Curriculum

Building Blocks

Part 0

0.1 Welcome to ScaleCraft
0.2 What is System Design?
0.3 Interview Design vs. Production Engineering
0.4 The System Design Lifecycle

Part 1

1.1 Framing the Problem
1.2 Designing the System
1.3 Defending the Design
1.4 Driving the Interview

Part 2

2.1 From Browser to Backend
2.2 Where Can Things Go Wrong?
2.3 Evolution of Modern Architectures

Group A

3.1 Networking Fundamentals
3.2 DNS
3.3 Reverse Proxy
3.4 Load Balancer
3.5 API Gateway

Group B

3.6 Stateless Services
3.7 Sessions & State Management
3.8 Horizontal Scaling
3.9 Service Discovery

Group C

3.10 Databases
3.11 SQL vs. NoSQL
3.12 Replication
3.13 Sharding

Group D

3.14 Caching
3.15 CDN
3.16 Search Systems
R1 Checkpoint · A Site That Stays Up

Group E

3.17 Message Queues
3.18 Event-Driven Architecture
3.19 Background Jobs & Scheduling

Group F

3.20 Object Storage
3.21 File Storage
3.22 Distributed Storage Concepts

Group G

3.23 Reliability Patterns
3.24 Rate Limiting
3.25 Observability
3.26 Fault Tolerance
R2 Checkpoint · Building a Complete Backend
R3 Checkpoint · Open System Design

0.4 · Building Blocks

The System Design Lifecycle

foundational

Prerequisites0.3 Interview Design vs. Production Engineering

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