NDLI: On-demand data forwarding in mobile opportunistic networks: backbone-based approach

Content Provider	IET Digital Library
Author	Zhang, Xiaomei Luo, Shuyun
Abstract	Mobile opportunistic networks have been exploited for data forwarding and data offloading in many network scenarios, like the mobile edge networks, due to its low cost and high robustness. Existing data forwarding strategies exploit all available network resources to forward data in a ‘best-effort’ manner. However, they ignore data's heterogeneous delay constraints and may ineffectively assign network resources, resulting in ineffective data forwarding. In this study, the authors improve the existing strategies by proposing a backbone-based on-demand data forwarding strategy, which assign network resources to data items on-demand, according to their delay requirements. Specifically, they first propose an algorithm to extract a backbone structure in the network, where nodes in the backbone structure are responsible for the data forwarding in the whole network. Then, on-demand data forwarding is formalised as an optimisation problem, which selects the minimum number of paths from the backbone to ensure data are delivered on time with high confidence. To address this problem, a path elimination process and a path selection algorithm are proposed to select highly-independent paths according to the delay requirements of data. Evaluation results show that the proposed on-demand strategy can significantly improve the performance of data forwarding in mobile opportunistic networks.
Starting Page	3336
Ending Page	3343
Page Count	8
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 19, Dec (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2019.0308
Journal	IET Communications
Publisher Date	2019-09-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Available Network Resources Backbone Structure Backbone-based On-demand Data Forwarding Strategy Communication Network Design, Planning And Routing Data Item Data Items On-demand Data Offloading Existing Data Forwarding Strategy Forward Data Ineffective Data Forwarding Mobile Computing Mobile Edge Network Mobile Opportunistic Network Mobile Radio System Optimisation Pervasive Computing Protocol Routing Protocol Telecommunication Network Routing Telecommunication Traffic Ubiquitous
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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