Title
Towards Video Flow Classification at a Million Encrypted Flows Per Second
Abstract
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.
Year
DOI
Venue
2018
10.1109/AINA.2018.00061
2018 IEEE 32nd International Conference on Advanced Information Networking and Applications (AINA)
Keywords
Field
DocType
Flow classification,DPI,Cellular networks,random forest,GBM,runtime performance
Deep packet inspection,Data mining,Data modeling,Computer science,Support vector machine,Network packet,Encryption,Cellular network,Traffic engineering,Distributed computing,The Internet
Conference
ISSN
ISBN
Citations 
1550-445X
978-1-5386-2196-7
1
PageRank 
References 
Authors
0.40
9
4
Name
Order
Citations
PageRank
Johan Garcia110112.66
Topi Korhonen211.75
Ricky Andersson310.40
Filip Vastlund410.40