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Conference Papers Year : 2016

Server-side performance evaluation of NDN

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Abstract

NDN is a promising protocol that can help to reduce congestion at Internet scale by putting content at the center of communications instead of hosts, and by providing each node with a caching capability. NDN can also natively authenticate transmitted content with a mechanism similar to website certificates that allows clients to assess the original provider. But this security feature comes at a high cost, as it relies heavily on asymmetric cryptography which affects server performance when NDN Data are generated. This is particularly critical for many services dealing with real-time data (VOIP, live streaming, etc.), but current tools are not adapted for a realistic server-side performance evaluation of NDN traffic generation when digital signature is used. We propose a new tool, NDNperf, to perform this evaluation and show that creating NDN packets is a major bottleneck of application performances. On our testbed, 14 server cores only generate ∼400 Mbps of new NDN Data with default packet settings. We propose and evaluate practical solutions to improve the performance of server-side NDN Data generation leading to significant gains.
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Dates and versions

hal-01386777 , version 1 (24-10-2016)

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Xavier Marchal, Thibault Cholez, Olivier Festor. Server-side performance evaluation of NDN. 3rd ACM Conference on Information-Centric Networking (ACM-ICN'16), ACM SIGCOMM, Sep 2016, Kyoto, Japan. pp.148 - 153, ⟨10.1145/2984356.2984364⟩. ⟨hal-01386777⟩
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