Correction: Priority Queue Based Reactive Buffer Management Policy for Delay Tolerant Network under City Based Environments

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The second author's name is incorrect. The correct name is: Md Asri Ngadi. The correct citation is: Ayub Q, Ngadi MA, Rashid S, Habib HA (2018) Priority Queue Based Reactive Buffer Management Policy for Delay Tolerant Network under City Based Environments. PLoS ONE 13(2): e0191580. doi: 10.1371/journal.pone.0191580

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Priority Queue Based Reactive Buffer Management Policy for Delay Tolerant Network under City Based Environments

Qaisar Ayub, Asri Ngadi, Sulma Rashid … (2018)

Delay Tolerant Network (DTN) multi-copy routing protocols are privileged to create and transmit multiple copies of each message that causes congestion and some messages are dropped. This process is known as reactive drop because messages were dropped re-actively to overcome buffer overflows. The existing reactive buffer management policies apply a single metric to drop source, relay and destine messages. Hereby, selection to drop a message is dubious because each message as source, relay or destine may have consumed dissimilar magnitude of network resources. Similarly, DTN has included time to live (ttl) parameter which defines lifetime of message. Hence, when ttl expires then message is automatically destroyed from relay nodes. However, time-to-live (ttl) is not applicable on messages reached at their destinations. Moreover, nodes keep replicating messages till ttl expires even-though large number of messages has already been dispersed. In this paper, we have proposed Priority Queue Based Reactive Buffer Management Policy (PQB-R) for DTN under City Based Environments. The PQB-R classifies buffered messages into source, relay and destine queues. Moreover, separate drop metric has been applied on individual queue. The experiment results prove that proposed PQB-R has reduced number of messages transmissions, message drop and increases delivery ratio.

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Journal ID (nlm-ta): PLoS One

Journal ID (iso-abbrev): PLoS ONE

Journal ID (publisher-id): plos

Journal ID (pmc): plosone

Title: PLoS ONE

Publisher: Public Library of Science (San Francisco, CA USA )

ISSN (Electronic): 1932-6203

Publication date (Electronic): 31 October 2019

Publication date Collection: 2019

Publication date PMC-release: 31 October 2019

Volume: 14

Issue: 10

Electronic Location Identifier: e0224826

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Publisher ID: PONE-D-19-29608

DOI: 10.1371/journal.pone.0224826

PMC ID: 6822733

PubMed ID: 31671148

SO-VID: 80b9b9bf-7e11-40b7-aa54-281df7c634bb

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This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correction: Priority Queue Based Reactive Buffer Management Policy for Delay Tolerant Network under City Based Environments

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Priority Queue Based Reactive Buffer Management Policy for Delay Tolerant Network under City Based Environments

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