15441 Computer Networking

1
15-441 Computer Networking

• Lecture 5 testbeds and simulation

2
Readings

• G.1 On the accuracy of manet simulators. David
  Cavin, Yoav Sasson, and André Schiper, Workshop
  on Principles of Mobile Computing (POMC'02),
  pages 38-43. ACM, October 2002.
• G.4 Using Emulation to Understand and Improve
  Wireless Networks and Applications, Glenn Judd
  and Peter Steenkiste, Proceedings of NSDI 2005
• H.3 "Overview of the ORBIT Radio Grid Testbed
  for Evaluation of Next-Generation Wireless
  Network Protocols," D. Raychaudhuri, I. Seskar,
  M. Ott, S. Ganu, K. Ramachandran, H. Kremo, R.
  Siracusa, H. Liu and M. Singh, To appear at the
  Wireless Communications and Networking Conference
  (WCNC'05) March 2005.

3
Optional

• G.2 Experimental evaluation of wireless
  simulation assumptions. David Kotz and Calvin
  Newport and Robert S. Gray and Jason Liu and
  Yougu Yuan and Chip Elliott. Technical Report
  TR2004-507, Dept. of Computer Science, Dartmouth
  College, June, 2004.
• 7 axioms of different errors that wireless
  simulators make
• 0 The world is flat.
• 1 A radios transmission area is circular.
• 2 All radios have equal range.
• 3 If I can hear you, you can hear me (symmetry).
• 4 If I can hear you at all, I can hear you
  perfectly.
• 5 Signal strength is a simple function of
  distance.
• 6 Each packet is transmitted at the same bit
  rate.
• H.4 Design Considerations for a Multi-hop
  Wireless Network Testbed, Pradipta De, Ashish
  Raniwala, Srikant Sharma, and Tzi-cker Chiueh
• Good overview/summary of different testbeds and
  their properties

4
Optional

• H.1 "A Large-scale Testbed for Reproducible Ad
  hoc Protocol Evaluations", H. Lundgren, D.
  Lundberg, J. Nielsen, E. Nordström, C. Tschudin,
  WCNC 2002.
• APE system relies on careful choreography of
  users
• H.2 Lowering the Barrier to Wireless and Mobile
  Experimentation, Brian White, Jay Lepreau, Shashi
  Guruprasad, ACM HotNets-I, October 2002.
• Emulab converted to wireless
• Nice emulab interface but simulation is specific
  to deployment
• H.3 "Overview of the ORBIT Radio Grid Testbed
  for Evaluation of Next-Generation Wireless
  Network Protocols," D. Raychaudhuri, I. Seskar,
  M. Ott, S. Ganu, K. Ramachandran, H. Kremo, R.
  Siracusa, H. Liu and M. Singh, To appear at the
  Wireless Communications and Networking Conference
  (WCNC'05) March 2005.
• Nice indoor, dense, mesh deployment testbed
• H.5 "Wireless Link SNR Mapping Onto an Indoor
  Testbed," J. Lei, R. Yates, L. Greenstein and H.
  Liu, Submitted to IEEE Tridentcom 2005
• G.3 WhyNet description (focus on hybrid testbed
  methodology), available at http//chenyen.cs.ucla.
  edu/projects/whynet/
• Not much here but one of the well known planned
  testbeds