Unified - Internet2 Advanced Layer 2 Service Network Operations Report
12/07/2015 - 12/13/2015

Unified - Internet2 Advanced Layer 2 Service Network Operations Center
at Indiana University

New Connections

None


Upgrades

None

New Network Resources

None



Unscheduled Outages Summary







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

End Time (UTC)





65654-Normal
1-Critical

Brief Outage Resolved - I2 Optical DWDM System ATLA-CHAR
PowerVendor
12/07/2015 4:02 PM
12/07/2015 4:07 PM


65944-Normal
2-High

Brief Outage Resolved - I2 AL2S Backbone MINN-MISS2
Human ErrorVendor
12/09/2015 9:32 AM
12/09/2015 9:51 AM


66211-Critical
1-Critical

Outage Resolved - I2 Optical DWDM System MEMP-NASH
Unannounced MaintenanceVendor
12/11/2015 12:00 PM
12/11/2015 1:37 PM


66354-Normal
1-Critical

Brief Outage Resolved - I2 Optical DWDM System ASHB-PITT
Unannounced MaintenanceVendor
12/12/2015 1:09 PM
12/12/2015 1:15 PM






Unscheduled Outages Detail






Ticket No.:6565:144



Subject:Brief Outage Resolved - I2 Optical DWDM System ATLA-CHAR



Source Of Impact:Vendor



Affected:DWDM System ATLA-CHAR
AL2S Backbones ATLA-WASH & ATLA-CHAR
IP Backbone ATLA-WASH
I2 Optical Member NOAA N-Wave
I2 Optical Member MCNC
I2 Optical Member ESnet



Start Time:Monday, December 7, 2015, 4:02 PM (1602) UTC



End Time:Monday, December 7, 2015, 4:07 PM (1607) UTC


Description:The above listed assets are currently available to the community after a brief
outage. Level (3) Communications Engineers determined that the outage was 
caused by power disruption. Power has been restored and no further outages are 
expected.







Ticket No.:6594:144



Subject:Brief Outage Resolved - I2 AL2S Backbone MINN-MISS2



Source Of Impact:Vendor



Affected:AL2S Backbone MINN-MISS2
Net+ Provider Code42



Start Time:Wednesday, December 9, 2015, 9:32 AM (0932) UTC



End Time:Wednesday, December 9, 2015, 9:51 AM (0951) UTC


Description:The above listed asset is now available. Zayo engineers were contacted and
determined that the reason for the outage was human error, fiber bump
by the vendor in Laurel, MT. No further outages are expected.







Ticket No.:6621:144



Subject:Outage Resolved - I2 Optical DWDM System MEMP-NASH



Source Of Impact:Vendor



Affected:DWDM System MEMP-NASH
AL2S Backbone ATLA-JCSN
Optical Member ESnet
Optical Member NOAA N-Wave
Optical Member MissiON



Start Time:Friday, December 11, 2015, 12:00 PM (1200) UTC



End Time:Friday, December 11, 2015, 1:37 PM (1337) UTC


Description:The above listed assets and entities are available. Level(3)
engineers have completed processing extended maintenance to repair damaged 
cable in Brentwood,TN. No further outages are expected.

*Workgroup administrators receive notifications from OESS
regarding circuits re-routed on the backbone.

*Backbone traffic will re-route around the impacted assets.







Ticket No.:6635:144



Subject:Brief Outage Resolved - I2 Optical DWDM System ASHB-PITT



Source Of Impact:Vendor



Affected:DWDM System ASHB-PITT
AL2S Backbones ASHB-CHIC, ASHB-PITT, and CLEV-WASH
IP Backbones ATLA-CLEV, CHIC-WASH, and CLEV-WASH
Connector 3ROX (ASHB)
Customer NORDUnet



Start Time:Saturday, December 12, 2015, 1:09 PM (1309) UTC



End Time:Saturday, December 12, 2015, 1:15 PM (1315) UTC


Description:The above listed assets are currently available to the community after a brief outage. 
Level (3) Communications Engineers have reported this was due to a fiber disturbance 
on a maintenance site, outside the scheduled maintenance window.







