Google/Internet2 Summer of Code
Project Noise Calibration

By Cesar Marcondes
[http://www.cs.ucla.edu/~cesar]

Brief Description

 

Coding, Comments and Results:

[HTML] Testbed Description
[HTML] Instrumentation Kernel Code
[HTML] Stress Initial Results
[PDF] Micro Measurement Tools and Results Report
[Dir] Traces Available for Research (I couldn't put more traces available due to sourceforge space limitation)

Back-to-Back Experiments (Linux 2.4, 2.6 and FreeBSD 5.4)
[HTML] UDP Emitter Signal Characterization Description
[HTML] CDF (Poisson - Interrupt Coalescing)
[HTML] CDF (Poisson - No Coalescing)
[HTML] CDF (CBR - Interrupt Coalescing)
[HTML] CDF (CBR - No Coalescing)

Internal OS Queueing Delay (Log-Based Instrumentation)
(FreeBSD 5.4)
[HTML] Hist - separate eth->ip and eth->udp
[HTML] CDF (Poisson - Interrupt Coalescing)
[HTML] CDF (Poisson - No Coalescing)
[HTML] CDF (CBR - Interrupt Coalescing)
[HTML] CDF (CBR - No Coalescing)

Internal OS Queueing Delay (Log-Based Instrumentation)
(Linux 2.4.20)
[HTML] CDF (Poisson - Interrupt Coalescing)
[HTML] CDF (Poisson - No Coalescing)
[HTML] CDF (CBR - Interrupt Coalescing)
[HTML] CDF (CBR - No Coalescing)

Weekly Reports: [1/10] [2/10] [3/10] [4/10] [5/10] [6/10] [7/10] [8/10] [9/10] [10/10]

Paper Review:

[1] Passive Calibration of an Active Measurement System
[2] Design Principles for Accurate Passive Measurement
[3] Evaluation and Characterization of Available Bandwidth Probing Techniques
[4] System Capability Effects on Algorithms for Network Bandwidth Measurement
[5] Towards Tunable Measurement Techniques for Available Bandwidth
[6] Eliminating receive livelock in an interrupt-driven kernel
[7] Effects of Interrupt Coalescence on Network Measurements
[8] Estimating the Impact of Interrupt Coalescing Delays on Steady State TCP Throughput
[9] Analysis and simulation of interrupt overhead impact on OS throughput in high-speed networks
[10] PC Based Precision Timing Without GPS