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Trace-Driven Network Path Emulation¦
"... This paper reports on on-going work where a trace-driven approach to network path emulation is investigated. Time stamped probe packets are sent along a network path whereby a probe packet trace can be generated. It basically contains the send times and the one-way delays/loss indica-tions of the pr ..."
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This paper reports on on-going work where a trace-driven approach to network path emulation is investigated. Time stamped probe packets are sent along a network path whereby a probe packet trace can be generated. It basically contains the send times and the one-way delays/loss indica-tions
Trace-Driven Network Path Emulation\Pi
"... 1 Introduction Before a new network protocol or application is deployed and taken into op-eration, its behavior and performance should be evaluated to ensure that, for instance, it will not be malicious to the network. A very common way of per-forming the evaluation is by simulations. The benefits a ..."
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/Ericsson CONNECTED project. 2 Trace-Driven Network Path Emulation can be made. It is also useful in debugging an implementation since the condi-tions that trigger the incorrect behavior can be recreated whenever needed. To have a controllable environment is also important because it is then possible tostudy
Locating Internet Bottlenecks: Algorithms, Measurements, and Implications
- In Proc. of ACM SIGCOMM ’04
, 2004
"... The views and conclusions contained in this document are those of the authors and should not be interpreted as The ability to locate network bottlenecks along end-to-end paths on the Internet is of great interest to both network operators and researchers. For example, knowing where bottleneck links ..."
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Cited by 81 (7 self)
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on the Internet. We evaluate Pathneck using trace-driven emulations and wide area Internet experiments. In addition, we conduct extensive measurements on the Internet among carefully selected, geographically diverse probing sources and destinations to study Internet bottleneck properties. We find that Pathneck
A Facility For Experimenting Distributed Software in the Internet
- IN PROCEEDINGS OF THE IEEE WORKSHOP IN ADVANCES IN PARALLEL AND DISTRIBUTED SYSTEMS
, 1993
"... To test distributed software in the Internet we need many experimental sites in different physical locations. To ease the experimental setup, we have developed a facility for a study of distributed transaction processing in the Internet. The facility emulates remote sites by local machines, and e ..."
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Cited by 2 (1 self)
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as in the real experiments. It also supports a trace-driven emulation method that measures the inter-site communication of the Internet and uses the measurement data to generate empirical values for delay and message loss between two local sites. We have studied these approaches and observed
The Role of Trace Modulation in Building Mobile Computing Systems
- In Proceedings of the Sixth IEEE Workshop on Hot Topics in Operating Systems
, 1997
"... environment in vitro argues for live experiments. On the In this paper we put forth the view that trace other hand, the difficulty of experimental control in live modulation is an indispensable technique for experiments confounds interpretation of results. building and evaluating mobile computing ..."
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systems. The essence of our solution is transparent, real- Reproducibility of the networking environment is time, trace-driven emulation of a target network. important for three reasons. First, it is essential for sound Although conceptually simple, trace modulation performance evaluation of a given
The Role of Trace Modulation in Building Mobile Computing Systems
- In Proceedings of the Sixth IEEE Workshop on Hot Topics in Operating Systems
, 1997
"... environment in vitro argues for live experiments. On the In this paper we put forth the view that trace other hand, the difficulty of experimental control in live modulation is an indispensable technique for experiments confounds interpretation of results. building and evaluating mobile computin ..."
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computing systems. The essence of our solution is transparent, real- Reproducibility of the networking environment is time, trace-driven emulation of a target network. important for three reasons. First, it is essential for sound Although conceptually simple, trace modulation performance evaluation of a
CrowdLab: An architecture for volunteer mobile testbeds
- In Communication Systems and Networks (COMSNETS), 2011 Third International Conference on
, 2011
"... Abstract-Researchers investigating mobile and wireless systems can run experiments on many testbeds, but no existing option supports experimentation "in the wild" without sacrificing features such as access to low-level wireless state and efficient scheduling of co-local guests. To fill t ..."
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Cited by 11 (1 self)
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called a site directory. We have implemented two CrowdLab prototypes, one for x86 laptops and one for ARM-based Nokia N810 Internet Tablets, and evaluated them using power measurements, micro-benchmarks, and trace-driven emulation. Our evaluation demonstrates that handheld users can contribute 2.5 hours
Scaling Microblogging Services with Divergent Traffic Demands
"... Abstract. Today’s microblogging services such as Twitter have long outgrown their initial designs as SMS-based social networks. Instead, a massive and steadily-growing user population of more than 100 million is using Twitter for everything from capturing the mood of the country to detecting earthqu ..."
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Cited by 3 (1 self)
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processing and bandwidth costs away from a small centralized server base while ensuring reliable message delivery. We use a 20-day Twitter availability measurement to guide our design, and trace-driven emulation of 30,000 Twitter users to evaluate our Cuckoo prototype. Compared to the centralized approach
Cuckoo: Scaling Microblogging Services with Divergent Traffic Demands.
"... Today’s microblogging services such as Twitter have long outgrown their initial designs as SMSbased social networks. Instead, a massive and steadily-growing user population of more than 100 million is using Twitter for everything from capturing the mood of the country to detecting earthquakes and In ..."
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Cited by 1 (1 self)
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and bandwidth costs away from a small centralized server base while ensuring reliable message delivery. We use a 20day Twitter availability measurement to guide our design, and trace-driven emulation of 30,000 Twitter users to evaluate our Cuckoo prototype. Compared to the centralized approach, Cuckoo achieves
Session 2: Inference of Network Properties Locating Internet Bottlenecks: Algorithms, Measurements, and Implications
"... The ability to locate network bottlenecks along end-to-end paths on the Internet is of great interest to both network operators and researchers. For example, knowing where bottleneck links are, network operators can apply traffic engineering either at the interdomain or intradomain level to improve ..."
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on an Internet path. Pathneck is based on a novel probing technique called Recursive Packet Train (RPT) and does not require access to the destination. We evaluate Pathneck using wide area Internet experiments and trace-driven emulation. In addition, we present the results of an extensive study on bottlenecks
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