Evolution of ndnSIM: Open-Source Ecosystem for NDN Experimentation

This presentation explores the evolution of ndnSIM, an open-source NDN simulator ecosystem enabling experimentation and evaluation in various NDN research areas. It covers the design trade-offs, community adoption, major lessons learned, and the integration trade-offs in the prototype. The ndnSIM simulation ecosystem aims to provide a common NDN evaluation platform, keep pace with advancements in NDN research, and enable high-fidelity simulations to facilitate research into NDN forwarding, network environments, real-world applications, and more.

• ndnSIM
• NDN
• simulator
• ecosystem
• experimentation

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1. On the Evolution of On the Evolution of ndnSIM Open Open- -Source Ecosystem for NDN Source Ecosystem for NDN Experimentation Experimentation ndnSIM: an : an NDNcomm 2017 Macrh 23 24 Memphis Spyridon (Spyros) Mastorakis University of California, Los Angeles 2/20/2025 NDNcomm 2017 1

2. Presentation Overview Presentation Overview Design of ndnSIM simulation ecosystem Design trade-offs NDN research areas enabled by ndnSIM Community adoption & growth Major lessons learned during the development process ndnSIM running code 2/20/2025 NDNcomm 2017 2

3. ndnSIM ndnSIM Simulation Ecosystem Simulation Ecosystem ndnSIM: Open-source NDN simulator based on NS-3 Fully integrated with NDN prototype implementations: NFD & ndn-cxx Effort started in 2011 6 years since then, several lessons learned Goals: Create a common NDN evaluation platform Keep up with the latest advancements of NDN research Provide interoperability between simulation and prototyping Enable a two-way of experimentation and evaluation Enable high-fidelity NDN simulations 2/20/2025 NDNcomm 2017 3

4. ndnSIM ndnSIM Ecosystem Design Ecosystem Design 2/20/2025 NDNcomm 2017 4

5. Prototype Integration Trade Prototype Integration Trade- -offs offs On the one hand: 1) Lost backward compatibility (with ndnSIM 1.0) 2) Lost ability to use NS-3 virtual payload 3) Increased memory requirements On the other hand: 1) A two-way of experimentation and evaluation 2) High-fidelity simulation of NDN networks 2/20/2025 NDNcomm 2017 5

6. ndnSIM ndnSIM: NDN Research Enabler : NDN Research Enabler DesignandexperimentationwithNDN Forwarding(forwarding strategies, congestion control, etc.) Experimentation with avariety of Network Environments (mobile, IoT, vehicular, wireless ad hoc, etc.) Designanddebuggingof real-world applications (ChronoSync, nTorrent, etc.) Designoflink-layer protocols Designandevaluationofrouting protocols Designandevaluationofin-network caching schemes(we believe there are more interesting research areas to work on ) 2/20/2025 NDNcomm 2017 6

7. Community Adoption & Growth Community Adoption & Growth Started with a mailing list with a few dozen of subscribers Now: ~500 subscribers, 380 Technical Report citations 2/20/2025 NDNcomm 2017 7

8. Lessons Learned Lessons Learned 1) A well-designed simulation platform facilitates the protocol design effort 2) The simulator and the prototypes facilitate and influence each other s development 3) Developing an open-source software project is an iterative process 4) Researchers should be able to reproduce each other s experiments 5) An open communication channel with the user community is crucial for an open-source project 2/20/2025 NDNcomm 2017 8

9. ndnSIM ndnSIM Running Code Running Code Latest version: ndnSIM v2.3: https://github.com/named-data-ndnSIM/ndnSIM Integrated NFD v0.5: https://github.com/named-data- ndnSIM/NFD/tree/38111cde9bab698f6eaf1a9d430130c2cbb3eca4 Integrated ndn-cxx v0.5: https://github.com/named-data-ndnSIM/ndn- cxx/tree/4692ba80cf1dcf07acbbaba8a134ea22481dd457 Real-world application examples: ChronoSync: https://github.com/named-data-ndnSIM/scenario-ChronoSync NDN Ping: https://github.com/named-data-ndnSIM/scenario-ndn-ping NLSR in ndnSIM: https://github.com/3rd-ndn-hackathon/nlsrSIM 2/20/2025 NDNcomm 2017 9

10. ndnSIM ndnSIM: Universal Evaluation Platform for : Universal Evaluation Platform for NDN Experimentation NDN Experimentation Modular design High-fidelity NDN simulations Integration with NFD & ndn-cxx Support for real-world applications Continuous development & support Extensive documentation available on our website: http://ndnsim.net Growing community Active mailing list: ndnsim@lists.cs.ucla.edu 2/20/2025 NDNcomm 2017 10

11. We invite you to use ndnSIM and explore NDN research 2/20/2025 NDNcomm 2017 11