Glossary of terms
Cloud Load Balancing is a service provided by cloud computing platforms that distributes incoming network traffic across multiple servers or instances to ensure optimal resource utilization, maximize throughput, minimize response time, and avoid overload on any single resource.
1. Traffic Distribution: Automatically distributes incoming requests across multiple servers or instances.
2. Health Checks: Regularly monitors the health of backend servers and routes traffic only to healthy instances.
3. Scalability: Easily scales up or down to handle varying levels of traffic.
4. Global Load Balancing: Can distribute traffic across multiple regions or data centers for improved performance and disaster recovery.
5. SSL/TLS Termination: Handles SSL/TLS encryption and decryption, offloading this task from backend servers.
6. Session Persistence: Ensures that subsequent requests from a user are directed to the same backend server.
7. Content-Based Routing: Can route requests based on specific content or rules (e.g., URL paths, HTTP headers).
8. Auto-scaling Integration: Works in conjunction with auto-scaling services to dynamically adjust the number of backend instances.
9. Logging and Monitoring: Provides detailed logs and metrics for traffic analysis and performance monitoring.
10. DDoS Protection: Often includes built-in protection against Distributed Denial of Service attacks.
1. Application Layer (Layer 7) Load Balancing: Distributes requests based on application-specific data such as HTTP headers, cookies, or URL patterns.
2. Network Layer (Layer 4) Load Balancing: Distributes traffic based on IP protocol data, such as IP address and port number.
3. Global Server Load Balancing (GSLB): Distributes traffic across multiple data centers or geographical regions.
4. Internal Load Balancing: Balances traffic within a private network or between different components of an application.
5. External Load Balancing: Manages incoming traffic from the internet to your applications.
6. Cross-Platform Compatibility: Can work with various cloud providers and on-premises infrastructure.
7. Multi-Cloud Load Balancing: Capable of distributing traffic across multiple cloud platforms for hybrid or multi-cloud setups.
8. Container and Microservices Support: Provides load balancing for containerized applications and microservices architectures.
9. Serverless Function Load Balancing: Distributes requests to serverless functions or FaaS (Function as a Service) instances.
10. Cost Optimization: Helps in efficient resource utilization, potentially reducing overall infrastructure costs.
Cloud Load Balancing plays a crucial role in ensuring high availability, fault tolerance, and optimal performance of applications and services hosted in cloud environments.
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