Effective controller placement in controller-based Named Data Networks

Narjes Aloulou 1 Mouna Ayari 1 Mohamed Faten Zhani 2 Leila Saidane 1 Guy Pujolle 3
1 ENSI - Ecole Nationale des sciences de l'informatique [Manouba]
2 CS - Cheriton School of Computer Science [Waterloo]
3 Phare
LIP6 - Laboratoire d'Informatique de Paris 6
Abstract : Named Data Networking (NDN) has been recently touted as one of the most appealing future Internet architectures. One prominent feature in NDN networks is the in-network caching that allows routers to store content in their cache and directly serve it to end-users. In this context, efficiently forwarding content requests to the closest router having the desired content has been a daunting challenge that still needs to be addressed. To tackle this challenge and inspired by software defined networking paradigm, we recently proposed a controller-based NDN caching and forwarding scheme where multiple controllers cooperate to efficiently handle request forwarding in the network [1]. In this paper, we further explore this solution by addressing two related challenges: 1) determining the optimal number of controllers able to handle the network traffic; 2) find an optimal placement for the controllers that minimizes the controller load and the inter-controller latency. We first formulate the controller placement problem as an integer linear program and then study the performance of two potential clustering-based solutions. Extensive simulations using real network topologies show that these solutions can provide near-optimal controller locations which, in turn, improve the performance of controller-based NDN forwarding schemes in terms of data download latency and throughput.
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Conference papers
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https://hal.sorbonne-universite.fr/hal-02099050
Contributor : Guy Pujolle <>
Submitted on : Saturday, April 13, 2019 - 7:54:16 PM
Last modification on : Wednesday, May 15, 2019 - 3:41:38 AM

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SORBONNE-UNIVERSITE | UPMC | LIP6 | SU-SCIENCES

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Narjes Aloulou, Mouna Ayari, Mohamed Faten Zhani, Leila Saidane, Guy Pujolle. Effective controller placement in controller-based Named Data Networks. 2017 International Conference on Computing, Networking and Communications (ICNC), Jan 2017, Santa Clara, CA, United States. pp.249-254, ⟨10.1109/ICCNC.2017.7876134⟩. ⟨hal-02099050⟩

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