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REASON FOR OUTAGE – Inmarsat I4 Network: Asia-Pacific

Yesterday Inmarsat I4 Network on the Asia-Pacific region had an unscheduled network outage. Please find further information below regarding the reason for outage.

On the 8th November at 10:02UTC BGAN and IDP services experienced an outage in the APAC region. The initial investigation identified that the planned ISP maintenance activity of a 3rd party to move traffic to a secondary path failed.

An investigation was immediately initiated to locate and fix the issue. At 10:27UTC the BGAN traffic in the APAC region was moved from Warkworth SAS to Paumalu SAS.

IDP recovery procedures were initiated and successfully completed at 11:16 UTC when full IDP APAC functionality was restored.

An investigation is underway to identify why the traffic failed to move to the secondary path.

Service Affected BGAN and IDP
Ocean Region APAC
Reason Planned Maintenance 3rd party ISP
Traffic Impact BGAN voice and data, IDP data
BGAN Outage Start 8th November 2021 10:02 UTC
BGAN Outage End 8th November 2021 10:26 UTC
BGAN Outage Duration 25 Minutes
IDP Outage Start 8th November 2021 10:02 UTC
IDP Outage End 8th November 2021 11:16 UTC
IDP Outage Duration 1 hour 15 minutes


Abbreviations and their meaning

  • Americas I-4 = Satelite responsible for the region of North- and Southamerica
  • APAC = Asia Pacific
  • BGAN = Broadband Global Area Nework. Inmarsat service for BGAN devices
  • CDR = Call Detail Record
  • EMEA = Satellite responsible for the region of European Middle East Africa
  • FB or FBB = FleetBroadBand. Inmarsat service for FBB devices
  • GSPS = Global Satellite Phone Service. Inmarsat voice service for IsatPhone
  • IRIS = Remote monitoring and control system
  • SB or SBB = SwiftBroadBand. Inmarsat service for SBB devices
  • TBC = To be confirmed
  • UTC = Universal Time