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Congestion control in reliable CoAP communication

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10.1145/2507924.2507954
 
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Cita com:
hdl:2117/22606

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Betzler, August
Gómez Montenegro, CarlosMés informacióMés informacióMés informació
Demirkol, Ilker SeyfettinMés informacióMés informacióMés informació
Paradells Aspas, JosepMés informacióMés informacióMés informació
Document typeConference report
Defense date2013
PublisherAssociation for Computing Machinery (ACM)
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The development of IPv6 stacks for wireless constrained devices that have limited hardware resources has paved the way for many new areas of applications and protocols. The Constrained Application Protocol (CoAP) has been designed by the IETF to enable the manipulation of resources for constrained devices that are capable of connecting to the Internet. Due to the limited radio channel capacities and hardware resources, congestion is a common phenomenon in networks of constrained devices. CoAP implements a basic congestion control mechanism for the transmission of reliable messages. Alternative CoAP congestion control approaches are a recent topic of interest in the IETF CoRE Working Group. New Internet-Drafts discuss the limitations of the default congestion control mechanisms and propose alternative ones, yet, there have been no studies in the literature that compare the original approach to the alternative ones. In this paper, we target this crucial study and perform evaluations that show how the default and alternative congestion control mechanisms compare to each other. We use the Cooja simulation environment, which is part of the Contiki development toolset, to simulate CoAP within a complete protocol stack that uses IETF protocols for constrained networks. Through simulations of different network topologies and varying traffic loads, we demonstrate how the advanced mechanisms proposed in the drafts perform relative to the basic congestion control mechanism.
CitationBetzler, A. [et al.]. Congestion control in reliable CoAP communication. A: ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems. "MSWiM'13: proceedings of the 16th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems: November 3-8, 2013: Barcelona, Spain". Barcelona: Association for Computing Machinery (ACM), 2013, p. 365-372. 
URIhttp://hdl.handle.net/2117/22606
DOI10.1145/2507924.2507954
ISBN978-1-4503-2353-6
Publisher versionhttp://dl.acm.org/citation.cfm?id=2507954
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  • Departament d'Enginyeria Telemàtica - Ponències/Comunicacions de congressos [561]
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