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Category: Distributed Computing

Computer Science/Distributed Computing

Distributed system snapshots: consistent vs inconsistent cuts

Posted on February 13, 2021 by Matt Chung

In “Consistent Global States of Distributed Systems: Fundamental Concepts and Mechanisms”, the authors propose capturing a distributed system’...

Distributed Computing

PAXOS (not) made simple

Posted on February 11, 2021 by Matt Chung

Leslie Lamport, a world renounced computer scientist, first published the paper “Part-time parliament” back in 1990. Unfortunately, that paper well ...

Computer Science/Distributed Computing

The FLP theorem: impossibility of achieving consensus within distributed systems

Posted on February 8, 2021 by Matt Chung

For this week, my distributed systems course just assigned us students a reading assignment: “Impossibility of distributed consensus with one faulty proce...

Computer Science/Distributed Computing/Thinking out loud

Why is Lamport’s Scalar Clock only consistent, not strongly consistent?

Posted on January 22, 2021 by Matt Chung

For the last couple days, I’ve been watching the distributed systems video lectures and reading the recommended papers that cover logical clocks. Even aft...

Computer Science/Distributed Computing

8 fallacies of distributed computing

Posted on January 17, 2021 by Matt Chung

Rotem-Gal-Oz, A. (2005). Fallacies of Distributed Computing Explained. Cognitive biases (built-in patterns of thinking) and fallacies (errors in thoughts) creep...

Distributed Computing/Graduate School

What are good models and what models are good?

Posted on January 16, 2021 by Matt Chung

Schneider, F. B. (1993). What good are models and what models are good. Distributed Systems, 2, 17–26. Paper Summary In his seminal paper on models (as they app...

Distributed Computing/Graduate School

Distributed Computing – Lesson 1 Summary

Posted on January 15, 2021 by Matt Chung

Summary Distributed systems are everywhere: social media, internet of things, single server systems — all part of larger, distributed systems. But how do you de...

Distributed Computing

Spring 2021: Distributed Computing

Posted on January 15, 2021 by Matt Chung

Yes! I’m finally registered for the distributed computing course. This course is hot off the press! It’s spanking brand new to the OMSCS program and...

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