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DNS and the Internet of Things: Outlining the challenges faced by DNS in the Internet of Things
KTH, School of Information and Communication Technology (ICT).
KTH, School of Information and Communication Technology (ICT).
2016 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis work consists of a literature study where different aspects of DNS and the Internet of Things have been researched. A functional naming and service identification method is an essential part in making the IoT global, and DNS is the current method of naming devices on the Internet. The study looks into some challenges DNS will encounter, namely functionality, security and availability.

This report concludes that a multicast DNS (mDNS) based solution designed for constrained networks is advantageous. This is despite the limited security that is currently available for such a solution. In the future, it is important that security has top priority, as there are currently limited means of security in DNS. Further study is needed when it comes to availability and how name resolving would work with constrained devices that utilise sleep mode.

Abstract [sv]

Detta examensarbete består av en litteraturstudie där olika aspekter av DNS (Domännamnssystemet, eng. Domain Name System) och Sakernas Internet (eng. Internet of Things) har studerats. En fungerande namngivnings-och serviceidentifieringsmetod är en viktig del för att kunna göra Sakernas Internet globalt, och DNS är den nuvarande metoden för att namnge enheter på Internet. Studien undersöker vissa utmaningar som DNS kan stöta på, nämligen funktionalitet, tillgänglighet och säkerhet.

Rapportens slutsats är att en lösning baserad på multisändnings-DNS (eng. multicast DNS, mDNS) som är anpassad för begränsade nätverk (eng. constrained networks) är fördelaktig. Detta trots den begränsade säkerhet som finns tillgänglig just nu för en sådan lösning. I framtiden är det viktigt att säkerheten har högsta prioritet, eftersom säkerheten är begränsad hos DNS. Det behövs ytterligare studier när det gäller tillgänglighet och hur adressöversättning skulle fungera med begänsade enheter (eng. constrained devices) som använder viloläge.

Place, publisher, year, edition, pages
2016. , p. 29
Series
TRITA-ICT-EX ; 2016:181
Keyword [en]
Internet of Things, IoT, DNS, security
Keyword [sv]
Sakernas Internet, IoT, DNS, säkerhet
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-202591OAI: oai:DiVA.org:kth-202591DiVA, id: diva2:1080720
Subject / course
Information and Communication Technology
Educational program
Master of Science in Engineering - Information and Communication Technology
Supervisors
Examiners
Available from: 2017-03-10 Created: 2017-03-10 Last updated: 2018-01-13Bibliographically approved

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