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COM SCI 134 · CS 134Distributed Systems

Computer Science · 4 units · Undergraduate upper division (100-199)

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Covers fundamental concepts regarding design and implementation of distributed systems. Topics include synchronization (e.g., clock synchronization, logical clocks, vector clocks), failure recovery (e.g., snapshotting, primary-backup), consistency models (e.g., linearizability, eventual, causal), consensus protocols (e.g., Paxos, Raft), distributed transactions, and lock. Students gain hands-on, practical experience through multiple programming assignments that work through steps of creating fault-tolerant, sharded key/value store. Exploration of how these concepts have manifested in several real-world, large-scale distributed systems used by Internet companies like Google, Facebook, and Amazon.

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When it runs

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Requisites

Official UCLA wording

Enforced requisite: course 118.

BruinTree reads · Prerequisite

confidence 1.00 · from text
COM SCI 118

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

COM SCI 134

  • COM SCI 118Computer Network Fundamentals
    • COM SCI 111Operating Systems Principles
      • COM SCI 32Introduction to Computer Science II1 more beneath
      • COM SCI 33Introduction to Computer Organization
      • COM SCI 35LSoftware Construction1 more beneath

1 direct requisite. Showing 5 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

No course in the catalog lists this as a requisite.

  • Fall 2025
  • Spring 2026
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.