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Distributed Systems & Consensus

Distributed Systems Architecture

Master distributed systems engineering from network fundamentals to multi-region Raft consensus, distributed databases, sharding, and fault-tolerant architecture.

Distributed Systems Architecture
Est. Duration
~8 Hours
Curriculum
10 Chapters • 40 Lessons
Capstones
7 Global Arena
Total Bounty
+845 XP
Your Progress0 of 40 Lessons (0%)

Start Here:Chapter 1.1 — What is a Distributed System?

Start Curriculum

Curriculum Syllabus

10 Chapters • 40 Lessons
1.1What is a Distributed System?
+15 XP
1.2Understanding Network Latency, Bandwidth, and Throughput
+15 XP
1.3The Fallacies of Distributed Computing
+15 XP
1.4Asynchronous Networks and Node Failure Models
+15 XP
2.1Network Sockets and the TCP/IP Stack
+15 XP
2.2REST vs gRPC and Protocol Buffers
+15 XP
2.3Connection Pooling, Keep-Alives, and Timeouts
+15 XP
2.4Designing Idempotent APIs with Unique Request IDs⚔️ Landmark Capstone
+50 XP
3.1Single-Leader Replication: Synchronous vs Asynchronous
+15 XP
3.2Single-Leader Replication Architecture: WAL Shipping, Failover, and Split-Brain
+15 XP
3.3Multi-Leader Replication and Conflict Resolution Strategies⚔️ Landmark Capstone
+50 XP
3.4Leaderless Replication: Quorums, Sloppy Quorums, and Hinted Handoff
+15 XP
4.1The CAP Theorem Explained Accurately: Consistency vs Availability
+15 XP
4.2The PACELC Theorem: Consistency vs Latency in Normal Operations
+15 XP
4.3Linearizability vs Serializability: Recency vs Isolation
+15 XP
4.4Eventual Consistency and Client Session Guarantees
+15 XP
5.1The Problem of Distributed Consensus
+15 XP
5.2The Raft Consensus Algorithm: Leader Election⚔️ Landmark Capstone
+50 XP
5.3The Raft Consensus Algorithm: Log Replication and Safety
+15 XP
5.4Log Compaction, Snapshotting, and Membership Changes
+15 XP
6.1Disk I/O Fundamentals and the Operating System Page Cache
+15 XP
6.2Write-Ahead Logging (WAL) for Crash Recovery
+15 XP
6.3B-Trees and Page-Based Storage (PostgreSQL, MySQL InnoDB)
+15 XP
6.4Log-Structured Merge-Trees (LSM-Trees) (RocksDB, Cassandra)⚔️ Landmark Capstone
+50 XP
7.1The Two-Phase Commit (2PC) Protocol
+15 XP
7.2Three-Phase Commit (3PC) and Its Practical Limitations
+15 XP
7.3The Saga Pattern for Distributed Microservices⚔️ Landmark Capstone
+50 XP
7.4Distributed Locking Mechanisms
+15 XP
8.1Horizontal Partitioning (Sharding) Fundamentals
+15 XP
8.2Range-Based Sharding vs Hash-Based Sharding
+15 XP
8.3Consistent Hashing Algorithms⚔️ Landmark Capstone
+50 XP
8.4Distributed Secondary Indexing
+15 XP
9.1Physical Clocks, NTP Skew, and Leap Seconds
+15 XP
9.2Lamport Timestamps and Logical Ordering
+15 XP
9.3Vector Clocks and Causal History
+15 XP
9.4Hybrid Logical Clocks (HLC) and Google TrueTime
+15 XP
10.1Multi-Region Active-Passive vs Active-Active Deployments
+15 XP
10.2Rate Limiting and Traffic Shedding at Scale⚔️ Landmark Capstone
+50 XP
10.3Chaos Engineering and Resiliency Testing
+15 XP
10.4Zero-Downtime Database Migration Strategies
+15 XP