Scheduled Maintenances Summary





Ticket Number
Customer Impact
Network Impact
Title

Maintenance Type
Source Of Impact
Start Time (UTC)
End Time (UTC)





6303
3-Elevated
3-Elevated

Maintenance 3 of 3 Completed - I2 AL2S Backbone MINN-MISS2
Circuit
Vendor12/08/2015 6:35 AM
12/08/2015 8:34 AM


6507
3-Elevated
1-Critical

Maintenance 2 of 2 Completed - I2 Optical DWDM System MEMP-NASH
CircuitVendor
12/11/2015 6:04 AM
12/11/2015 12:00 PM


6540
3-Elevated
1-Critical

Maintenance Completed 1 of 2 - I2 Optical DWDM System ASHB-PITT
Circuit
Vendor12/12/2015 9:42 AM
12/12/2015 10:05 AM




Scheduled Maintenances Detail





Ticket No.:6303:144



Subject:Maintenance 3 of 3 Completed - I2 AL2S Backbone MINN-MISS2



Source Of Impact:Vendor



Affected:AL2S Backbone MINN-MISS2
NET+ Provider Code42 (SEAT)



Start Time:Tuesday, December 8, 2015, 6:35 AM (0635) UTC



End Time:Tuesday, December 8, 2015, 8:34 AM (0834) UTC


Description:   The above listed is now available after Zayo Engineers performed maintenance to
insert new node in Minneapolis, MN. No further outages are expected.
This is maintenance window 3 of 3.



  







Ticket No.:6507:144



Subject:Maintenance 2 of 2 Completed - I2 Optical DWDM System MEMP-NASH



Source Of Impact:Vendor



Affected:DWDM System MEMP-NASH
AL2S Backbone ATLA-JCSN
Optical Member ESnet
Optical Member NOAA N-Wave
Optical Member MissiON



Start Time:Friday, December 11, 2015, 6:04 AM (0604) UTC



End Time:Friday, December 11, 2015, 12:00 PM (1200) UTC


Description:   The above listed assets remain unavailable.  Level(3) engineers are
still in process on the maintenance to repair damaged cable in
Brentwood,TN.. This maintenance window has expired. The event will be
tracked further via an outage ticket, 6612:144.



  







Ticket No.:6540:144



Subject:Maintenance Completed 1 of 2 - I2 Optical DWDM System ASHB-PITT



Source Of Impact:Vendor



Affected:DWDM System ASHB-PITT
AL2S Backbones ASHB-CHIC, and ASHB-PITT
IP Backbones ATLA-CLEV, CHIC-WASH, and CLEV-WASH
Connector 3ROX (ASHB)
Customer NORDUnet



Start Time:Saturday, December 12, 2015, 9:42 AM (0942) UTC



End Time:Saturday, December 12, 2015, 10:05 AM (1005) UTC


Description:   The above listed assets was unavailable while Level(3)
Communications performed a fiber maintenance  in  Frostburg, MD.   This 
window of the maintenance has been completed.



  










Downtime and Availability







Unified - Internet2 Advanced Layer 2 Service Core NodesDown TimeReporting Period Availability52 Week Availability


sdn-sw.albu.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 100.00000%  100.00000%
sdn-sw.alba.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99260%  99.99545%
sdn-sw.ashb.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.97875%  99.97875%
sdn-sw.atla.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98805%  99.98843%
sdn-sw.bato.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.bost.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.char.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.chic.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99032%  99.99545%
sdn-sw.clev.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99412%  99.99545%
sdn-sw.colu4.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99393%  99.99545%
sdn-sw.dall.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.denv.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.elpa.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.eqch.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99393%  99.99545%
sdn-sw.houh.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98501%  99.99545%
sdn-sw.jack.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.jcsn.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.kans.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98900%  99.99545%
sdn-sw.losa.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99526%  99.99545%
sdn-sw.minn.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.miss2.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.newy32aoa.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.phil.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.phoe.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99374%  99.99393%
sdn-sw.pitt.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.port.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.rale.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99146%  99.99393%
sdn-sw.salt.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99545%  99.99545%
sdn-sw.seat.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.98900%  99.99393%
sdn-sw.star.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.97154%  99.99469%
sdn-sw.sunn.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.96243%  99.99545%
sdn-sw.tuls.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99317%  99.99545%
sdn-sw.wash.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99222%  99.99545%
sdn-srv2.chic.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99981%  100.00000%
sdn-srv3.chic.net.internet2.edu 0 hr 0 min0 hr 0 min 100.00000%100.00000% 99.99981%  100.00000%
      
Aggregate Unified - Internet2 Advanced Layer 2 Service Core Nodes0 hr 0 min0 hr 0 min100.00000%100.00000%99.99217%99.99501%

 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 Advanced Layer 2 Service Backbone CircuitsDown Time
Reporting Period Availability52 Week Availability


