Timing in Mission-Critical Systems

Size: px

Start display at page:

Download "Timing in Mission-Critical Systems"

Nelson O’Brien’
5 years ago
Views:

1 Power Matters. TM Timing in Mission-Critical Systems March

2 Before We Begin Have questions? Type your question into the Q&A box at bottom left or use #GPSWorldWebinar on Twitter. Experiencing technical difficulties? Ask for help via the Q&A box. Want to view this webinar again? An on-demand version will be available tomorrow at gpsworld.com/webinars. Power Matters. TM 2

3 Moderator Alan Cameron, GPS World Group Publisher and Editor-in-Chief Power Matters. TM 3

4 Speakers Scott Williams GL Williams & Associates Paul Skoog Microsemi James L. Wright RGNext Power Matters. TM 4

5 Next-Generation Timing Technologies Paul Skoog Microsemi Power Matters. TM 5

About Microsemi Corporation (Nasdaq: MSCC) Global provider of synchronization and semiconductor solutions - Focused on applications for delivering accuracy, reliability, security and performance

6 About Microsemi Corporation (Nasdaq: MSCC) Global provider of synchronization and semiconductor solutions - Focused on applications for delivering accuracy, reliability, security and performance Corporate headquarters in Aliso Viejo, CA Leading supplier of timing infrastructure 93% of UTC world time contributions * 60%+ worldwide market share in synchronization for commercial communications Preferred next-generation timing provider to major Network Equipment Manufacturers (NEMs) Over 200+ IEEE 1588 networks deployed worldwide Tens of thousands of NTP Network Time Servers sold *Weighted contributions at BIPM: Microsemi Cesiums 87%, MASERs 6% Power Matters. TM 6

7 Time Enables ALL Infrastructures Data Centers Enterprise Communications Power Grid Communications Wireline Communications Secure Communications Seismic Exploration Cellular Communications Financial Exchanges Power Matters. TM 7

8 Mission-Critical Timing Applications Scott Williams GL Williams & Associates Power Matters. TM 8

9 Mission-Critical Timing Markets Financial Government Healthcare Communications Utilities Dedicated physical timing connections & secure NTP server interfaces are imperative! Transportation Industrial & Scientific Space & Defense Power Matters. TM 9

Government & Military Tactical Solving Timing Reliability Requirements Customer challenge: Unreliable dual IRIG-B time sources used for time and frequency

interface Two 10MHz sine waves to drive SatCom modems in the rack Solution needs: Upgraded oscillator Security Redundancy, holdover reliability IRIG-B PRI

10 Government & Military Tactical Solving Timing Reliability Requirements Customer challenge: Unreliable dual IRIG-B time sources used for time and frequency distribution Time reference technical requirements: Max one microsecond loss every 24 hours Solution must be secure Need to monitor performance via SNMP or web interface Two 10MHz sine waves to drive SatCom modems in the rack Solution needs: Upgraded oscillator Security Redundancy, holdover reliability IRIG-B PRI IRIG-B SEC Holdover Oscillator <1usec /24hrs 10MHz sine 10MHz sine IRIG-B out NTP out SatCom Modem SatCom Modem Downstream Devices Ethernet Network Power Matters. TM 10

11 Government & Military Combat Simulator Solving Geographically Distributed Requirement for Exact, Precise Time Customer challenge: Combat simulator where time needs to match between three sites Technical requirements: IRIG-B must be distributed to multiple locations (at least 12x) Fly wheeling time reference must be more stable than any of the other downstream oscillators (OCXO-based) Web interface to change simulator time Ability to monitor performance via SNMP or web interface Arbitrary reference frequency for data acquisition system in the same rack Solution needs: Geographically distributed time, e.g. GPS Rubidium oscillator GPS Antenna Holdover Oscillator Rubidium 12x Downstream Devices w/ OCXO s 12x IRIG-B out Arbitrary frequency Data Acquisition Equipment Power Matters. TM 11

Network Time Synchronization Solving Data Center Synchronization Challenges Customer challenge: Synchronization of 50K Windows-based client computers across data center infrastructure (four data

