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IP-Transition of Public Safety Related Applications Task Force (PSRA-TF) Committee November 12, 2014 Contribution TITLE: RFI Boiler Plate – SCADA Example for Utility and Energy Sector SOURCE: VERIZON ISSUE NUMBER: ABSTRACT This contribution provides a format for further development by the task force in an effort to establish a template that can be used for each of the public safety related applications identified by the task force to solicit input via a Request For Information (RFI). This example uses the SCADA application and the content and questions included in this contribution require further development. PSRA TF RFI Boiler Plate – November 12 Draft Utility and Energy Sector Related Applications General Information Description This sector includes the Gas, Power, Energy, Water, Waste and Oil Refining industries. The applications of interest include wired and wireless telemetry communications hardware providing the communication channels necessary to transport digital data between a control center, data warehouse or enterprise and Remote Terminal Units (RTUs) and Programmable Logic Controllers (PLCs). Examples of applications which collect data from the processes being supervised and controlled include fixed point sensors in remote/isolated locations to determine status or position of valves, switches, or measurement of pressure, flow, voltage or current. Characteristics of Legacy Technology Legacy telemetry using copper-based communications equipment typically provides low speed data capabilities over Digital Data Services (DDS). Other communications methods include devices that transmit tones over DS0 Voice Grade circuits, and contact closure alarms over Metallic circuits. Some devices have their own telemetry capabilities to send digital data to the supervisory system like RTUs, whereas some have separate communications equipment located adjacent to the sensor/control device since they do not provide their own telemetry (e.g., PLCs). Unique requirements include reliability, security, latency, electrical isolation, and ruggedized equipment needs. Purpose and Scope Of special interest is the identification and description of communications solutions for SCADA telemetry which accomplishes the following objectives: replaces communications equipment that employs legacy copper circuits; can be implemented by telecommunications providers seeking to modernize their networks and; are commercially available and in-use today for SCADA telemetry / connectivity applications. The continued migration of legacy copper-based circuits can be enhanced by the availability of new and innovative solutions that will speed the adoption of IP-based technology and contribute to network modernization plans in the long term. Identifying these solutions can assist the industry in delivering highly robust and reliable solutions that meet the requirements of the public safety sector. Application Specific Descriptions The following sections each address an application for which information is requested: Section 1 - Protective Relaying Section 2 - Special Protection Schemes Section 3 - Synchrophasor Data Section 4 - Radio Control and Dispatch Section 5 - Telephone Lines Section 6 - Supervisory Control and Data Acquisition (SCADA) Section 1 - Protective Relaying Section 2 - Special Protection Schemes Section 3 - Synchrophasor Data Section 4 - Radio Control and Dispatch Section 5 - Telephone Lines Section 6 - Supervisory Control and Data Acquisition (SCADA) SCADA Description (Is it OK to use this diagram?) Below is an example of a SCADA telemetry circuit employing legacy technology and traversing multiple telephone company central offices. Affected technologies include Frame Relay and DSO / DS1 circuits used for SCADA telemetry and/or telematics. Copper based DSO analog private line SCADA circuits are largely delivered on a “best effort” basis with no true 21st century SLAs. SCADA Key Performance Indicators (KPI) In general, SCADA solutions require high availability, secure and low latency solutions. Network designs which are 100% private, capable of real-time automatic restoration, and can be switched between primary and alternate Control Center locations are expected. Furthermore, remote real-time network monitoring end-to-end, no access from the public internet, and data encryption to mitigate unauthorized access is necessary. Typical communications performance requirements for DS0-based circuits are shown below. Transmission of SCADA: Bandwidth 19.2 kbps Latency Jitter Reliability Distribution of SCADA: Bandwidth Latency Jitter Reliability 2 seconds N/A 99% 9.6 kbps 5 seconds N/A 95% SCADA RFI Response Format and Content To facilitate the collection and aggregation of solutions, it is requested that the respondent answer the following questions providing the information requested. Respondents are free to provide additional text and/or details (i.e., product brochures, white papers, etc.) in the appendix. Answers to the following questions are expected to provide a profile of the solution and ensure the suggested solutions fall within the scope and criteria expected for the application. Solution Questionnaire (Examples – Sub-team SMEs will craft appropriate questions) Note that respondents should answer all the questions for each of the solutions described. For example, if you are describing three solutions, you would prepare three separate set of answers, each having a different Solution Name. U&E SCADA Q1: What is the Name of this Solution for identification purposes? U&E SCADA Q2: Is the solution being used today to upgrade/replace legacy copper-based communications equipment used for SCADA telemetry circuits? (Yes/No) U&E SCADA Q3: Which of the following legacy copper-based circuits types is this solution designed to replace? (List: Digital Data Service (DDS) o, Voice grade, Metallic, Automatic Ringdown circuit, Other.) U&E SCADA Q4: What type of physical facility does this solution employ? (List: Twisted pair, direct fiber, WDM fiber, COAX cable, wireless, satellite, other). U&E SCADA Q5: What type of carrier technologies can this solution be used with? (List: T1, Carrier Ethernet, frame relay, SONET, 3G, 4G, Other). U&E SCADA Q6: What is the User Network Interface (UNI) for this solution at the SCADA head end and the remote (physical plant) location? (List: …..Other) U&E SCADA Q7: Does equipment typically need to be replaced at the customer location to implement this solution (Yes/No)? U&E SCADA Q8: Does this solution provide TDM circuit emulation services? (Yes/No) U&E SCADA Q9: What type of physical topologies does this solution support? (Point-to-Point, Point-toMultipoint, Mesh, Star, Ring, Other) U&E SCADA Q10: Is connectivity using this solution usually include the use of a network operator (e.g., telephone, cable company) wireline services or leased circuits? (Yes, No) U&E SCADA Q11: Is connectivity using this solution usually include the use of a network operator wireless services or leased circuits (Yes/No)? U&E SCADA Q12: Which standards, practices or certifications does this solution comply with? U&E SCADA Q13: Please provide a diagram showing the architecture with the network and user interfaces, transmission media and the communications equipment required at end-point and intermediate locations. U&E SCADA Q14: Does your solution support diversity or backup or multiple control sites (Yes/No)? U&E SCADA Q15: Please describe the performance, reliability, resiliency and other performance specifications for your solution applicable to the SCADA application detailed above. U&E SCADA Q16: Please identify if your solution has been deployed in any commercial deployments that support the SCADA application detailed above. Nothing Follows