Simulation and Emulation of Mobile Computing Applications

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Simulation and Emulation of Mobile Computing
Applications

• Jason Liu
• School of Computing and Information Sciences
• Florida International University

Mobile Technology Consortium, Florida Atlantic
University, March 6, 2009
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Simulation Modeling
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Network Simulation Modeling

• Large complex, emergent behaviors.
• Design and evaluate network protocols and
  applications
• Model Internet traffic behavior

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What Do We Want?

• Accuracy capture detailed transactions
• Realism real implementation, live traffic
• Efficiency small overhead
• Scalability large-scale network
  
• Repeatability reproducible results
• Controllability network conditions
• Flexibility scenario design

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Make It Large Parallel Distributed Simulation

• Synchronization and communication strategies
• Partitioning and load balancing techniques
• Scalability issues

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Make It Real Real-Time Network Simulation
Virtual Network

• Must guarantee real-time performance
• Simulation keep up with wall-clock time
• Scalable interaction with real applications

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In Search of Holy Grail
Scalability
Accuracy
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PRIME Solution

• Simulation keep up with wall-clock time
• Run faster parallel simulation
• Run cheaper multi-resolution models
• Interaction with many real applications
• Flexible and scalable emulation infrastructure

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Network Virtualization
SWAN
Motorola designed it
SSFNet
Scalable Simulation Framework
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Runtime System Virtualization
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Wireless GPS Applications
Application Traffic Models
Infrastructure Network Simulation
Mobile Device Emulation
Wireless Communication Simulation Model
Road Traffic Simulation
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Summary

• Simulation, emulation, modeling can be extremely
  useful for prototyping and evaluating new mobile
  applications and systems
• Provide quick validation of ideas
• Study system behavior at larger scales
• What if ?
• Fast turn-around time from research lab to market