Title: Towards a Framework for Data Stream Processing in the Fog
Language: English
Authors: Hießl, Thomas 
Hochreiner, Christoph 
Schulte, Stefan 
Category: Research Article
Issue Date: 2019
Journal: Informatik Spektrum
In volatile data streams as encountered in the Internet of Things (IoT), the data volume to be processed changes permanently. Hence, to ensure timely data processing, there is a need to reconfigure the computational resources used for processing data streams. Up to now, mostly cloud-based computational resources have been utilized for this. However, cloud data centers are usually located far away from IoT data sources, which leads to an increase in latency since data needs to be sent from the data sources to the cloud and back. With the advent of fog computing, it is possible to perform data processing in the cloud as well as at the edge of the network, i. e., by exploiting the computational resources offered by networked devices. This leads to decreased latency and a lower communication overhead. Despite this, there is currently a lack of approaches to data stream processing which explicitly exploit the computational resources available in the fog.

Within this paper, we consider the usage of fog-based computational resources for the purposes of data stream processing in the IoT. For this, we introduce a representative application scenario in the field of Industry 4.0 and present a framework for stream processing in the fog.
DOI: 10.1007/s00287-019-01192-z
Library ID: AC15533565
URN: urn:nbn:at:at-ubtuw:3-7815
ISSN: 1432-122X
Organisation: E194 - Institut für Information Systems Engineering 
Publication Type: Article
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