Analysis of server-smartphone application communication patterns

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Szalay-Bekõ, Máté
dc.contributor.author Somogyi, Péter
dc.date.accessioned 2014-09-25T08:35:49Z
dc.date.available 2014-09-25T08:35:49Z
dc.date.issued 2014
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/14045
dc.description.abstract The spread of smartphone devices, Internet of Things technologies and the popularity of web-services require real-time and always on applications. The aim of this thesis is to identify a suitable communication technology for server and smartphone communication which fulfills the main requirements for transferring realtime data to the handheld devices. For the analysis I selected 3 popular communication technologies that can be used on mobile devices as well as from commonly used browsers. These are client polling, long polling and HTML5 WebSocket. For the assessment I developed an Android application that receives real-time sensor data from a WildFly application server using the aforementioned technologies. Industry specific requirements were selected in order to verify the usability of this communication forms. The first one covers the message size which is relevant because most smartphone users have limited data plan. The next part discusses reliability issues of the analyzed technologies covering WebSocket connection drop and proxy server caching. Latency tests are conducted as well and the final part discusses the security aspects and how the other requirements are affected when encrypted connections are used. The results show that WebSocket and long polling are relatively good ways to deliver real-time information to smartphone devices. However, the WebSocket connection can drop unexpectedly due to the lack of keep alive messages which are generally not sent on the network. Moreover, latency radically increases when secured WebSocket connection is used. en
dc.format.extent 83 s.
dc.format.mimetype application/pdf
dc.language.iso en en
dc.title Analysis of server-smartphone application communication patterns en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school Perustieteiden korkeakoulu fi
dc.subject.keyword smartphone en
dc.subject.keyword server en
dc.subject.keyword real-time data en
dc.subject.keyword HTTP polling en
dc.subject.keyword long polling en
dc.subject.keyword WebSocket en
dc.subject.keyword message size en
dc.subject.keyword realibility en
dc.subject.keyword latency en
dc.subject.keyword performance en
dc.subject.keyword security en
dc.identifier.urn URN:NBN:fi:aalto-201409252673
dc.type.dcmitype text en
dc.programme.major Tietokoneverkot fi
dc.programme.mcode T-110
dc.type.ontasot Diplomityö fi
dc.type.ontasot Master's thesis en
dc.contributor.supervisor Nurminen, Jukka
dc.contributor.supervisor Kozsik, Tamás


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