NDLI: Measurement-based analysis, modeling, and synthesis of the internet delay space

Content Provider	ACM Digital Library
Author	Wang, Guohui Ng, Tze Sing Eugene Nandi, Animesh Druschel, Peter Zhang, Bo Riedi, Rudolf H.
Copyright Year	2010
Abstract	Understanding the characteristics of the Internet delay space (i.e., the all-pairs set of static round-trip propagation delays among edge networks in the Internet) is important for the design of global-scale distributed systems. For instance, algorithms used in overlay networks are often sensitive to violations of the triangle inequality and to the growth properties within the Internet delay space. Since designers of distributed systems often rely on simulation and emulation to study design alternatives, they need a realistic model of the Internet delay space. In this paper, we analyze measured delay spaces among thousands of Internet edge networks and quantify key properties that are important for distributed system design. Our analysis shows that existing delay space models do not adequately capture these important properties of the Internet delay space. Furthermore, we derive a simple model of the Internet delay space based on our analytical findings. This model preserves the relevant metrics far better than existing models, allows for a compact representation, and can be used to synthesize delay data for simulations and emulations at a scale where direct measurement and storage are impractical. We present the design of a publicly available delay space synthesizer tool called $DS^{2}$ and demonstrate its effectiveness.
Starting Page	229
Ending Page	242
Page Count	14
File Format	PDF
ISSN	10636692
DOI	10.1109/TNET.2009.2024083
Volume Number	18
Issue Number	1
Journal	IEEE/ACM Transactions on Networking (TON)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-02-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Analysis Distributed system Internet delay space Measurement Modeling Simulation Synthesis
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications

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