Book Image

Azure for Architects - Third Edition

By : Ritesh Modi, Jack Lee, Rithin Skaria
Book Image

Azure for Architects - Third Edition

By: Ritesh Modi, Jack Lee, Rithin Skaria

Overview of this book

Thanks to its support for high availability, scalability, security, performance, and disaster recovery, Azure has been widely adopted to create and deploy different types of application with ease. Updated for the latest developments, this third edition of Azure for Architects helps you get to grips with the core concepts of designing serverless architecture, including containers, Kubernetes deployments, and big data solutions. You'll learn how to architect solutions such as serverless functions, you'll discover deployment patterns for containers and Kubernetes, and you'll explore large-scale big data processing using Spark and Databricks. As you advance, you'll implement DevOps using Azure DevOps, work with intelligent solutions using Azure Cognitive Services, and integrate security, high availability, and scalability into each solution. Finally, you'll delve into Azure security concepts such as OAuth, OpenConnect, and managed identities. By the end of this book, you'll have gained the confidence to design intelligent Azure solutions based on containers and serverless functions.
Table of Contents (21 chapters)
20
Index

VM scale sets

VMSSes are Azure compute resources that you can use to deploy and manage a set of identical VMs. With all VMs configured in the same way, scale sets are designed to support true autoscaling, and no pre-provisioning of VMs is required. It helps in provisioning multiple identical VMs that are connected to each other through a virtual network and subnet.

A VMSS consists of multiple VMs, but they are managed at the VMSS level. All VMs are part of this unit and any changes made are applied to the unit, which, in turn, applies it to those VMs that are using a predetermined algorithm:

A VM Scale set
Figure 2.12: A VM scale set

This enables these VMs to be load balanced using an Azure load balancer or an application gateway. The VMs could be either Windows or Linux VMs. They can run automated scripts using a PowerShell extension and they can be managed centrally using a state configuration. They can be monitored as a unit, or individually...