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Transparent multi-hop protocol termination

Publication by Michael Karl, Thorsten Herfet
Related to the Open Networking project
Published in 2014 IEEE 28th International Conference on Advanced Information Networking and Applications, 2014


According to Cisco's forecast by the end of 2016 the global annual IP traffic will surpass 1.3 zettabytes and mobile traffic will reach a volume of 11.2 exabytes per month in 2017. Thus, a main requirement for future networks is high reliability and efficiency to cope with the associated quality of service demands. Hence, a vital interaction between error-correction, network technologies and suitable network resource utilization constitute a hard challenge for traffic engineers. In prior work it has been shown that the data distribution with traditional endto-end schemes is less optimal compared to multi-hop schemes, that is treating network segments individually. In this paper we present a theoretical analysis based on Shannon's coding theorem that concludes a promising data-rate reduction from the segmentation approach. Additionally, we propose a transparent protocol termination mechanism for software-defined networks (SDN) that allows to segment an end-to-end transmission path without any modification at the sending or receiving devices. Eventually, a detailed implementation approach for SDNs running Open Flow is given.