Classical Distributed Algorithms and the Industry Systems
The module focuses on classical distributed algorithms essential for building robust and scalable cloud computing systems. It delves into the foundational challenges like time synchronization, global state recording, and mutual exclusion, demonstrating their theoretical and practical significance in cloud infrastructures. Additionally, it explores various algorithms for achieving these objectives and highlights real-world examples like Google's Chubby distributed lock service.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Clock synchronization is critical in distributed systems to prevent data divergence and maintain the integrity of transactions.
- Global state recording in distributed systems is complex due to the lack of a shared clock and memory, requiring algorithms like Chandy-Lamport for consistent state capture.
- Mutual exclusion algorithms protect shared resources in distributed systems, preventing conflicts and ensuring data integrity, with various strategies existing for achieving this.
Key Concepts
- -- Time Synchronization
- A method of synchronizing the independent clocks of multiple computational nodes in a distributed system to ensure consistent operation and event ordering.
- -- ChandyLamport Algorithm
- A distributed snapshot algorithm that captures a consistent global state of a system by marking messages and recording local states without needing a global clock.
- -- Mutual Exclusion
- A principle in distributed computing that ensures only one process accesses shared resources at a time, preventing race conditions and ensuring data consistency.
- -- Paxos Consensus Protocol
- An algorithm used for achieving consensus in a network of unreliable processors, ensuring that a majority agreement is reached before committing changes.
- -- Lamport Timestamps
- A method for assigning logical timestamps in distributed systems to maintain a causal ordering of events without relying on synchronized physical clocks.
Additional Learning Materials
Supplementary resources to enhance your learning experience.