12 Network Time Synchronization Solving Data Center Synchronization Challenges Customer challenge: Synchronization of 50K Windows-based client computers across data center infrastructure (four data centers on two continents) Technical requirements: High-security clocks at each of the four data centers Authentication between NTP servers and clients Traceability and auditing capabilities Ability to use the four NTP servers as peers/backup in event of failover Max 1 millisecond drift per 24 hours Ability to use GPS satellites for now, with upgradeability to use GNSS satellites in the future Solution needs: GPS-referenced time servers Windows time client synchronization software GPS Antenna Holdover Oscillator NTP out Network Power Matters. TM 12

High-Frequency Trading (HFT) Solving Accuracy, Reliability Issues Customer challenge: Extremely precise synchronization machine-to-machine (M2M), geographic distribution of time

RADIUS password authentication 500-ft distance between roof to equipment cage in the data center Shared GPS antenna Solution needs Absolute sense of time M2M and geographically

13 High-Frequency Trading (HFT) Solving Accuracy, Reliability Issues Customer challenge: Extremely precise synchronization machine-to-machine (M2M), geographic distribution of time Time reference technical requirements Dual accurate clocks with minimum two Gigabit Ethernet ports that each serve NTP and PTP Six 1pps outputs to drive latency monitoring probes RADIUS password authentication 500-ft distance between roof to equipment cage in the data center Shared GPS antenna Solution needs Absolute sense of time M2M and geographically distributed capabilities GPS Antenna 500ft 1 : 2 Holdover Oscillator 6x 1pps out NTP/PTP out GPS Antenna Holdover 6x 1pps out Oscillator NTP/PTP out Network Trading Platform Power Matters. TM 13

14 Government Test Range Timing James L. Wright RGNext Power Matters. TM 14

15 Range Operations Perspective Launch, testing, and tracking DoD, civil, and commercial spacelift vehicles Launch ballistic missiles and guided weapons Conduct aeronautical tests and evaluations Multiple tracking stations Major subsystems - Range safety - Telemetry - Radar - Communications - Optics - Weather - Timing & sequencing Western Range Eastern Range Power Matters. TM 15

16 Range Timing Requirements Precise Time & Time Interval (PTTI) Time transfer Required accuracies vary from 1 ms to 0.5 us relative to the DoD MC GPS most prominent time transfer method (DoD) Other methods: TWSTT, portable clocks, and cesiums Time transfer within ranges GPS receivers (i.e. no Time Transfer Distribution) IRIG A/B to remote synchronized time code generators (RF, copper) Various serial IRIG timecodes to internal-facility instrumentation NTP, PTP Other PTTI services Precise frequencies (0.1, 1, 5, & 10 MHz) Decade repetition rates (1 PPS, 10 PPS, etc.) Communications clock rates (75 bps, 2.4 Kbps, Mbps, etc.) Sequencing Systems (i.e. countdown, count up, etc.) Real time knowledge of health, status and time accuracy of all range PTTI systems Power Matters. TM 16

17 Predictions for Future Range PTTI Evolution away from serial time codes to near exclusive use of network time protocols (NTP, PTP) Less required infrastructure and equipment (i.e. less $) Better real time knowledge of health, status and accuracy of PTTI provided (faster detection of and resolution to problems) More robust PTTI systems (i.e. not solely dependent on GPS a single point of failure) Realization that GPS is not 100% reliable - System failure - Jamming - Spoofing Realization that GPS is a weapons system Alternate/redundant systems - TWSTT - Frequency standard base flywheels - eloran - Others?? Power Matters. TM 17

18 Next-Generation Timing Technologies Paul Skoog Microsemi Power Matters. TM 18

19 Summary of Mission-Critical Timing Technology Requirements Time References GPS GNSS IRIG Cesium Time Server Technologies Clock Accuracy Timing Signals Network Timing Critical Signals IRIG 10MHz 1PPS Pulses NTP/PTP Power Matters. TM 19

20 Next-Gen Technologies Now Available Solving Your Accuracy, Reliability, Flexibility and Security Imperatives NEW! SyncServer S600 NEW! SyncServer S650 Power Matters.TM 20