I2-ALBA-BOST-100GE-09210
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99602%100.00000%
I2-ALBA-CLEV-100GE-07735
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99260%100.00000%
I2-ASHB-CHIC-100GE-11803
               0 hr 29 min0 hr 6 min
               99.71230%99.94048%
               99.86358%99.92866%
I2-ASHB-PITT-100GE-07737
               0 hr 29 min0 hr 6 min
               99.71230%99.94048%
               99.94346%99.94820%
I2-ASHB-WASH-100GE-09106
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.92524%99.92790%
I2-ASHB-WASH-100GE-11823
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.91272%99.95579%
I2-ATLA-CHAR-100GE-07739
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-ATLA-CINC-100GE-07740
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.96357%99.99981%
I2-ATLA-HOUH-10GE-07742
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-ATLA-JACK-100GE-07739
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.96452%99.99621%
I2-ATLA-JCSN-100GE-10734
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-ATLA-JCSN-100GE-10784
               7 hr 32 min1 hr 36 min
               95.51587%99.04762%
               99.72014%99.84555%
I2-ATLA-CHAR-100GE-07738
               0 hr 5 min0 hr 5 min
               99.95040%99.95040%
               99.96718%99.99886%
I2-ATLA-WASH-100GE-54536
               0 hr 5 min0 hr 5 min
               99.95040%99.95040%
               99.99867%99.99905%
I2-BATO-HOUH-100GE-08860
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.98824%100.00000%
I2-BATO-JACK-100GE-11005
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.76662%99.83720%
I2-BOST-HART2-100GE-09211
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.93777%99.94763%
I2-CHAR-RALE-100GE-10633
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.87819%99.88065%
I2-CHIC-INDI-100GE-50993
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.92733%99.93245%
I2-CINC-INDI-100GE-51692
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.97173%99.99962%
I2-CINC-LOUI-100GE-54197
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99981%99.99981%
I2-CHIC-COLU4-100GE-11554
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.90418%99.97420%
I2-CHIC-KANS-100GE-07745
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.95238%99.99886%
I2-CHIC-STAR-100GE-07743
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.97021%99.99924%
I2-CLEV-EQCH-100GE-07736
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.97078%99.98084%
I2-CLEV-NEWY32AOA-100GE-07735
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-CLEV-PITT-100GE-10334
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99564%100.00000%
I2-CLEV-STAR-100GE-07736
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-COLU4-KANS-100GE-11548
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.97647%99.99810%
I2-DALL-HOUH-100GE-07751
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.75619%99.83512%
I2-DALL-TULS-100GE-11300
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.80191%99.83739%
I2-DENV-ELPA-100GE-07748
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99146%99.99867%
I2-DENV-KANS-100GE-07746
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.98349%99.99962%
I2-DENV-SALT-100GE-07747
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.93511%99.98065%
I2-ELPA-HOUH-100GE-07749
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.65449%99.71160%
I2-ELPA-PHOE-100GE-07750
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-ELPA-TUCS-100GE-07750
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99905%99.99905%
I2-EQCH-STAR-100GE-09299
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.93435%99.99924%
I2-EQCH-MINN-100GE-12184
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.69737%99.72393%
I2-HART2-NEWY32AOA-100GE-12947
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.89735%99.89963%
I2-HOUH-HOUS-100GE-09379
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.77174%99.80571%
I2-HOUH-JCSN-100GE-10783
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.95067%99.98292%
I2-HOUH-TULS-100GE-07751
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               100.00000%100.00000%
I2-KANS-MINN-100GE-12675
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.97951%99.98235%
I2-KANS-TULS-100GE-07753
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.93739%99.94972%
I2-LASV-LOSA-100GE-53802
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.90798%99.93359%
I2-LASV-SALT-100GE-07757
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.98596%100.00000%
I2-LOSA-PHOE-100GE-09190
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99791%99.99829%
I2-LOSA-SUNN-100GE-07755
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.96338%99.99981%
I2-MINN-MISS2-100GE-09130
               2 hr 18 min0 hr 19 min
               98.63095%99.81151%
               98.90464%99.17995%
I2-MISS2-SEAT-100GE-13237
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.85200%99.88957%
I2-NEWY23AOA-PHIL-100GE-07759
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.99374%99.99981%
I2-PHIL-WASH-100GE-10867
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.83701%99.90077%
I2-PHOE-TUCS-100GE-11990
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.94687%99.94706%
I2-PORT-SEAT-100GE-08997
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.96224%99.99791%
I2-PORT-SUNN-100GE-10343
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.85219%99.88635%
I2-RALE-WASH-100GE-08888
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.98444%99.99791%
I2-SALT-SEAT-100GE-08998
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.74139%99.74632%
I2-RENO-SALT-100GE-53725
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.98387%100.00000%
I2-RENO-SUNN-100GE-07766
               0 hr 0 min0 hr 0 min
               100.00000%100.00000%
               99.69433%99.74556%
      
Aggregate All Unified - Internet2 Advanced Layer 2 Service Backbone Circuits
                   10 hr 58 min8 hr 41 min
                   99.89120%99.97735%
                   99.90642%99.93462%


 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.  

