0500) UTC
End Time:	Thursday, July 27, 2017, 11:00 AM (1100) UTC
Description:	The above listed asset will be unavailable while CenturyLink Engineers perform maintenance in Clinton, Thomson, and Davenport, IA. An outage of 15 minutes to 2 hours is expected. The entire window is reserved. Please note this is maintenance 1 of 2.

Ticket No.:	14632:144
Subject:	Maintenance 2 of 2 - AL2S Connector U.S. Department of Agriculture
Affected:	AL2S Connector U.S. Department of Agriculture
Start Time:	Friday, July 28, 2017, 5:00 AM (0500) UTC
End Time:	Friday, July 28, 2017, 11:00 AM (1100) UTC
Description:	The above listed asset will be unavailable while CenturyLink Engineers perform maintenance in Clinton, Thomson, and Davenport, IA. An outage of 15 minutes to 2 hours is expected. The entire window is reserved. Please note this is maintenance 2 of 2.

Ticket No.:	14519:144
Subject:	Maintenance - I2 AL2S Backbone MISS2-SEAT
Affected:	AL2S Backbone MISS2-SEAT IP Backbone MISS2-SEAT
Start Time:	Saturday, August 5, 2017, 3:00 PM (1500) UTC
End Time:	Saturday, August 5, 2017, 10:00 PM (2200) UTC
Description:	The above-listed asset will be unavailable while Zayo Engineers perform maintenance. An outage of 7 hours is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	14547:144
Subject:	Maintenance - I2 Singapore Circuit I2-MEGAI-HK-SING1-10GE-12130
Affected:	Peer China Educational and Research Network
Start Time:	Saturday, August 5, 2017, 4:00 PM (1600) UTC
End Time:	Saturday, August 5, 2017, 8:00 PM (2000) UTC
Description:	The above listed will be unavailable while TATA engineers perform software maintenance. Outages are expected. The entire window is reserved.