Generated Report for Unified

Unified - Internet2 IP Network Operations Report
04/11/2016 - 04/17/2016

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)*

7960	1-Critical	1-Critical	Outage Resolved - I2 AL2S Core Node ASHB	Hardware	Vendor	04/12/2016 3:12 AM	04/12/2016 9:40 AM
7991	4-Normal	2-High	Outage Resolved - I2 AL2S Backbone NEWY32AOA-PHIL	Software	Vendor	04/13/2016 3:53 PM	04/13/2016 4:33 PM
8033	4-Normal	2-High	Outage Resolved - I2 AL2S Backbone ASHB-WASH	Software	Vendor	04/15/2016 3:55 AM	04/15/2016 5:00 AM
8044	4-Normal	2-High	Brief Outage - I2 AL2S Backbone ASHB-WASH	Investigating	Undetermined	04/16/2016 10:44 AM	04/16/2016 10:45 AM

Unscheduled Outages Detail

Ticket No.:	7960:144
Subject:	Outage Resolved - I2 AL2S Core Node ASHB
Source Of Impact:	Vendor
Affected:	AL2S Core Node ASHB AL2S BackboneASHB-CHIC, ASHB-PITT, & ASHB-WASH IP Backbone ASHB-ATLA, ASHB-CHIC, ASHB-NEWY32AOA, CHIC-WASH, CLEV-WASH ATLA-CLEV & ASHB-WASH
Start Time:	Tuesday, April 12, 2016, 3:12 AM (0312) UTC
End Time:	Tuesday, April 12, 2016, 9:40 AM (0940) UTC
Description:	The above listed assets are now available. Internet2 and JTAC Engineers investigated the cause and determined the outage to be caused by a faulty card. The faulty card has been replaced, and all services have restored. The maintenance is complete. No further outages are expected.

Ticket No.:	7991:144
Subject:	Outage Resolved - I2 AL2S Backbone NEWY32AOA-PHIL
Source Of Impact:	Vendor
Affected:	AL2S Backbone NEWY32AOA-PHIL IP Backbone ASHB-NEWY32AOA, ATLA-NEWY32AOA, & NEWY32AOA-WASH
Start Time:	Wednesday, April 13, 2016, 3:53 PM (1553) UTC
End Time:	Wednesday, April 13, 2016, 4:33 PM (1633) UTC
Description:	The above listed asset is now available. Internet2 Engineers investigated the cause and determined that the reason for the outage was a software issue. Internet2 Engineers performed maintenance in order to reboot the card and successfully restored services. The outage is now resolved. No further outages are expected. Workgroup administrators received notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	8033:144
Subject:	Outage Resolved - I2 AL2S Backbone ASHB-WASH
Source Of Impact:	Vendor
Affected:	AL2S Backbone ASHB-WASH IP Backbones ASHB-ATLA, ATLA-CLEV, CHIC-WASH
Start Time:	Friday, April 15, 2016, 3:55 AM (0355) UTC
End Time:	Friday, April 15, 2016, 5:00 AM (0500) UTC
Description:	The above listed asset is now available. Internet2 Engineers have investigated the cause and determined that the reason for the outage was a software issue. The issue has been resolved.

Ticket No.:	8044:144
Subject:	Brief Outage - I2 AL2S Backbone ASHB-WASH
Source Of Impact:	Undetermined
Affected:	AL2S Backbone ASHB-WASH IP Backbone ASHB-ATLA, CLEV-WASH
Start Time:	Saturday, April 16, 2016, 10:44 AM (1044) UTC
End Time:	Saturday, April 16, 2016, 10:45 AM (1045) UTC
Description:	The above listed asset is available after a brief outage. Internet2 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.

Scheduled Maintenances Summary

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

7992	3-Elevated	2-High	Emergency Maintenance Completed - I2 AL2S Backbone NEWY32AOA-PHIL	Hardware	Internal	04/13/2016 4:30 PM	04/13/2016 4:33 PM
8035	3-Elevated	2-High	Emergency Maintenance Completed - I2 AL2S Backbone ASHB-WASH	Hardware	Internal	04/15/2016 5:00 AM	04/15/2016 5:06 AM

Scheduled Maintenances Detail

Ticket No.:	7992:144
Subject:	Emergency Maintenance Completed - I2 AL2S Backbone NEWY32AOA-PHIL
Source Of Impact:	Internal
Affected:	AL2S Backbone NEWY32AOA-PHIL IP Backbone ASHB-NEWY32AOA, ATLA-NEWY32AOA, and NEWY32AOA-WASH Connector Northern Crossroads Connector CAAREN Peer Qatar National Research & Education Network
Start Time:	Wednesday, April 13, 2016, 4:30 PM (1630) UTC
End Time:	Wednesday, April 13, 2016, 4:33 PM (1633) UTC
Description:	The above listed asset was unavailable while Internet2 Engineers performed emergency maintenance to reboot a line card in New York, NY. The maintenance is now compelte. Workgroup administrators received notifications from OESS regarding circuits re-routed on the backbone.

