graph TD
    A[Distributed Systems] --> B[Fundamentals]
    A --> C[Advanced Topics]
    A --> D[Database Evolution]
    A --> E[Modern Infrastructure]

    B --> F[Key Concepts]
    B --> G[Landmark Papers]
    B --> H[Distributed Algorithms]

    C --> I[System Design Patterns]
    C --> J[Streaming Systems]
    C --> K[Machine Learning in Distributed Systems]
    C --> L[Monitoring and Tracing]

    D --> M[Relational Databases]
    D --> N[NoSQL Movement]
    D --> O[NewSQL]

    E --> P[Containerization]
    E --> Q[Serverless Computing]
    E --> R[Service Mesh]

    N --> S[Document Stores]
    N --> T[Key-Value Stores]
    N --> U[Column-Family Stores]
    N --> V[Graph Databases]

    F --> W[CAP Theorem]
    F --> X[Consensus]
    F --> Y[Replication]
    F --> Z[Partitioning]

    G --> AA[Google File System]
    G --> AB[MapReduce]
    G --> AC[BigTable]
    G --> AD[Dynamo]

    H --> AE[Paxos]
    H --> AF[Raft]
    H --> AG[Two-Phase Commit]

    I --> AH[SAGA Pattern]
    I --> AI[Event Sourcing]
    I --> AJ[CQRS]

    J --> AK[Kafka]
    J --> AL[Flink]

    L --> AM[Prometheus]
    L --> AN[Jaeger]

    O --> AO[Google Spanner]
    O --> AP[CockroachDB]

    P --> AQ[Docker]
    P --> AR[Kubernetes]