Weitao Wang's Homepage

「Engineering Cybernetics Believer」

Can We Achieve Zero Queuing, Full Utilization, and Fast Convergence Simutaneously?

Tl;DR: Any distributed congestion control algorithm is not able to achieve zero queuing, full utilization, and fast convergence to fairness at the same time. The inherent reason is that any congest...

Why is Sub-RTT Congestion Control NOT Good?

Tl;DR: The fluid model allocates the bandwidth based on the most congested hop, sub-RTT CC usually didn’t get the congestion information from all the hops (otherwise, it will just become RTT), so t...

Revisit Congestion Control

Will be updated at the end of the year.

View network as a part of the operating system

View network as a part of the OS Nowadays, the latency requirement and the throughput desire on the data center network keep increasing, along with the new technologies like NVMe, Optane memory, i...

Seaborn Color Palettes

Seaborn Color Palettes I love Seaborn’s color, but I need more customization from the Matplotlib, so I find out the color palettes of Seaborn and post here. 1 2 3 4 5 6 7 color_pastel = [u'#a1c...

Do not hold back your progress with what you already achieved

“Success comes from curiosity, concentration, perseverance and self criticism.” — Albert Einstein Most of the people with some achievements have curiosity, concentration, and perseverance. It ...

Why I am a believer of Engineering Cybernetics

“The purpose of “Engineering Cybernetics” is then to study those parts of the broad science of cybernetics that have direct engineering applications in designing controlled or guided systems. It...