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Virtual Prototyping of HighPerformance Optical Networks for Advanced Avionics Systems

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High-performance Computing and Simulation (HCS) Research Laboratory ... MERLiN. Optical-layer. VPI Transmission Maker. OptiSystem. PHOTOSS. LinkSim. OptSim. BONeS ... – PowerPoint PPT presentation

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Title: Virtual Prototyping of HighPerformance Optical Networks for Advanced Avionics Systems


1
Virtual Prototyping of High-Performance Optical
Networks for Advanced Avionics Systems
  • Dr. Alan D. George
  • Ian Troxel, Ramesh Balasubramanian
  • Chris Catoe, Jeremy Wills
  • High-performance Computing and Simulation (HCS)
    Research Laboratory
  • Department of Electrical and Computer Engineering
  • University of Florida

2
Outline
  • Introduction
  • Tool Evaluations
  • MLDesigner Overview
  • Optical Component Modeling
  • Advanced Avionic System Models
  • Switched Aircraft LAN
  • Switchless Pixel Bus
  • Switchless Aircraft LAN
  • Conclusions

3
Introduction
  • Lab Research Areas
  • high-performance computer networks
  • high-performance computer architectures
  • parallel and distributed computing
  • reconfigurable and fault-tolerant computing
  • Lab Research Methods
  • modeling and simulation
  • testbed experimentation
  • software design development
  • hardware design development

4
Introduction
  • Team Modeling Experience
  • Network modeling
  • SCI and SCI/RT net. (BONeS, UltraSAN)
  • Myrinet network (BONeS)
  • Fibre Channel network (BONeS)
  • Architecture and systems modeling
  • RISC (BONeS, MLD)
  • CMP (C, extended SimpleScalar)
  • SMP (BONeS)
  • Reconfigurable network proc. (BONeS)
  • HWIL and SWIL simulation (BONeS)
  • New efforts underway
  • Optical avionics networks (MLDesigner) project
    focus
  • Fast accurate simulator for adv. HPC clusters
    and grids (MLD)
  • Performance dependability sim. for mission
    assurance (MLD)
  • FPGA-based reconfigurable architectures and
    systems (MLD)
  • Educational tool for grad. courses in networks
    systems (MLD)

5
Introduction
Facilities for Simulative and Experimental
Research
  • Cluster-based lab HPC grid
  • Collection of 11 PC clusters
  • 480 Pentium-compatible CPUs
  • Newest Xeon (40) and Opteron (32)
  • 308 networked Linux nodes
  • 102 GB memory, 5.18 TB storage
  • PCI64/66 and PCI-X support
  • Other compute resources
  • ES80 AlphaServer (Marvel)
  • Cluster of Sun workstations
  • Networking testbeds
  • 5.3 Gb/s Scalable Coherent Int.
  • 10 Gb/s InfiniBand (4X)
  • 1 Gb/s Gigabit Ethernet (Fiber/UTP)
  • 10 Gb/s Ethernet (Beta test)
  • 1.28 Gb/s Myrinet, 3.2 Gb/s QsNet
  • 1.25 Gb/s Giganet cLAN

6
Tool Evaluations
  • Initial Goals for Optical Networking Tool
  • Model networking issues (data-link layer, network
    layer, etc.) while also achieving realistic
    representation of optical physical layer
  • Appropriate level of speed vs. fidelity
  • Library of pre-built models
  • Stability and maturity
  • Responsive technical support
  • Ease of use
  • Interoperability
  • Cost-effective

7
Tool Evaluations
  • Divergent Roads
  • Networking tools
  • Protocols and topology focus
  • Typically open source
  • Physical layer abstracted
  • Optical-layer tools
  • Optics focus
  • Typically expensive
  • No networking protocols
  • Others
  • Blank-canvas approach
  • Various strengths and weaknesses

8
Tool Evaluations
  • MLDesigner selected as best all-around tool
  • Flexible
  • Models fully extendible and user-definable
  • Supports different modeling domains with high
    fidelity
  • Wireless, optical, electrical, satellite,
    time-triggered systems unified
  • In 2003, HCS lab built Lib. for Integrated
    Optical Networking (LION)
  • Supports software/hardware in-the-loop simulation
    (Berkeley Sockets)
  • Industry acceptance and technology support
  • Aerospace Corp, Agere, AIRBUS (Germany), Apple,
    Astrium, Ericsson, ifEN (Germany), Infineon, KPN
    (Netherlands), Lockheed Martin, Motorola,
    Philips, Rockwell Collins, Siemens, large US
    semiconductor manufacturer, large US aerospace
    company, etc.
  • gt40 Universities
  • Cost effective
  • 7-9K annual corporate license (per seat) free
    for universities
  • Interoperability with other tools
  • SatLab
  • MATLAB/Simulink

