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IP-Over-USB Gateway. Ben Greenberg Bartosz Mach Adviser: Prof. Vincenzo Liberatore. Case Western Reserve University Dept. of Electrical Engineering and Computer Science April 18, 2005. IP-Over-USB Gateway. Presentation Outline Motivation Specification Plan & Methodology Results

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ip over usb gateway

IP-Over-USB Gateway

Ben Greenberg Bartosz Mach

Adviser: Prof. Vincenzo Liberatore

Case Western Reserve University

Dept. of Electrical Engineering and Computer Science

April 18, 2005

ip over usb gateway2
IP-Over-USB Gateway

Presentation Outline

  • Motivation
  • Specification
  • Plan & Methodology
  • Results
  • Conclusion
  • Recommendations
motivation
Motivation
  • Network small devices where RJ-45 (Ethernet) jack is too big.
  • Most gadgets will already have USB capabilities for data transfer.
  • Prove that USB can be used to implement complex network configurations.
specification
Client

Plug and play device recognition

Minimal user intervention for configuration

Specification

Gateway

  • NAT
  • DHCP
  • Auto-configuration at boot
  • Support multiple clients simultaneously
plans methodology
Plans & Methodology
  • Network traffic over USB
  • Gateway software configuration
  • Automation
results
Results

Functionality

  • Gateway is fully functional.
  • Auto-configuration works correctly.
  • Sacrificed features:
    • Gadget as a client.
    • MAC address collision.
results11
Results

Performance

  • USB 2.0 transfer speeds better than 100BaseT Ethernet.
  • USB 2.0 latency similar to Ethernet on average.
  • USB 1.1 performance was very poor.
  • Results make sense based on rated speed of protocols.
conclusion
Conclusion
  • Project was a success.
  • USB is a feasible networking medium.
  • All necessary drivers ship with the Linux kernel, allowing for easy setup on Linux machines.
  • Drivers are available for other OS’s.
  • Based on a well documented standard.
recommendations
Recommendations
  • More tests needed to determine true performance of IP-over-USB.
  • Create installation scripts to configure desktop as a gateway--total automation.
  • Should test a USB gadget.
  • Can be scaled down to an embedded device.