UMassDieselNet Brief Overview

UMass @ Amherst

KU Resilinets Meeting

March 16th, 2007

DTN Testbed

• 40 buses fitted with off-the-shelf hardware

• Sparsely covering approximately 150 square miles

• Uses numerous external third-party APs

• Throwboxes increase connectivity

Routes Traveled

Hardware Onboard Bus

• HaCom Open Brick computer (577Mhz, 256MB Ram)• 802.11b AP• 802.11b usb interface• GPS Device• MaxStream XTend 900Mhz radio

Throwboxes• Completely untethered• Can be hailed by buses• Act as stationary routers

In-Motion Bus Transfers

Generated Traffic Patterns

Perspective Future Features

• Introduce novel bus commuter services– Cached web pages– Risk-like board game

Useful References• MaxProp: Routing for Vehicle-Based DTNs

http://prisms.cs.umass.edu/brian/pubs/burgess.infocom2006.pdf

• Live Bus Tracking - http://transit-dieselnet.admin.umass.edu/

• Short DieselNet summary -http://www.cs.umass.edu/csinfo/announce/pioneering.html