Distributed System Overview and Fundamentals
Why Distributed Systems Matter
In today's digital landscape, distributed systems serve as the backbone of modern application architecture. By spreading applications and data across multiple machines, these systems unlock critical capabilities like high availability, scalability, and load balancing. They ensure that services remain operational even during partial failures and can grow seamlessly to meet increasing user demands.
This guide introduces the fundamental concepts essential for beginners. We explore:
- Core Characteristics: Understanding how nodes communicate and maintain consistency.
- Architectural Models: From simple clusters to complex microservices ecosystems.
- Key Challenges: Tackling issues such as latency, partial failure, and data consistency.
- Real-world Solutions: Strategies for fault tolerance and efficient resource management.
Whether you are building a global e-commerce platform or designing a cloud-native infrastructure, grasping these principles is crucial. This overview provides a solid foundation, paving the way for deeper expertise in designing robust, resilient systems that power the modern internet.
Distributed System Overview and Fundamentals
- CAP Theorem: Three Principles Cannot Be All Achieved
- Pros and Cons of NoSQL Databases
- Defining and Characteristics of Distributed Systems
- The Evolution of Distributed Systems
- Distributed vs Centralized Systems
- Application Scenarios for Distributed Systems
- Asynchronous Communication Mechanisms (Message Queues, RPC)
- Fault Tolerance Mechanisms (Redundancy and Failover)
- Consistency Models (Strong Consistency, Weak Consistency)
- Distributed Transactions (2PC, 3PC, Eventual Consistency)
- Compute Layer (Kubernetes, Docker)
- Communication Layer (Kafka, gRPC)
- Security Layer (OAuth2, TLS)
- Communication Latency and Data Consistency in Distributed Systems
- Resource Allocation and Load Balancing in Distributed Systems
- Data Sharding and Redundant Backup Strategies
- Security and Privacy