∫ntegrabℓε ∂iﬀerentiαℓs · unorganised notes, code, and writings of random topics

Presentation Zen: Simple Ideas on Presentation Design and Delivery

Garr Reynolds / 2008

January 20, 2012 book

“It is more difficult to process information if it is coming at you both verbally and in written form at the same time” — John Sweller. [more]

Python

January 19, 2012 blog code

This is how I learnt Python. [more]

The tool bwm-ng is the bandwidth monitoring tool that I frequently used. From time to time, I wondered how the bandwidth is measured. I digged up the code to find it out today. It is based on a periodic pooling of network resources for the byte count. The following is... [more]

Mathis & Mahdavi (1996) Forward Acknowledgement: Refining TCP Congestion Control (CCR)

January 6, 2012 paper

FACK TCP is using SACK option for better recovery. It decouples the congestion control from data recovery algorithms, i.e. when and how much data to send vs what to send. [more]

The Design Pattern in NS-3 Random Variables

December 27, 2011 blog code

I saw a very useful pattern in the random variable design in NS-3, but I can’t remember the name for such pattern. It goes as follows: [more]