Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism

This article exhibits a reward-based incentive mechanism for file caching in delay-tolerant networks. In delay-tolerant networks, nodes use relay’s store-carry-forward paradigm to reach the final destination. Thereby, relay nodes may store data in their buffer and carry it till an appropriate contac...

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Main Authors: Sidi Ahmed Ezzahidi, Essaid Sabir, Sara Koulali, El-Houssine Bouyakhf
Format: Article
Language:English
Published: Wiley 2017-04-01
Series:International Journal of Distributed Sensor Networks
Online Access:https://doi.org/10.1177/1550147717700149
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author Sidi Ahmed Ezzahidi
Essaid Sabir
Sara Koulali
El-Houssine Bouyakhf
author_facet Sidi Ahmed Ezzahidi
Essaid Sabir
Sara Koulali
El-Houssine Bouyakhf
author_sort Sidi Ahmed Ezzahidi
collection DOAJ
description This article exhibits a reward-based incentive mechanism for file caching in delay-tolerant networks. In delay-tolerant networks, nodes use relay’s store-carry-forward paradigm to reach the final destination. Thereby, relay nodes may store data in their buffer and carry it till an appropriate contact opportunity with destination arises. However, the relays are not always willing to assist data forwarding due to a limited energy or a low storage capacity. Our proposal suggests a reward mechanism to uphold and to sustain cooperation among relay nodes. We model this distributed network interaction as a non-cooperative game. Namely, the source node offers to the relay nodes a positive reward if they accept to cache and to forward a given file successfully to a target destination, whereas the relay nodes may either accept or reject the source deal, depending on the reward attractiveness and on their battery status (their actual energy level). Next, full characterizations of both pure and mixed Nash equilibria are provided. Then, we propose three fully distributed algorithms to ensure convergence to the Nash equilibria (for both pure equilibrium and mixed equilibrium). Finally, we validate our proposal through extensive numerical examples and many learning simulations and draw some conclusions and insightful remarks.
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series International Journal of Distributed Sensor Networks
spelling doaj-art-bc04f7afaa344dbea80907e456cd9a262025-02-03T06:43:01ZengWileyInternational Journal of Distributed Sensor Networks1550-14772017-04-011310.1177/1550147717700149Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanismSidi Ahmed Ezzahidi0Essaid Sabir1Sara Koulali2El-Houssine Bouyakhf3LIMIARF Laboratory, FSR, Mohammed V University, Rabat, MoroccoNEST Research Group, LRI Lab, ENSEM, University of Hassan II Casablanca, Casablanca, MoroccoMATSI Laboratory, Mohammed I University, Oujda, MoroccoLIMIARF Laboratory, FSR, Mohammed V University, Rabat, MoroccoThis article exhibits a reward-based incentive mechanism for file caching in delay-tolerant networks. In delay-tolerant networks, nodes use relay’s store-carry-forward paradigm to reach the final destination. Thereby, relay nodes may store data in their buffer and carry it till an appropriate contact opportunity with destination arises. However, the relays are not always willing to assist data forwarding due to a limited energy or a low storage capacity. Our proposal suggests a reward mechanism to uphold and to sustain cooperation among relay nodes. We model this distributed network interaction as a non-cooperative game. Namely, the source node offers to the relay nodes a positive reward if they accept to cache and to forward a given file successfully to a target destination, whereas the relay nodes may either accept or reject the source deal, depending on the reward attractiveness and on their battery status (their actual energy level). Next, full characterizations of both pure and mixed Nash equilibria are provided. Then, we propose three fully distributed algorithms to ensure convergence to the Nash equilibria (for both pure equilibrium and mixed equilibrium). Finally, we validate our proposal through extensive numerical examples and many learning simulations and draw some conclusions and insightful remarks.https://doi.org/10.1177/1550147717700149
spellingShingle Sidi Ahmed Ezzahidi
Essaid Sabir
Sara Koulali
El-Houssine Bouyakhf
Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism
International Journal of Distributed Sensor Networks
title Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism
title_full Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism
title_fullStr Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism
title_full_unstemmed Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism
title_short Robust fully distributed file caching for delay-tolerant networks: A reward-based incentive mechanism
title_sort robust fully distributed file caching for delay tolerant networks a reward based incentive mechanism
url https://doi.org/10.1177/1550147717700149
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AT sarakoulali robustfullydistributedfilecachingfordelaytolerantnetworksarewardbasedincentivemechanism
AT elhoussinebouyakhf robustfullydistributedfilecachingfordelaytolerantnetworksarewardbasedincentivemechanism