Error Detection and Correction Mechanisms
Error detection and correction mechanisms are essential for maintaining data integrity in client-server communication. They ensure that any data corrupted during transmission is identified and corrected.
Below are several key mechanisms used in distributed systems:
- Checksums: Checksums generate a small value from a block of data. The sender includes this value with the data, and the receiver recalculates it to verify integrity.
- Cyclic Redundancy Check (CRC): CRC is a more advanced form of checksum. It uses polynomial division to detect errors in transmitted messages.
- Parity Bits: Parity bits add an extra bit to data to make the number of set bits either even or odd. This helps detect single-bit errors.
- Hamming Code: Hamming code adds redundant bits to data. It detects and corrects single-bit errors and detects two-bit errors.
- Automatic Repeat reQuest (ARQ): ARQ protocols, like Stop-and-Wait and Go-Back-N, request retransmission of corrupted or lost packets. This ensures reliable delivery.
- Forward Error Correction (FEC): FEC adds redundant data to enable the receiver to detect and correct errors without needing retransmission.
Reliable Client-Server Communication in a Distributed System
Reliable client-server communication in a distributed system refers to the dependable exchange of data between clients and servers across a network. Ensuring this reliability is critical for maintaining system integrity, consistency, and performance.
- Challenges like network latency, packet loss, and data corruption can hinder effective communication. Addressing these issues involves using robust protocols and error-handling techniques.
- In this article, we will explore the importance of reliable communication, common challenges, and the best practices for achieving it in distributed systems.
Important Topics for Reliable Client-Server Communication in a Distributed System
- Importance of Reliable Communication
- Common Challenges in Client-Server Communication
- Protocols and Techniques for Reliable Communication
- Error Detection and Correction Mechanisms
- Examples of Reliable Client-Server Communication
- Best Practices for Reliable Client-Server Communication in a Distributed System