9
Tool Evaluations
Advantages of MLDLION over Networking Tools (ex.
OPNET Modeler)
Key advantage
10
Tool Evaluations
Advantages of MLDLION over Optical-Layer Tools
(ex. VPI Systems)
Key advantage
11
Component Modeling
Optical components easily replicated with
different parameter settings to produce
commercial product models (ex. Genoa GT111
Amplifier)
12
Switched Aircraft LAN
Note Demo after presentation
  • Key features
  • Baseline system
  • Application and traffic study
  • Virtual Links with QoS
  • TCP / IP / Ethernet systems
  • Fiber and copper links
  • Key tradeoffs
  • QoS thresholds and algorithms
  • Latency / Bandwidth
  • Power analysis
  • Cost analysis (baseline cost)

13
Switchless Pixel Bus
Note Demo after presentation
TDM System
  • Key tradeoffs
  • Latency / Bandwidth
  • Optical power budget
  • Electrical power analysis
  • Cost analysis (baseline cost)
  • Key features
  • 4 channels _at_ 2.5Gbps (10Gbps aggregate)
  • Fixed optical components (cheaper)

14
Switchless Pixel Bus
Note Demo after presentation
WDM System
  • Key features
  • 4 channels _at_ 10Gbps (40Gbps aggregate)
  • 4 independent wavelengths (better security)
  • More optical components (increased cost)
  • Key tradeoffs
  • Latency / Bandwidth
  • Optical power budget
  • Electrical power analysis
  • Cost analysis (baseline cost)

TDM system provides cost-effective solution if
bandwidth limitation is sufficient WDM system
provides better bandwidth and security at
increased cost in both and power
15
Switchless Aircraft LAN
Design in progress
Gateway Legend G Gigabit Ethernet FE Fast
Ethernet TT Time Triggered
  • Key features
  • Candidate system
  • Unified bus
  • Switchless
  • Tunable wavelengths
  • Optical switching
  • Increased reliability
  • Supports bandwidth growth
  • Key tradeoffs
  • WDM / TDM
  • Compare to baseline architecture
  • Latency / Bandwidth
  • Power analysis (mostly passive)
  • Cost analysis

Note Similar trade study to be performed upon
models completion
16
Potential Applications
  • Flexible tool amenable to broad range of
    applications
  • Networks, systems, architectures, protocols,
    services, traffic, topologies
  • Investigate tradeoffs in advanced networks
  • Functionality, timing, cost
  • Performance, scalability, QoS
  • Fault tolerance, security
  • Investigate transition paths
  • 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

17
Conclusions
  • Rapid virtual prototyping of high-speed optical
    networks
  • Investigate tradeoffs in complex networks and
    systems
  • Computer-based simulation
  • Supported by analytical and experimental elements
  • Development and refinement of key tools
  • Commercial simulation tool is basis MLDesigner
  • New component and system models built and
    underway
  • Highly flexible and extensible environment
  • Leverage other activities for model exchange and
    interoperation
  • TCP, UDP, IP, 802.11, 802.3, RapidIO, SCI,
    HyperTransport, etc.
  • Broad range of applications
  • Primary application here is advanced avionics
    networks
  • Strong potential in many other areas of data and
    computer communication and computation

18
Backup Slide
A R C H I T E C T U R E
System Design Market Evolution
1985
1990
1995
2000
F U N C T I O N
1st Generation
2nd Generation
3rd Gen.
19
Backup Slide
20
Backup Slide
MLD Architecture
  • Selected Customer Applications
  • MIL wireless communications network
  • MIL satellite systems design, wireless
    communication design
  • Development of next-generation GPS satellite
    system
  • Integrated radar system
  • Design of ADS-B based aircraft traffic management
    system
  • New rapid design flow for computers
  • Mission-level design of unmanned underwater
    vehicle (UUV)
  • Mission, sensor, GC, communication system design
  • Each switched from BONeS, COSSAP, OPNET,
    Matlab/MatrixX, SPW, C/C
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