Module Overview

1. Module Overview

In this module, we focus on load balancing and autoscaling. Cloud Load Balancing gives you the ability to distribute load-balanced compute resources in single or multiple regions to meet your high availability requirements, to put your resources behind a single anycast IP address, and to scale your resources up or down with intelligent autoscaling. Using Cloud Load Balancing, you can serve content as close as possible to your users on a system that can respond to over 1 million queries per second. Cloud Load Balancing is a fully distributed, software-defined, managed service. It isn't instance- or device based, so you don't need to manage a physical load balancing infrastructure. Application Load Balancers and Network Load Balancers are two primary types of load balancers offered by Google Cloud, each designed for specific use cases. Application Load Balancers operate at the application layer, Layer 7, of the OSI model. They are ideal for applications that require load balancing based on HTTP(S) headers, cookies, or URL paths. Application Load Balancers provide features like SSL/TLS termination session affinity, and content-based routing. Network Load Balancers operate at the network layer (Layer 4) of the OSI model. They are suitable for load balancing based on IP addresses and ports. Network Load Balancers are often used for TCP and UDP traffic, as well as for scenarios where low latency and high throughput are critical. They support features like TCP/UDP load balancing and health checks. For more information on load balancers, please refer to the documentation link in the Course Resources. In this module, we cover the different types of load balancers that are available in Google Cloud. We also go over managed instance groups and their autoscaling configurations, which can be used by these load balancing configurations. You explore many of the covered features and services throughout the two labs of this module. The module wraps things up by helping you determine which Google Cloud load balancer best meets your needs.

2. Let's practice!

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