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CAP Theorem

Pubblico: Software EngineerCategoria: Computer Science

Descrizione

Explains the CAP theorem through an animated distributed system with 3 nodes. A network partition is triggered, and the animation shows the trade-off: choosing CP sacrifices availability while choosing AP allows divergence. Real-world systems are labeled with their CAP classification.

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CAP Theorem

Description

Explains the CAP theorem through an animated distributed system with 3 nodes. A network partition is triggered, and the animation shows the trade-off: choosing CP sacrifices availability while choosing AP allows divergence. Real-world systems are labeled with their CAP classification.

Phases

# Phase Name Duration Description
1 Intro 3s Title displayed
2 CAP Triangle 6s Animated triangle showing Consistency, Availability, Partition Tolerance
3 System Setup 4s 3-node distributed system shown with links
4 Network Partition 5s Link between nodes breaks (shown as red X)
5 CP Choice 8s System rejects writes; nodes show same value; "consistent"
6 AP Choice 8s Writes accepted; nodes diverge (different values); "available"
7 Real Systems 8s Label HBase=CP, Cassandra=AP, Zookeeper=CP, DynamoDB=AP
8 Outro 4s CAP theorem statement displayed

Layout

+--------------------------------------------------+
|  Title: CAP Theorem                              |
+--------------------------------------------------+
|                                                  |
|  CAP Triangle:                                   |
|        Consistency                               |
|           /\                                     |
|          /  \                                    |
|         /    \                                   |
|  Partition----Availability                       |
|  Tolerance                                       |
|                                                  |
|  3-node system:   N1 ---- N2                     |
|                    \     /                       |
|                     \   /                        |
|                      N3                          |
|                                                  |
|  Right panel: CP vs AP comparison                |
+--------------------------------------------------+

Area Descriptions

  • Left: CAP Venn triangle
  • Center: Distributed node diagram
  • Right: CP vs AP comparison panel with real systems

Assets & Dependencies

  • Fonts: LaTeX / sans-serif
  • Manim version: ManimCE 0.19.1

Notes

  • Network partition shown as a jagged break in the connecting line
  • CP choice: nodes go gray/locked, error message shown for writes
  • AP choice: nodes show divergent values (v=1 vs v=2) with different colors
  • Real system labels styled as code-like tags