Welcome to the course notes on Distributed Systems Consensus. In this course package, we study the theoretical foundations and implementation details of fault-tolerant distributed consensus protocols.

Course Objectives

By the end of this study guide, you will understand:

  1. The challenges of building software on independent, unreliable nodes.
  2. The core mechanisms of leader election and log replication in Raft.
  3. The boundary conditions, safety invariants, and implementation pitfalls.

Course Chapters

Use the index outline on the side to browse individual chapters:

  • Chapter 1: Raft Leader Election & Randomized Timeouts
  • Chapter 2: Raft Log Replication & Commit Safety Invariants

Select any chapter from the sidebar or click below to begin reading.