<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Delay tolerant networks (DTNs) are a type of emerging mobile wireless network that experience long delays, intermittent disruption, buffer space and energy limitations, node irregularities and frequent mobility. To this end, many protocols take advantage of the flooding mechanism to increase the probability of successful message transmission. However, sending too many copies of each message may result in large network overhead and communication cost. Based on the Spray and Wait (S&amp;W) algorithm, we propose an improved Adaptive Spray and Wait scheme, named ASW, for different delay tolerant network scenes. In this paper, we define a hybrid utility metric combined with multiple variables, delivery probability and similarity. Then, we distribute message copies in accordance with the proportion of the utility value to optimize the delivery ratio. Extensive simulations have been conducted to verify the efficiency of our proposed algorithm. In addition to the comparison, the results also show that our proposed algorithm achieves a better performance in terms of the delivery ratio and average latency than the other three protocols</p>
</abstract>

Delay tolerant networks (DTNs) are a type of emerging mobile wireless network that experience long delays, intermittent disruption, buffer space and energy limitations, node irregularities and frequent mobility. To this end, many protocols take advantage of the flooding mechanism to increase the probability of successful message transmission. However, sending too many copies of each message may result in large network overhead and communication cost. Based on the Spray and Wait (S&W) algorithm, we propose an improved Adaptive Spray and Wait scheme, named ASW, for different delay tolerant network scenes. In this paper, we define a hybrid utility metric combined with multiple variables, delivery probability and similarity. Then, we distribute message copies in accordance with the proportion of the utility value to optimize the delivery ratio. Extensive simulations have been conducted to verify the efficiency of our proposed algorithm. In addition to the comparison, the results also show that our proposed algorithm achieves a better performance in terms of the delivery ratio and average latency than the other three protocols

A Multi-Scheme Adaptive Routing Algorthm Based On Spray And Wait For Dalay Tolerant Networks

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Delay tolerant networks (DTNs) are a type of emerging mobile wireless network that experience long delays, intermittent disruption, buffer space and energy...

A Multi-Scheme Adaptive Routing Algorthm Based On Spray And Wait For Dalay Tolerant Networks

Publié en ligne: 01 déc. 2015

Pages: 2136 - 2158

Reçu: 23 août 2015

Accepté: 11 nov. 2015

DOI: https://doi.org/10.21307/ijssis-2017-846

Mots clés
Delay Tolerant Networks, routing algorithm, Spray and Wait algorithm, PROPHET, similarity

© 2015 Jianbo Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

A Multi-Scheme Adaptive Routing Algorthm Based On Spray And Wait For Dalay Tolerant Networks

Publié en ligne: 01 déc. 2015

Pages: 2136 - 2158

Reçu: 23 août 2015

Accepté: 11 nov. 2015

DOI: https://doi.org/10.21307/ijssis-2017-846

Mots clésDelay Tolerant Networks, routing algorithm, Spray and Wait algorithm, PROPHET, similarity

© 2015 Jianbo Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
Delay Tolerant Networks, routing algorithm, Spray and Wait algorithm, PROPHET, similarity