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SP99 Reference Architecture

SP99 Reference Architecture. Enterprise. Laptop computer. Workstation. Mainframe. Server. Server. Network Interface. Network Interface. Network Interface. Network Interface. Local HMI. Local HMI. Local HMI. Local HMI. Communications Processor. Communications Processor. RTU or PLC.

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SP99 Reference Architecture

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  1. SP99 Reference Architecture

  2. Enterprise Laptop computer Workstation Mainframe Server Server Network Interface Network Interface Network Interface Network Interface Local HMI Local HMI Local HMI Local HMI Communications Processor Communications Processor RTU or PLC RTU or PLC RTU or PLC RTU or PLC Control Center Backup Control Center I/O I/O I/O I/O App Server SCADA Server SCADA Server App Server SCADA Server SCADA Server Firewall Serial or IP SCADA Network WAN Public/Private Telephone Network Radio/Microwave/Cellular Network Satellite Network Remote Site A Remote Site B Remote Site X Remote Site Y SP99 SCADA Reference Architecture

  3. Enterprise Zone Laptop computer Workstation Mainframe Server Server Network Interface Network Interface Network Interface Network Interface Local HMI Local HMI Local HMI Local HMI Communications Processor Communications Processor RTU or PLC RTU or PLC RTU or PLC RTU or PLC Control Center Backup Control Center I/O I/O I/O I/O App Server SCADA Server SCADA Server App Server SCADA Server SCADA Server SCADA System Zone Firewall Serial or IP SCADA Network WAN Public/Private Telephone Network Radio/Microwave/Cellular Network Satellite Network Site A Control Zone Site B Control Zone Site X Control Zone Site Y Control Zone SP99 SCADA Zone Example

  4. Enterprise Zone Laptop computer Workstation Mainframe Server Server Network Interface Network Interface Network Interface Network Interface Local HMI Local HMI Local HMI Local HMI Communications Processor Communications Processor RTU or PLC RTU or PLC RTU or PLC RTU or PLC Primary Control Center Zone Backup Control Center Zone I/O I/O I/O I/O App Server SCADA Server SCADA Server App Server SCADA Server SCADA Server Firewall Serial or IP SCADA Network WAN Public/Private Telephone Network Radio/Microwave/Cellular Network Satellite Network Site A Control Zone Site B Control Zone Site X Control Zone Site Y Control Zone SP99 SCADA Conduit Example

  5. Enterprise Zone Laptop computer Workstation Mainframe Server Server Network Interface Network Interface Network Interface Network Interface Local HMI Local HMI Local HMI Local HMI Communications Processor Communications Processor RTU or PLC RTU or PLC RTU or PLC RTU or PLC Primary Control Center Zone Backup Control Center Zone I/O I/O I/O I/O App Server SCADA Server SCADA Server App Server SCADA Server SCADA Server Firewall Serial or IP SCADA Network WAN Site A Conduit Public/Private Telephone Network Radio/Microwave/Cellular Network Satellite Network Site A Control Zone Site B Control Zone Site X Control Zone Site Y Control Zone SP99 SCADA Conduit Example

  6. SCADA Network Examples

  7. GAO Critical Infrastructure Protection Report Model

  8. NIST 800-82 General SCADA Layout

  9. NIST 800-82 SCADA Example

  10. NIST 800-82 Basic SCADA Communication Topology

  11. NIST 800-82 Large SCADA Communication Topology

  12. NIST 800-82 DCS Example

  13. API 1164 Pipeline SCADA System

  14. API 1164 DMZ Isolation

  15. API 1164 Firewall Isolation

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