Ticket No.:	8035:144
Subject:	Emergency Maintenance Completed - I2 AL2S Backbone ASHB-WASH
Source Of Impact:	Internal
Affected:	AL2S Backbone ASHB-WASH IP Backbones ASHB-ATLA, ATLA-CLEV, CHIC-WASH, ASHB-WASH, NEWY32AOA- WASH
Start Time:	Friday, April 15, 2016, 5:00 AM (0500) UTC
End Time:	Friday, April 15, 2016, 5:06 AM (0506) UTC
Description:	The above listed asset is now available after Internet2 Engineers performed emergency maintenance. Backbone traffic re-routed during this maintenance. This maintenance is now completed, no further outages are expected.

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
Layer3 AL3S Backbone ASHB-ATLA R&E VLAN 55199	6 hr 29 min	6 hr 29 min	96.14087%	96.14087%	99.83594%	99.91466%
Layer3 AL3S Backbone ASHB-ATLA Commodity VLAN 55204	7 hr 38 min	7 hr 33 min	95.45635%	95.50595%	99.83027%	99.85222%
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-CHIC Commodity VLAN 55203	6 hr 28 min	6 hr 28 min	96.15079%	96.15079%	99.76026%	99.81645%
Layer3 AL3S Backbone ASHB-CLEV R&E VLAN 55197	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.96764%	99.99981%
Layer3 AL3S Backbone ASHB-CLEV Commodity VLAN 55202	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.99886%	100.00000%
Layer3 AL3S Backbone ASHB-NEWY R&E VLAN 55201	7 hr 11 min	7 hr 8 min	95.72421%	95.75397%	99.49099%	99.62439%
Layer3 AL3S Backbone ASHB-NEWY Commodity VLAN 55206	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
Layer3 AL3S Backbone ASHB-WASH R&E VLAN 55200	6 hr 28 min	6 hr 28 min	96.15079%	96.15079%	99.91050%	99.92658%
Layer3 AL3S Backbone ASHB-WASH Commodity VLAN 55205	6 hr 33 min	6 hr 28 min	96.10119%	96.15079%	99.90880%	99.92658%
I2-CHIC-WASH-VLAN-12131	7 hr 38 min	7 hr 33 min	95.45635%	95.50595%	99.63121%	99.75269%
I2-CHIC-WASH-VLAN-12132	7 hr 38 min	7 hr 33 min	95.45635%	95.50595%	99.63121%	99.75269%
I2-ATLA-CLEV-VLAN-14832	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-ATLA-CLEV-VLAN-14837	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-ATLA-NEWY32AOA-VLAN-14833	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-ATLA-NEWY32AOA-VLAN-14838	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-CHIC-NEWY32AOA-VLAN-14831	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
I2-CHIC-NEWY32AOA-VLAN-14834	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	100.00000%	100.00000%
R&E 100G Backbone: I2-ATLA-CHIC-VLAN-09181	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.80529%	99.92772%
R&E 100G Backbone: I2-ATLA-HOUS-VLAN-09182	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.51711%	99.60774%
R&E 100G Backbone: I2-ATLA-WASH-VLAN-09179	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78921%	99.83443%
R&E 100G Backbone: I2-CHIC-CLEV-VLAN-09180	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.70898%	99.85449%
R&E 100G Backbone: I2-CHIC-KANS-VLAN-09183	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.94721%	99.99678%
R&E 100G Backbone: I2-CLEV-NEWY32AOA-VLAN-09177	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.62042%	99.66054%
R&E 100G Backbone: I2-CLEV-WASH-VLAN-09178	6 hr 29 min	6 hr 29 min	96.14087%	96.14087%	99.67170%	99.83519%
R&E 100G Backbone: I2-HOUS-KANS-VLAN-09184	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.36611%	99.50481%
R&E 100G Backbone: I2-HOUS-LOSA-VLAN-09189	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.57179%	99.66413%
R&E 100G Backbone: I2-KANS-SALT-VLAN-09185	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71163%	99.85222%
R&E 10G Backbone: I2-LOSA-PAIX-VLAN-23105	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98940%	99.99981%
Commodity 10G Backbone: I2-LOSA-PAIX-VLAN-23106	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98940%	99.99981%
R&E 100G Backbone: I2-LOSA-SALT-VLAN-09188	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.89858%	99.93377%
R&E 100G Backbone: I2-LOSA-SEAT-VLAN-09187	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.77937%	99.88495%
R&E 100G Backbone: I2-LOSA-SEAT-VLAN-09328	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.77937%	99.88495%
R&E 100G Backbone: I2-LOSA-WILC-VLAN-23103	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98921%	99.99603%
Commodity 100G Backbone: I2-LOSA-WILC-VLAN-23104	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98921%	99.99603%
R&E 100G Backbone: I2-NEWY32AOA-WASH-VLAN-09176	0 hr 48 min	0 hr 40 min	99.52381%	99.60317%	99.47567%	99.59790%
R&E 100G Backbone: I2-SALT-SEAT-VLAN-09186	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71711%	99.74890%
R&E 100G Backbone: I2-SALT-SEAT-VLAN-09327	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.71711%	99.74890%
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 100G Backbone: I2-ATLA-WASH-VLAN-09318	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.78921%	99.83443%
Legacy 10G Backbone: I2-ATLA-CHIC-10GE-05419	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.75534%	99.93510%
Legacy 10G Backbone: I2-ATLA-HOUS-10GE-05423	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.57576%	99.63953%
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%	99.99300%	99.99754%
Legacy 10G Backbone: I2-CHIC-CLEV-10GE-08891	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.84484%	99.87114%
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%	99.91599%	99.99981%
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%	99.90028%	99.93850%
Legacy 10G Backbone: I2-HOUS-KANS-10GE-05560	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.47283%	99.55892%
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%	99.91788%	99.99943%
Legacy 10G Backbone: I2-KANS-SALT-10GE-05566	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.76442%	99.87152%
Legacy 10G Backbone: I2-KANS-SALT-LAG-08935	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.83046%	99.87190%
Legacy 10G Backbone: I2-LOSA-PAIX-10GE-05853	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.98940%	99.99981%
Legacy 10G Backbone: I2-LOSA-SALT-10GE-05563	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.91239%	99.93377%
Legacy 10G Backbone: I2-LOSA-SEAT-10GE-05564	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.81532%	99.85846%
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 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-NEWY32AOA-WASH-10GE-07612	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.95875%	99.99943%
Legacy 10G Backbone: I2-SALT-SEAT-10GE-05565	0 hr 0 min	0 hr 0 min	100.00000%	100.00000%	99.74569%	99.74890%