S650 Clock Technology Extremely High Accuracy, Holdover Are

GPS 24 hour holdover accuracy Standard OCXO Rubidium 400

Multiple temperature sensors, variable speed fans, thermal

21 S650 Clock Technology Extremely High Accuracy, Holdover Are Essential Hardware clock (1PPS) <15 ns RMS to UTC while tracking GPS 24 hour holdover accuracy Standard OCXO Rubidium 400 microseconds 25 microseconds (16x better than standard) <1 microsecond (<3 us at 3 days) Precise & Accurate Active thermal compensation technology Multiple temperature sensors, variable speed fans, thermal isolation and clock modeling/ control techniques GLONASS/SBAS Ready (future software upgrade) Time Offset, ns to UTC Time, hours Power Matters. TM 21

22 SyncServer S650 Modularity Modular Chassis to Accommodate Different Application Requirements Front S650 Rear, No Modules Installed S650 Rear, 2 modules Installed Timing I/O Modules Power Matters. TM 22

S650 Timing Signal Technology Timing I/O Module Provides Mission-Critical Timing I/O Signals Two option module slots Timing I/O module 2 input BNCs

23 S650 Timing Signal Technology Timing I/O Module Provides Mission-Critical Timing I/O Signals Two option module slots Timing I/O module 2 input BNCs 6 output BNCs Standard signal I/O configuration FlexPort technology (software enabled) Slot A Slot B Optional Timing I/O module Power Matters. TM 23

24 Breakthrough FlexPort TM Technology Any Signal, Any Port Efficiently Uses All Connectors in 1RU Chassis Back Plane Legacy Time Code Hardware Legacy Sine Wave Hardware Legacy Rate Gen. Hardware ----Time Codesà ----Time Codesà ----Time Codesà ~~~~Sine Wavesà ~~~~Sine Wavesà ~~~~Sine Wavesà ----Ratesà ----Ratesà ----Ratesà New Technology Any Signal, Any Port FlexPort Flexible Signal Generation Hardware Time Codesà Sine Wavesà Ratesà Time Codesà Sine Wavesà Ratesà Time Codesà Sine Wavesà Ratesà Power Matters. TM 24

25 Microsemi FlexPort Technology Ultimate Flexibility in Delivering Critical Timing Signals AM T DCL ime C o S Sine Time des C Fixe Waves odes d Pro Rates gram 1PP ma b S le R ates AM T DCL ime C o S Sine Time des C Fixe Waves odes d Pro Rates gram 1PP ma b S le R ates Software selectable signal input & output Web interface controlled Eliminates the need for costly external distribution units Saves time and money Flex Inputs Flex Outputs Power Matters.TM 25

26 FlexPort Technology Deployment Fixed or Flexible Timing I/O, Up to 16 User Configurable Signal I/O Ports Slot A Slot B à BNC Connectors Input Output â Signals J1 J2 J3 J4 J5 J6 J7 J8 Standard FlexPort 1PPS l l off off IRIG B AM l l off off IRIG B DCLS l off off 10 MHz l l off off IRIG B AM/DCLS n n n n n n n Selectable/Programmable Rates n n n n n n n 1/5/10 MHz Sine Wave n n n n n n n l =Fixed specific signal type n =Time Code, Selectable/Programmable Rate or Sine Wave user configurable Power Matters. TM 26

S650 Network Timing Technology Multi-Port NTP Hardware Time Stamping for Optimal NTP Operations Four independent GbE LAN ports All ports equipped with hardware time stamping NTP Operations S650

27 S650 Network Timing Technology Multi-Port NTP Hardware Time Stamping for Optimal NTP Operations Four independent GbE LAN ports All ports equipped with hardware time stamping NTP Operations S650 Standard NTPd S650 NTP Reflector Time Stamps Time Accuracy Server Capacity Software NTPd with hardware assist 5 us to UTC, 15 us 1σ Load independent 10,000 NTP requests per second 100% hardware-based NTP ~15ns RMS to UTC Load independent 120,000 NTP requests per second (1GbE speed) CPU Security Overall packet limiting Port by port packet limiting Denial of service detection and alarming Power Matters. TM 27

