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Towards Video Flow Classification at a Million Encrypted Flows Per Second
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013). (DISCO)ORCID iD: 0000-0003-3461-7079
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013).
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013).
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013).
2018 (English)In: Proceedings of 32nd International Conference on Advanced Information Networking and Applications (AINA) / [ed] Leonard Barolli, Makoto Takizawa, Tomoya Enokido, Marek R. Ogiela, Lidia Ogiela & Nadeem Javaid, Krakow: IEEE, 2018Conference paper, Published paper (Refereed)
Abstract [en]

As end-to-end encryption on the Internet is becoming more prevalent, techniques such as deep packet inspection (DPI) can no longer be expected to be able to classify traffic. In many cellular networks a large fraction of all traffic is video traffic, and being able to divide flows in the network into video and non-video can provide considerable traffic engineering benefits. In this study we examine machine learning based flow classification using features that are available also for encrypted flows. Using a data set of several several billion packets from a live cellular network we examine the obtainable classification performance for two different ensemble-based classifiers. Further, we contrast the classification performance of a statistical-based feature set with a less computationally demanding alternate feature set. To also examine the runtime aspects of the problem, we export the trained models and use a tailor-made C implementation to evaluate the runtime performance. The results quantify the trade-off between classification and runtime performance, and show that up to 1 million classifications per second can be achieved for a single core. Considering that only the subset of flows reaching some minimum flow length will need to be classified, the results are promising with regards to deployment also in scenarios with very high flow arrival rates.

Place, publisher, year, edition, pages
Krakow: IEEE, 2018.
Series
Advanced Information Networking and Applications, ISSN 1550-445X, E-ISSN 2332-5658
Keywords [en]
Cryptography, Runtime, Cellular networks, Machine learning, Forestry, Data models, Support vector machines
National Category
Computer Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-68705DOI: 10.1109/AINA.2018.00061ISI: 000454817500048ISBN: 978-1-5386-2196-7 (print)ISBN: 978-1-5386-2195-0 (print)OAI: oai:DiVA.org:kau-68705DiVA, id: diva2:1238751
Conference
32nd International Conference on Advanced Information Networking and Applications (AINA). Krakow, Poland, 16-18 May 2018.
Projects
HITSAvailable from: 2018-08-14 Created: 2018-08-14 Last updated: 2019-02-14Bibliographically approved

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Garcia, JohanKorhonen, Topi

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CiteExportLink to record
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