Aggregate All Unified - Internet2 IP Backbone Circuits	63 hr 20 min	0 hr 31 min	99.38199%	99.38703%	99.83903%	99.88776%

Upcoming Scheduled Maintenances

Ticket No.:	7935:144
Subject:	Maintenance - I2 AL2S Participant CEN
Affected:	AL2S Participant CEN
Start Time:	Saturday, April 23, 2016, 4:00 AM (0400) UTC
End Time:	Saturday, April 23, 2016, 2:00 PM (1400) UTC
Description:	The above listed asset will be unavailable while Lightower performs fiber maintenance. Outages are expected. The entire window is reserved.

Ticket No.:	7965:144
Subject:	Maintenance Tracking - I2 Optical Circuit I2-BOST-WGBH-FE-50713
Affected:
Start Time:	Tuesday, April 26, 2016, 4:00 AM (0400) UTC
End Time:	Tuesday, April 26, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Level(3) Communications will implement scheduled maintenance to migrate circuits to new optimum path to improve reliability. The entire window is reserved.

Ticket No.:	7912:144
Subject:	Maintenance 1 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Tuesday, April 26, 2016, 7:00 AM (0700) UTC
End Time:	Tuesday, April 26, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	8079:144
Subject:	Maintenance Tracking - I2 Optical Member ESnet Various Circuits
Affected:	Optical Member ESnet
Start Time:	Tuesday, April 26, 2016, 11:00 PM (2300) UTC
End Time:	Wednesday, April 27, 2016, 2:00 AM (0200) UTC
Description:	The above listed assets are expected to remain available while ESnet Engineers perform a software upgrade. No service impact is expected, however the entire maintenance window is reserved.

Ticket No.:	8094:144
Subject:	Maintenance 1 of 2 - I2 Optical DWDM Systems BALT-WASH & PHIL-WASH
Affected:	DWDM System PHIL-WASH & BALT-WASH AL2S Backbone PHIL-WASH IP Backbones ASHB-NEWY32AOA, ATLA-NEWY32AOA, & NEWY32AOA-WASH Optical Member ESnet Optical Member NOAA N-Wave Optical Member OARnet Optical Member NORDUnet IP Connector MAX GigaPOP
Start Time:	Wednesday, April 27, 2016, 4:00 AM (0400) UTC
End Time:	Wednesday, April 27, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Level(3) Communications relocates cable in Swarthmore, PA. An outage of up to 2 hours is expected. The entire window is reserved. This is maintenance window 1 of 2.

