Heartbeat | HTTP Keep-Alive | System Design

Discover the essential concept of Heartbeat in distributed systems, a critical mechanism for ensuring high availability, load balancing, and network reliability in System Design.

In this comprehensive video, we'll explore various heartbeat implementations, including Simple Pings, Gossip Protocols, and Leader-Based Heartbeats. Learn how these mechanisms help detect failures, trigger failover, and maintain system health. We'll also discuss practical examples from real-world scenarios, such as load balancing microservices and network routing.


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Timestamps -
00:00 - Introduction
00:56 - Context
01:33 - Routing
01:54 - Failure Detection
03:45 - Heartbeat Detection Mechanisms
05:26 - Heartbeat Message
06:33 - Gossip Protocols
07:02 - Content Delivery Network (CDN)
08:19 - Leader Election
09:42 - Load Balancing Microservices
10:16 - Network Routing & Infrastructure
10:40 - Frequency
11:08 - HeartBeat Frequency Set Too High
11:44 - HeartBeat Frequency Set Too Low
12:17 - Finding The Sweet Spot

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