In-vehicle Cloudlet Computing System for Disaster Information Based on Delay Tolerant Network Protocol

2017 ◽  
Author(s):  
Masaki Otomo ◽  
Goshi Sato ◽  
Yoshitaka Shibata
Keyword(s):  
Computing System ◽  
Delay Tolerant Network ◽  
Network Protocol ◽  
Disaster Information ◽  
Delay Tolerant

scholarly journals Performance of Delay Tolerant Network Protocol in Smart City Scenario

2020 ◽  
Vol 1569 ◽  
pp. 022056
Author(s):  
Agussalim ◽  
Masato Tsuru ◽  
W. Nur Cahyo ◽  
P. Agung Brastama
Keyword(s):  
Smart City ◽  
Delay Tolerant Network ◽  
Network Protocol ◽  
Delay Tolerant

Fibonary Spray and Wait Routing in Delay Tolerant Networks

2016 ◽  
Vol 6 (6) ◽  
pp. 3205
Author(s):  
Priyanka Das ◽  
Prosenjit Chowdhury ◽  
Bikash Poudel ◽  
Tanmay De
Keyword(s):  
Simulation Analysis ◽  
Delay Tolerant Networks ◽  
Delay Tolerant Network ◽  
Network Protocol ◽  
The Internet ◽  
New Approach ◽  
Delay Tolerant ◽  
Spray And Wait ◽  
Independent And Identically Distributed

<p>Although there has been a tremendous rise in places being connected through the Internet or any other network protocol, there still lie areas, which remain out of reach due to various reasons. For all such places the answer is a Delay Tolerant Network (DTN). A DTN is such a network where there is no fixed or predefined route for messages and no such guarantee whatsoever of all messages being correctly routed. DTN can be considered as a superset of networks wherein other networks such as adhoc, mobile, vehicular etc. form the subset. Therefore routing in DTN is a very chancy affair where one has to maximize on the present network scenarios to get any fruitful result other than depending on past information. Also protocols here need to be less complex and not increase the already high nodal overhead. In this paper we propose a new approach, the Fibonary Spray and Wait, which does exactly this. It forwards copies of a message in a modified Binary Spray and Wait manner so that it performs well even in non independent and identically distributed node structure. We have supported our statements with mathematical as well as simulation analysis.</p>

scholarly journals Delay Tolerant Networking with Data Triage Method based on Emergent User Policies for Disaster Information Network System

2014 ◽  
Vol 10 (4) ◽  
pp. 347-359 ◽  
Author(s):  
Noriki Uchida ◽  
Norihiro Kawamura ◽  
Goshi Sato ◽  
Yoshitaka Shibata
Keyword(s):  
Urban Areas ◽  
Delay Tolerant Network ◽  
Great Earthquake ◽  
Information Network ◽  
Network System ◽  
Message Delivery ◽  
Data Types ◽  
Local Areas ◽  
Disaster Information ◽  
Delay Tolerant

When Disaster Information Network System is considered in local areas that were heavy damaged by the East Japan Great Earthquake in 2011, the resiliency of the network system is one of significant subjects for the restoration of the areas. DTN (Delay Tolerant Network) has been focused for the effective methods for such inoperable network circumstances. However, when DTN is applied for the local areas, there are some problems such as message delivery rate and latency because there are fewer roads, cars, and pedestrians than in urban areas. In this paper, we propose the Enhanced Media Coordinate System for its architecture, and Data Triage method by emergent user policies is introduced to improve the QoS in Disaster Information Network System in local areas. In the proposed method, every message is tagged with the priority levels by data types with considering emergent user policies, and the high priority messages are firstly duplicated to transmittable nodes. Then, the experimental results by the GIS map of a Japanese coastal town and the future studies are discussed.

Delay-tolerant network protocol testing and evaluation

2015 ◽  
Vol 53 (1) ◽  
pp. 258-266 ◽  
Author(s):  
Yong Li ◽  
Pan Hui ◽  
Depeng Jin ◽  
Sheng Chen
Keyword(s):  
Delay Tolerant Network ◽  
Network Protocol ◽  
Protocol Testing ◽  
Delay Tolerant ◽  
Testing And Evaluation
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