Update #2: Reminder: The ESPC PDA system will be undergoing planned system maintenance to upgrade Load Balancer components from April 9, 2018 1200Z M-bM-^@M-^S April 11, 2018 1900Z. See details below.

Update #1: The planned maintenance window will begin each day at 1200Z instead of 1400Z. The end time will remain the same at 1900Z.

Topic: PDA Planned Maintenance at ESPC

Date/Time Issued: April 9, 2018 1207Z

Product(s) or Data Impacted: All ESPC products from the Product Distribution and Access (PDA) system

Date/Time of Initial Impact: April 09, 2018 1200Z

Date/Time of Expected End: April 11, 2018 1900Z

Length of Event: 3 days

Details/Specifics of Change: The ESPC PDA system will be undergoing planned system maintenance to upgrade Load Balancer components. Product ingest and distribution may be interrupted for up to 5 minutes as services are transitioned during the 1200Z M-bM-^@M-^S 1900Z maintenance window each day. Users with scripts and/or applications that are sensitive to outages may need to restart their services. The outage(s) should not result in any products being incomplete or lost.

Sequence of events:

Monday AM: Network upgrades

Monday PM: Transition services for internal providers and consumers for the inside zone. Includes JPSS, GOES-R, and ESPC Legacy systems.

Tuesday: Transition services for external pull and push providers and consumers for the DMZ and Staging zones.

Wednesday: Re-enable Decryption and NAT rules on Firewalls for Pull Data Providers and Push Data Consumers

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880.

Web Site(s) for applicable information: N/A

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