28 S650 NTPd Hardware Time Stamping Sustained NTP Accuracy Independent of NTP Packet Request Load N e t w o r k 1. NTP Packet Arrives 2. NTP Packet has been HW Time Stamped (T2) 5. NTP Packet Departs ¹ Hardware Clock 3. HW Time Stamp (T3) for Transmit NTP packet 4. Transmit NTP packet (T2 & T3) 6. NTP Packet mirrored back to Microsemi NTP refclock driver with perfect T3 hardware timestamp. NTPd Software Microsemi refclock driver Actual egress delayed compensated in real-time for Step 4 transmit delays. Patented. Power Matters. TM 28

29 S650 NTP Reflector TM Technology Ultra Accurate, Line Speed NTP Operations With Security-Hardening N e t w o r k Inbound NTP Packets Time-Stamped NTP Packets Non-NTP Traffic 3 Bit Bucket ¹ FPGA NTP Reflector TM CPU Protect CPU from DoS attacks All packets to CPU are bandwidth limited (user set). Notify user of NTP and general network packet load changes Power Matters. TM 29

S650 NTP Operational Effectiveness NTP Clock Accuracy Virtually Immune to NTP Packet Load NTP Operations S650 Standard NTPd S650 NTP Reflector Time Accuracy 5 us to UTC, 15 us 1σ Load independent ~.

30 S650 NTP Operational Effectiveness NTP Clock Accuracy Virtually Immune to NTP Packet Load NTP Operations S650 Standard NTPd S650 NTP Reflector Time Accuracy 5 us to UTC, 15 us 1σ Load independent ~.015 us RMS to UTC Load independent Server Capacity 10,000 NTP requests/second 120,000 NTP requests/second Background: Common software based NTP time stamping accuracy degrades as NTP server packet processing load increases. (Internal asymmetric delays due to increased CPU load results in clock accuracy degradation). Power Matters. TM 30

31 Key Takeaways Power Matters. TM 31

high accuracy & excellent holdover Timing signals - Innovative FlexPort technology Network Timing - NTP hardware time stamping -

32 Session Key Points Gov/Mil/Aero/Enterprise/Trading applications have exacting and diverse timing requirements Microsemi merges the best of timing and networking technology in a single chassis to meet the most demanding application needs Clock accuracy - Extremely high accuracy & excellent holdover Timing signals - Innovative FlexPort technology Network Timing - NTP hardware time stamping - Security-hardened NTP reflector Best in class time server / GPS instrument! SyncServer S650 Security Accuracy Flexibility Power Matters. TM 32

Questions? Paul Skoog paul.skoog@microsemi.

Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time

33 Questions? Paul Skoog Microsemi Corporation (MSCC) offers a comprehensive portfolio of semiconductor and system solutions for communications, defense & security, aerospace and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world s standard for time; voice processing devices; RF solutions; discrete components; security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, Calif., and has approximately 3,600 employees globally. Learn more at Microsemi Corporate Headquarters One Enterprise, Aliso Viejo, CA USA Within the USA: +1 (800) Outside the USA: +1 (949) Sales: +1 (949) Fax: +1 (949) sales.support@microsemi.com Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction with mission-critical equipment or applications. Any performance specifications are believed to be reliable but are not verified, and Buyer must conduct and complete all performance and other testing of the products, alone and together with, or installed in, any end-products. Buyer shall not rely on any data and performance specifications or parameters provided by Microsemi. It is the Buyer s responsibility to independently determine suitability of any products and to test and verify the same. The information provided by Microsemi hereunder is provided as is, where is and with all faults, and the entire risk associated with such information is entirely with the Buyer. Microsemi does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other IP rights, whether with regard to such information itself or anything described by such information. Information provided in this document is proprietary to Microsemi, and Microsemi reserves the right to make any changes to the information in this document or to any products and services at any time without notice Microsemi Corporation. All rights reserved. Microsemi and the Microsemi logo are registered trademarks of Microsemi Corporation. All other trademarks and service marks are the property of their respective owners. Power Matters. TM 33

Quantum SA.45s CSAC Chip Scale Atomic Clock

Quantum SA.45s CSAC Chip Scale Atomic Clock Microsemi invented portable atomic timekeeping with QUANTUM TM, the world s first family of miniature and chip scale atomic clocks. Choose QUANTUM TM class for