Simulation Platform for Content Centric Networks Protocols Development Daniel Câmara, Frederic Urbani, Mathieu Lacage, Thierry Turletti, Walid Dabbous (INRIA Sophia Antipolis, France)

1. Experimentation with
CCN
Daniel Camara, Frederic Urbani,
Mathieu Lacage, Thierry Turletti, Walid Dabbous
INRIA, Planète
Sept, 13th 2012
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 1 / 11

2. Idealized Protocol
Evaluation
Analytical
Simulator Testbed
analysis
Large Small
In the
scale scale
wild
field field
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 2 / 11

3. A Development Tool
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 3 / 11

4. A Development Tool
Development of Production Code:
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 3 / 11

5. A Development Tool
Development of Production Code:
Debugging
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 3 / 11

6. A Development Tool
Development of Production Code:
Debugging
Validation
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 3 / 11

7. A Development Tool
Development of Production Code:
Debugging
Validation
Automated Testing (fast, deterministic)
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 3 / 11

8. Testbeds ?
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 4 / 11

9. Testbeds ?
No:
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 4 / 11

10. Testbeds ?
No:
Deployment too slow and unreliable
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 4 / 11

11. Testbeds ?
No:
Deployment too slow and unreliable
Not completely deterministic
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 4 / 11

12. Testbeds ?
No:
Deployment too slow and unreliable
Not completely deterministic
Distributed debugging is hard
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 4 / 11

13. Testbeds ?
No:
Deployment too slow and unreliable
Not completely deterministic
Distributed debugging is hard
Distributed tracing is hard
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 4 / 11

14. Traditional Simulators ?
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 5 / 11

15. Traditional Simulators ?
No:
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 5 / 11

16. Traditional Simulators ?
No:
Not the real code
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 5 / 11

17. Proposed Solution
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

18. Proposed Solution
Simulate the CCNx code before deployment:
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

19. Proposed Solution
Simulate the CCNx code before deployment:
Reuse existing layer 1/2/3/4 models from ns-3
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

20. Proposed Solution
Simulate the CCNx code before deployment:
Reuse existing layer 1/2/3/4 models from ns-3
Trivial to deploy multiple network nodes
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

21. Proposed Solution
Simulate the CCNx code before deployment:
Reuse existing layer 1/2/3/4 models from ns-3
Trivial to deploy multiple network nodes
Easy whole-system debugging
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

22. Proposed Solution
Simulate the CCNx code before deployment:
Reuse existing layer 1/2/3/4 models from ns-3
Trivial to deploy multiple network nodes
Easy whole-system debugging
Easy whole-system tracing and analysis
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

23. Proposed Solution
Simulate the CCNx code before deployment:
Reuse existing layer 1/2/3/4 models from ns-3
Trivial to deploy multiple network nodes
Easy whole-system debugging
Easy whole-system tracing and analysis
Optionally reuse kernel layer 3/4 stack
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

24. Proposed Solution
Simulate the CCNx code before deployment:
Reuse existing layer 1/2/3/4 models from ns-3
Trivial to deploy multiple network nodes
Easy whole-system debugging
Easy whole-system tracing and analysis
Optionally reuse kernel layer 3/4 stack
Much better scalability than testbeds/VMs
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 6 / 11

25. How do I use it ?
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 7 / 11

26. How do I use it ?
Roughly:
Download/install ns-3
Download/install ns-3 DCE module
Recompile CCNx with magic option
Write simulation script
Run
Analyse traces
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 7 / 11

27. How do I use it ?
Roughly:
Download/install ns-3
Download/install ns-3 DCE module
Recompile CCNx with magic option
Write simulation script
Run
Analyse traces
The details: http://goo.gl/yfgwZ
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 7 / 11

28. What we would like to
learn
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 8 / 11

29. What we would like to
learn
If you tried DCE/CCNx:
What sucks about it ?
How can we improve it ?
How can we write more test scripts for CCNx ?
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 8 / 11

30. What we would like to
learn
If you tried DCE/CCNx:
What sucks about it ?
How can we improve it ?
How can we write more test scripts for CCNx ?
If you did not try it:
Why ?
What is missing to make you try it ?
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 8 / 11

31. Thank you!
Contact:
daniel.camara@inria.fr
frederic.urbani@inria.fr
mathieu.lacage@cutebugs.net
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 9 / 11

32. Related Work
NDN over ONL NEPI ccnSim CCNPL-Sim DCE ndnSim
Type testbed testbed sim sim sim sim
Real code + + - - + -
Scalability – – +++ ? + ++
Deployment – + ++ ++ + ++
Debugger - - + + + +
Tracing – + + + + +
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 10 / 11

33. Scalability
Memory:
Fixed, 1MB/node ccnx
Fixed, 0.02MB/node ns-3 TCP/IP
Fixed, 0.5MB/node linux TCP/IP
Linear in number of bytes of packets in flight
CPU:
Real time limit: 20 nodes, 200K file transfer
Camara,Urbani (INRIA) Experimentation/CCN Sept 2012 11 / 11