--- ESnet Service Availability Report for NREL, Apr 2017.

ESnet uptime Apr 2017:      99.968% (Site outages filtered)
ESnet downtime Apr 2017:    000:14:00(h:m:s)

Total uptime Apr 2017:      99.968% (Site outages included)
Site downtime Apr 2017:     000:00:00(h:m:s)

--- Outage Event Summary

Duration         Start Date/Time
000:14:00(h:m:s) Tue Apr 18 17:00:58 2017 (US Pacific)

--- Outage Event Detail

Title:         Star-cr5 ALU firmware upgrade
Date:          Tue Apr 18 17:00:58 2017 (US Pacific)
Duration:      000:14:00(h:m:s)
Type:          Planned
Organization:  ESnet/ESnet
ESnet Ticket:  CHG0030630
Description:
ESnet staff will be upgrading the operating system on the router STAR-CR5. The maintenance should take less than 30 minutes during which there may be brief interruptions of traffic transiting that device, including OSCARs circuits. The whole window is reserved.