Ticket No.:	7913:144
Subject:	Maintenance 2 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Wednesday, April 27, 2016, 7:00 AM (0700) UTC
End Time:	Wednesday, April 27, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	8078:144
Subject:	Maintenance - I2 Core Node SING
Affected:	IP Core Node SING and its connectors and peers Peer New York University (SING) Peer Duke University (SING) Peer University of Chicago (SING) Peer SINGAREN (SING) Peer TEIN-SG (SING) Peer Internet2 (SING/SEAT) Peer TATA (SING)
Start Time:	Wednesday, April 27, 2016, 4:00 PM (1600) UTC
End Time:	Wednesday, April 27, 2016, 5:00 PM (1700) UTC
Description:	The Singapore Core Node should remain available while Internet2 Engineers perform a maintenance to implement a security configuration change. No impact is expected; however the entire window is reserved.

Ticket No.:	8095:144
Subject:	Maintenance Update - I2 AL2S and IP Core Node ASHB
Affected:	AL2S Core Node AL2S IP Core Node ASHB AL2S Backbones ASHB-CHIC, ASHB-PITT, and ASHB-WASH IP Backbones ASHB-CLEV, ASHB-CHIC, ASHB-ATLA, ASHB-WASH, ASHB-NEWY32AOA, ATLA-CHIC, and CHIC-WASH AL2S Connector Syngenta AL2S Connector USDA AL2S Connector MAX Gigapop AL2S Connector MARIA AL2S Connector NIH AL2S Connector Biogen AL2S Connector Smithsonian Net+ Provider Blackboard Net+ Provider Amazon Net+ Provider Microsoft Net+ Provider BlueJeans
Start Time:	Thursday, April 28, 2016, 4:00 AM (0400) UTC
End Time:	Thursday, April 28, 2016, 8:00 AM (0800) UTC
Description:	*Please Note the Updated Times. Internet2 Engineers will be onsite in Ashburn, VA to perform facility maintenance on the ASHB Core Router and ASHB Core AL2S Switch. Each node will be down for approximately one hour while power upgrades are performed, however the entire maintenance window is reserved. Layer3 traffic and OESS circuits will re-route during the maintenance.

Ticket No.:	8100:144
Subject:	Maintenance 2 of 2 - I2 Optical DWDM Systems BALT-WASH & PHIL-WASH
Affected:	DWDM System PHIL-WASH & BALT-WASH AL2S Backbone PHIL-WASH IP Backbones ASHB-NEWY32AOA, ATLA-NEWY32AOA, & NEWY32AOA-WASH Optical Member ESnet Optical Member NOAA N-Wave Optical Member OARnet Optical Member NORDUnet IP Connector MAX GigaPOP
Start Time:	Thursday, April 28, 2016, 4:00 AM (0400) UTC
End Time:	Thursday, April 28, 2016, 10:00 AM (1000) UTC
Description:	The above listed assets will be unavailable while Level(3) Communications relocates cable in Swarthmore, PA. An outage of up to 2 hours is expected. The entire window is reserved. This is maintenance window 2 of 2, to be used if necessary.

Ticket No.:	7914:144
Subject:	Maintenance 3 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Thursday, April 28, 2016, 7:00 AM (0700) UTC
End Time:	Thursday, April 28, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	7915:144
Subject:	Maintenance 4 of 4 - I2 Various Optical Circuits (Northern Tier)
Affected:	AL2S Backbones MINN-MISS2 & EQCH-MINN Net+ Provider Code42 Participant Northern Lights Gigapop
Start Time:	Friday, April 29, 2016, 7:00 AM (0700) UTC
End Time:	Friday, April 29, 2016, 12:00 PM (1200) UTC
Description:	The above listed assets will be unavailable while Zayo performs a maintenance. An outage is expected. The entire window is reserved. Backbone traffic will re-route during this maintenance. Workgroup administrators will receive notifications regarding circuits rerouted on the backbones. This is maintenance window 1 of 2.

Ticket No.:	8067:144
Subject:	Maintenance - I2 Various Optical Circuits
Affected:	CA*Net/CANARIE Net+ Provider Code42 AL2S BB MINN-MISS2
Start Time:	Saturday, May 7, 2016, 12:00 PM (1200) UTC
End Time:	Saturday, May 7, 2016, 11:00 PM (2300) UTC
Description:	The above listed optical circuits will be unavailable while Zayo Engineers perform circuit maintenance. An outage of 3 hours expected, however the entire maintenance window has been reserved. Workgroup administrators receive notifications from OESS regarding circuits re-routed on the backbone.