{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T03:48:30Z","timestamp":1747194510636,"version":"3.40.5"},"reference-count":29,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2018,5,1]],"date-time":"2018-05-01T00:00:00Z","timestamp":1525132800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41571389"],"award-info":[{"award-number":["41571389"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61373139"],"award-info":[{"award-number":["61373139"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Open Research Fund from Key Laboratory of Computer Network and Information Integration (SEU), Ministry of Education, China","award":["K93-9-2014-05B"],"award-info":[{"award-number":["K93-9-2014-05B"]}]},{"name":"Scientific Research Foundation of NUPT","award":["NY214063"],"award-info":[{"award-number":["NY214063"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:p> Delay-tolerant networks are novel wireless mobile networks, which are characterized with high latency and frequent disconnectivity. Besides, people carrying mobile devices form a lot of communities because of similar interests and social relationships. How to improve the routing efficiency in multi-community scenarios has become one of the research hot spots in delay-tolerant networks. In this article, we present a network model of the multi-community delay-tolerant networks and formulate a dynamic quota-controlled routing problem of minimizing the average number of copies of a message that satisfies the required delivery probability under the given time-to-live of the message as a nonlinear optimization problem. To solve this problem, we propose an improved genetic algorithm called genetic algorithm for delivery probability and time-to-live optimization for the dynamic quota-controlled routing scheme to reduce the routing cost further. In addition, a cost-efficient dynamic quota-controlled routing protocol based on genetic algorithm for delivery probability and time-to-live optimization is proposed, which can dynamically adjust message copies according to its assigned delivery probability and time-to-live in different communities on the shortest path. Both the numerical and simulation results show that our routing with the proposed algorithm is more cost efficient. <\/jats:p>","DOI":"10.1177\/1550147718776227","type":"journal-article","created":{"date-parts":[[2018,5,16]],"date-time":"2018-05-16T06:48:03Z","timestamp":1526453283000},"page":"155014771877622","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Cost-efficient dynamic quota-controlled routing in multi-community delay-tolerant networks"],"prefix":"10.1177","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3109-2553","authenticated-orcid":false,"given":"Jiagao","family":"Wu","sequence":"first","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing, China"},{"name":"Jiangsu Provincial Key Laboratory of Big Data Security and Intelligent Processing, Nanjing University of Posts and Telecommunications, Nanjing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yue","family":"Ma","sequence":"additional","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing, China"},{"name":"Jiangsu Provincial Key Laboratory of Big Data Security and Intelligent Processing, Nanjing University of Posts and Telecommunications, Nanjing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Linfeng","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Computer Science & Technology, Nanjing University of Posts and Telecommunications, Nanjing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2018,5,15]]},"reference":[{"first-page":"27","volume-title":"Proceedings of the conference on applications, technologies, architectures, and protocols for computer communications of ACM","author":"Fall 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