New Fields in Classifying Algorithms for Content Awareness

Radu-Dinel Miruta, Cosmin Stanuica and Eugen Borcoci
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Radu-Dinel Miruta: Politehnica University of Bucharest, Romania
Cosmin Stanuica: Politehnica University of Bucharest, Romania
Eugen Borcoci: Politehnica University of Bucharest, Romania

International Journal of Information Technology and Web Engineering (IJITWE), 2012, vol. 7, issue 2, 1-15

Abstract: The content aware (CA) packet classification and processing at network level is a new approach leading to significant increase of delivery quality of the multimedia traffic in Internet. This paper presents a solution for a new multi-dimensional packet classifier of an edge router, based on content - related new fields embedded in the data packets. The technique is applicable to content aware networks. The classification algorithm is using three new packet fields named Virtual Content Aware Network (VCAN), Service Type (STYPE), and U (unicast/multicast) which are part of the Content Awareness Transport Information (CATI) header. A CATI header is inserted into the transmitted data packets at the Service/Content Provider server side, in accordance with the media service definition, and enables the content awareness features at a new overlay Content Aware Network layer. The functionality of the CATI header within the classification process is then analyzed. Two possibilities are considered: the adaptation of the Lucent Bit vector algorithm and, respectively, of the tuple space search, in order to respond to the suggested multi-fields classifier. The results are very promising and they prove that theoretical model of inserting new packet fields for content aware classification can be implemented and can work in a real time classifier.

Date: 2012
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