Virtual Prototyping of High-Performance Optical Networks for Advanced Avionics Systems

1. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Virtual Prototyping ofHigh-Performance Optical Networks for Advanced Avionics Systems Dr. Alan D. George Ian Troxel, Jeong-Hae Han, Nang Dilakanont Jeremy Wills, Todd McCaskey High-performance Computing and Simulation (HCS) Research Laboratory Department of Electrical and Computer Engineering University of Florida

2. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Outline Introduction Tool Evaluations MLDesigner Overview Preliminary Modeling Potential Applications Conclusions

3. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Introduction Optical Networks for Advanced Avionics Systems Driving force: key applications for future avionics systems (cockpit, cabin) Pushing performance and reliability requirements to ever-increasing levels Integrated networking infrastructure Higher bandwidth, deterministic performance, fault tolerance, lower cost Solutions will come from new and emerging technologies in high-speed optical networks e.g. WDM, 10 Gigabit Ethernet, etc.

4. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Introduction Optical networking technologies rapidly progressing, complex Optimal means to select, adapt, combine, and deploy for advanced avionics systems at lowest cost is difficult to ascertain or anticipate Research required to investigate strengths, weaknesses, and tradeoffs Complexity limits usefulness of analytical methods Cost and time constraints limit usefulness of experiment methods For both existing and especially emerging concepts and technologies Primary approach will be computer-based simulation Supported by selected analytical and experimental methods Our project focuses on development and exploitation of such tools Rapid virtual prototyping of high-performance optical networks Networks as integral part of advanced avionics systems

5. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Introduction Four phases of FY03 project Evaluation of simulation tools (completed) Construction of component models (underway) Construction of system models (future) Simulation experiments and analysis (future)

6. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Introduction Team Modeling Experience Network modeling SCI and SCI/RT networks (BONeS, UltraSAN) Myrinet network (BONeS) Fibre Channel network (BONeS) Architecture and systems modeling RISC (BONeS, MLDesigner) CMP (C, extended SimpleScalar) SMP (BONeS) Reconfigurable network processor (BONeS) HWIL and SWIL simulation (BONeS) New efforts underway Optical avionics networks (MLDesigner) � our primary focus FPGA-based RC architectures and systems (MLDesigner) End-to-end performance modeling for data grids (MLDesigner) Dependability modeling for mission assurance (MLDesigner)

7. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO

8. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Tool Evaluations Initial Goals for Optical Networking Tool Model networking issues (data link, network layers, etc.) while maintaining a realistic representation of optical physical layer Desire for library of pre-built models Stability and maturity Responsive technical support Reasonable cost

9. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Tool Evaluations Divergent Roads Networking tools Protocols and topology focus Typically open source Physical layer abstracted Optical tools Optics focus Typically expensive No networking protocols Others Various strengths and weaknesses

10. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Tool Evaluations

11. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Tool Evaluations MLDesigner selected as best all-around tool Flexible Models fully extendible and user-definable Supports different modeling domains with high fidelity HCS lab is currently building an optical networking library Industry acceptance and technology support Aerospace Corp, Agere, Apple, Astrium, Ericsson, ifEN (Germany), Infineon, KPN (Netherlands), Lockheed Martin, Motorola, Philips Research, Rockwell Collins, Siemens, etc. Cost effective $7-9K annual corporate license (per seat) Free for academic institutions Knowledge base Builds upon BONeS (previous lab experience)

12. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO MLDesigner is an integrated platform for modeling and analyzing the architecture, functionality and performance of system designs. Multi-domain simulator for design and analysis of a broad range of applications. Interfacing to SatLab and MATLAB/Simulink extends MLDesigner capabilities. A system model is constructed through the graphical editor or the PTcl command language. MLDesigner employs a hierarchical block-level design. BONeS and COSSAP models can be imported. MLDesigner Overview

13. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO MLDesigner Overview

14. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Graphical editor, including parameter and DS editor. PTcl command environment to define complex system that is difficult to define graphically. Multi-domain simulators including debugging animators. Module functionality can be specified by hierarchical block diagram, finite state machine, user primitive (C/C++), or PTcl module definition. Simulation results can be viewed through animation during simulation and/or by post-processing graphical plots. MLDesigner Overview

15. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling Current Modeling Status Component modeling began on 1/10/03 Optical data structures defined Many internal components built and verified Building blocks for modules (e.g. power loss, BER injection, etc.) Several modules built and verified Laser, Tunable Receiver, Transmitter, Fiber, Power Amplifier, 1x2 Splitter, 2x1 Coupler Others in progress MUX, DEMUX, OADM, Star Coupler Small WDM system model built with 3 simple tests performed

16. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

17. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

18. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

19. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

20. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

21. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

22. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

23. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

24. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling Delay Test Setup Two Sources Source One Wavelength = 1530 nm Data values step by 1 from 0 Output power level at �7 dBm Source Two Wavelength = 1560 nm Data values step by 1 from 10 Output power level at �7 dBm Optical Fibers Length = 40 Km Power loss per Km = .25dB/Km Delay per Km = 3.3 us/Km (velocity = c) Power Amplifiers Power gain = 10 dB

25. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling Delay Test Results Packets for each source / receiver pair are delayed by appropriate amount

26. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling Power Threshold Test Setup Two Sources Source One Wavelength = 1530 nm Data values step by 1 from 0 Output power level varies from -7 dBm to �17 dBm and back in steps of 1 dBm Source Two Wavelength = 1560 nm Data values step by 1 from 10 Output power level varies from -7 dBm to �17 dBm and back in steps of 1 dBm Optical Fibers Length = 35 Km Power loss per Km = .25dB/Km Delay per Km = 3.3 us/Km (velocity = c) Power Amplifiers Power gain = 10 dB

27. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

28. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling Wavelength Select Test Setup Two Sources Source One Wavelength = 1530 nm Data values step by 1 from 0 Output power level at �7 dBm Source Two Wavelength = 1560 nm Data values step by 1 from 10 Output power level at �7 dBm Optical Fibers Length = 40 Km Power loss per Km = .25dB/Km Delay per Km = 3.3 us/Km (velocity = c) Power Amplifiers Power gain = 10 dB

29. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preliminary Modeling

30. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Preview of Future Modules 4x1 MUX, 1x4 DMUX OADM Tunable Laser Star Coupler Encoder/Decoder Serializer/Deserializer Optical Switch Selected L2 Protocols More to come Preliminary Modeling

31. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Potential Applications Flexible tool amenable to broad range of applications Networks, architectures, protocols, services, traffic, topologies Investigate tradeoffs in advanced networks Functionality, timing, cost Performance, scalability, QoS Fault tolerance, security Study transition paths from current to future Next-generation avionics systems Enabling, emerging technologies Bridging between networks Safety-critical and non-critical networks High-speed and low-speed networks Wired and wireless networks Passive and active networks Networks, interconnects, and backplanes

32. February 11, 2003 Advanced Networking Meeting at Boeing, St. Louis, MO Rapid virtual prototyping of high-speed optical networks Investigate tradeoffs in complex networks and systems Computer simulation Supported by analytical and experimental elements Development and refinement of key tools Commercial simulation tool is basis � MLDesigner New component, subsystem, and system models underway Highly flexible and extensible environment Leverage other activities for model exchange and interoperation e.g. TCP, UDP, IP, 802.11, 802.3 Broad range of applications Primary application is advanced avionics networks Strong potential in many other areas of data and computer communication and computation Conclusions