Upcoming Scheduled Maintenances





Ticket No.:6738:144



Subject:Maintenance - I2 AL2S Various Circuits (DALL3)



Affected:Connector LEARN



Start Time:Monday, December 28, 2015, 10:00 AM (1000) UTC



End Time:Monday, December 28, 2015, 12:00 PM (1200) UTC



Description:   The above listed will be unavailable while Internet2 Engineers re-groom various
customers utilizing Internet2 Core Router DALL3. An outage of 30 minutes is
expected, however the entire maintenance window has been reserved.



  







Ticket No.:6735:144



Subject:Maintenance - I2 Optical Member ESnet



Affected:



Start Time:Tuesday, December 29, 2015, 4:00 PM (1600) UTC



End Time:Tuesday, December 29, 2015, 8:00 PM (2000) UTC



Description:   Member ESnet's Optical circuit ESNET-LBNL-SUNN-100GE-07835 will be unavailable
while their engineers perform maintenance. An
outage is expected. The entire maintenance window has been
reserved.



  







Ticket No.:6753:144



Subject:Maintenance - I2 Optical Various Circuits (DALL)



Affected:



Start Time:Wednesday, December 30, 2015, 10:00 AM (1000) UTC



End Time:Wednesday, December 30, 2015, 12:00 PM (1200) UTC



Description:   The above listed assets will be unavailable while Internet2 Engineers perform a 
maintenance to re-groom various customers that are utilizing Internet2 TR-CPS 
Router at DALL3. An outage of up to 30 minutes is expected; however the entire 
window is reserved.



  







Ticket No.:6657:144



Subject:Maintenance - I2 Optical DWDMs CLEV-DETR, DETR-EQCH DWDM



Affected:DWDM System CLEV-DETR
DWDM System DETR-EQCH
AL2S Backbones(s) ASHB-CHIC and CLEV-EQCH
IP Backbone CHIC-CLEV, CHIC-NEWY, and CHIC-WASH
Customer NORDUnet
Customer Merit Network
Optical Member ESnet
Optical Member NOAA N-Wave



Start Time:Thursday, January 7, 2016, 6:00 AM (0600) UTC



End Time:Thursday, January 7, 2016, 11:00 AM (1100) UTC



Description:   The above listed assets will be unavailable while Internet2 Engineers
move the optical node in Detroit to a new rack location. Outages are expected. 
The entire window is reserved.



  







Ticket No.:6648:144



Subject:Maintenance 1 of 2 - I2 Optical DWDM System ASHB-PITT



Affected:DWDM System ASHB-PITT
AL2S Backbone(s) ASHB-PITT and ASHB-CHIC
IP Backbone(s) ATLA-CLEV, CHIC-WASH, CLEV-WASH
Connector 3ROX (ASHB)
Customer NORDUnet
Optical Member ESnet 
Optical Member NOAA N-Wave



Start Time:Saturday, January 9, 2016, 5:00 AM (0500) UTC



End Time:Saturday, January 9, 2016, 11:00 AM (1100) UTC



Description:   The above listed assets will be unavailable while Level(3)
Communications perform maintenance to relocate cable  in Hancock, MD. An
outage of 6 hours is expected; however, the entire window is reserved.



  







Ticket No.:6650:144



Subject:Maintenance 2 of 2 - I2 Optical DWDM System ASHB-PITT



Affected:DWDM System ASHB-PITT
AL2S Backbone(s) ASHB-PITT and ASHB-CHIC
IP Backbone(s) ATLA-CLEV, CHIC-WASH, CLEV-WASH
Connector 3ROX (ASHB)
Customer NORDUnet
Optical Member ESnet
Optical Member NOAA N-Wave



Start Time:Sunday, January 10, 2016, 5:00 AM (0500) UTC



End Time:Sunday, January 10, 2016, 11:00 AM (1100) UTC



Description:   The above listed assets will be unavailable while Level(3)
Communications perform maintenance to relocate cable  in Hancock, MD. An
outage of 6 hours is expected; however, the entire window is reserved. This is an
alternate maintenance window if needed.



  







Ticket No.:6249:144



Subject:Maintenance - I2 Core Node SING



Affected:Core Node Singapore and its Connectors and Participants



Start Time:Thursday, January 14, 2016, 1:00 AM (0100) UTC



End Time:Friday, January 22, 2016, 1:00 PM (1300) UTC



Description:   The above listed asset is expected to remain available while TATA
performs power maintenance. This power maintenance is set to happen
one feed at a time to avoid unnecessary impact. It is a multi-day event.

No outages are expected. The entire window is reserved.  All
connections to the Core
Node will be affected in the unlikely event of impact by this maintenance.