ACM Transactions on Computer Systems (TOCS)
Nsclick:: bridging network simulation and deployment
MSWiM '02 Proceedings of the 5th ACM international workshop on Modeling analysis and simulation of wireless and mobile systems
Enabling cross layer design: adding the MadWifi extensions to Nsclick
Proceedings of the 2nd international conference on Performance evaluation methodologies and tools
Enhance & explore: an adaptive algorithm to maximize the utility of wireless networks
MobiCom '11 Proceedings of the 17th annual international conference on Mobile computing and networking
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The Click Modular Router provides a flexible platform for protocol development and testing. Integrating the Click Modular Router with a network simulator offers the advantage of bringing this flexibility into a simulation framework. The existing integration of Click with ns-2 (nsclick) has several limitations, namely it cannot be used with generic traffic generators, transport protocols and NetDevices. For the integration with ns-3, we address these limitations. Furthermore, the design of ns-3 makes it much better suited for embedding Click than ns-2 does. This includes the closer alignment of ns-3 with real world packet formats and handling multiple interfaces per node. In this paper, we describe ns-3-click, discuss its design and how it improves over nsclick. Our experiments suggest that ns-3-click does not incur significant performance hits as far as wall clock run time is concerned, but uses more memory than ns-3.