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Azure for Architects
Azure for Architects

Azure for Architects: Create secure, scalable, high-availability applications on the cloud , Third Edition

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Profile Icon Modi Profile Icon Rithin Skaria Profile Icon Jack Lee
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Profile Icon Modi Profile Icon Rithin Skaria Profile Icon Jack Lee
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Full star icon Full star icon Full star icon Half star icon Empty star icon 3.5 (4 Ratings)
Paperback Jul 2020 698 pages 3rd Edition
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Azure for Architects

2. Azure solution availability, scalability, and monitoring

Architectural concerns, such as high availability and scalability, are some of the highest-priority items for any architect. This is common across many projects and solutions. However, this becomes even more important when deploying applications to the cloud because of the complexity involved. Most of the time, the complexity does not come from the application, but from the choices available in terms of similar resources on the cloud. The other complex issue that arises from the cloud is the constant availability of new features. These new features can almost make an architect's decisions completely redundant in hindsight.

In this chapter, we will look at an architect's perspective in terms of deploying highly available and scalable applications on Azure.

Azure is a mature platform that provides a number of options for implementing high availability and scalability at multiple levels...

High availability

High availability forms one of the core non-functional technical requirements for any business-critical service and its deployment. High availability refers to the feature of a service or application that keeps it operational on a continuous basis; it does so by meeting or surpassing its promised service level agreement (SLA). Users are promised a certain SLA based on the service type. The service should be available for consumption based on its SLA. For example, an SLA can define 99% availability for an application for the entire year. This means that it should be available for consumption by users for 361.35 days. If it fails to remain available for this period, that constitutes a breach of the SLA. Most mission-critical applications define their high-availability SLA as 99.999% for a year. This means the application should be up, running, and available throughout the year, but it can only be down and unavailable for 5.2 hours...

Azure high availability

Achieving high availability and meeting high SLA requirements is tough. Azure provides lots of features that enable high availability for applications, from the host and guest OS to applications using its PaaS. Architects can use these features to get high availability in their applications using configuration instead of building these features from scratch or depending on third-party tools.

In this section, we will look at the features and capabilities provided by Azure to make applications highly available. Before we get into the architectural and configuration details, it is important to understand concepts related to Azure's high availability.

Concepts

The fundamental concepts provided by Azure to attain high availability are as follows:

  • Availability sets
  • The fault domain
  • The update domain
  • Availability zones

As you know, it's very important that we design solutions to be highly available...

Architectural considerations for high availability

Azure provides high availability through various means and at various levels. High availability can be at the datacenter level, the region level, or even across Azure. In this section, we will go through some of the architectures for high availability.

High availability within Azure regions

The architecture shown in Figure 2.6 shows a high-availability deployment within a single Azure region. High availability is designed at the individual resource level. In this architecture, there are multiple VMs at each tier connected through either an application gateway or a load balancer, and they are each part of an availability set. Each tier is associated with an availability set. These VMs are placed on separate fault and update domains. While the web servers are connected to application gateways, the rest of the tiers, such as the application and database tiers, have internal load balancers...

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Key benefits

  • Get familiar with the different design patterns available in Microsoft Azure
  • Develop Azure cloud architecture and a pipeline management system
  • Get to know the security best practices for your Azure deployment

Description

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.

Who is this book for?

If you are a cloud architect, DevOps engineer, or a developer looking to learn about the key architectural aspects of the Azure cloud platform, this book is for you. A basic understanding of the Azure cloud platform will help you grasp the concepts covered in this book more effectively.

What you will learn

  • Understand the components of the Azure cloud platform
  • Use cloud design patterns
  • Use enterprise security guidelines for your Azure deployment
  • Design and implement serverless and integration solutions
  • Build efficient data solutions on Azure
  • Understand container services on Azure
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Length: 698 pages
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Table of Contents

20 Chapters
1. Getting started with Azure Chevron down icon Chevron up icon
2. Azure solution availability, scalability, and monitoring Chevron down icon Chevron up icon
3. Design pattern – Networks, storage, messaging, and events Chevron down icon Chevron up icon
4. Automating architecture on Azure Chevron down icon Chevron up icon
5. Designing policies, locks, and tags for Azure deployments Chevron down icon Chevron up icon
6. Cost management for Azure solutions Chevron down icon Chevron up icon
7. Azure OLTP solutions Chevron down icon Chevron up icon
8. Architecting secure applications on Azure Chevron down icon Chevron up icon
9. Azure Big Data solutions Chevron down icon Chevron up icon
10. Serverless in Azure – Working with Azure Functions Chevron down icon Chevron up icon
11. Azure solutions using Azure Logic Apps, Event Grid, and Functions Chevron down icon Chevron up icon
12. Azure Big Data eventing solutions Chevron down icon Chevron up icon
13. Integrating Azure DevOps Chevron down icon Chevron up icon
14. Architecting Azure Kubernetes solutions Chevron down icon Chevron up icon
15. Cross-subscription deployments using ARM templates Chevron down icon Chevron up icon
16. ARM template modular design and implementation Chevron down icon Chevron up icon
17. Designing IoT solutions Chevron down icon Chevron up icon
18. Azure Synapse Analytics for architects Chevron down icon Chevron up icon
19. Architecting intelligent solutions Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.5
(4 Ratings)
5 star 50%
4 star 0%
3 star 0%
2 star 50%
1 star 0%
EZIO GAVA May 23, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Really comprehensive book. I found it useful to prepare for the exam
Amazon Verified review Amazon
Marie Conti Oct 11, 2020
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Wer hier einen praktischen Ratgeber oder praktische Beispiele sucht, sucht tatsächlich vergebens. Das Buch setzt also einige praktische Handhabung mit Azure definitiv voraus. Dafür beleuchtet es aber alles, was ein Architekt, der Bereitstellungen mit Azure planen muss, wissen muss. Das Buch mit seinen knapp 700 Seiten covert nicht nur native Azure-Themen, sondern widmet auch einige Kapitel den Bereitstellungen mit OLTP Solutions, Data Integration und Azure Synapse. Ebenso ausführlich wird Azure Security besprochen, und zum vielgefragten Thema Cost Management gibt es ein eigenes Kapitel. Absolut kein Buch für Einsteiger und auch kein Hand On - wer mehr Beispiele möchte, kann den Titel zu AZ-300 aus dem gleichen Verlag beiziehen. Für Architekten hingegen fundiert und gelungen.
Amazon Verified review Amazon
Travis Sep 03, 2020
Full star icon Full star icon Empty star icon Empty star icon Empty star icon 2
I was hoping that as a cloud professional, this book might help elevate me into a more senior cloud position by showing/teaching me new skills that I could use. Instead, it's essentially the Microsoft Azure docs lifted into book form - even a lot of the PowerShell examples are identical to the examples in Microsoft's documentation (they're tweaked just enough that it's borderline plagiarism). For example, on page 150 in the book, when providing sample PowerShell for using Update-AzTag, they use literally the same example Microsoft uses in their documentation for New-AzTag. I'm returning this book because it's borderline piracy, highly unethical, and serves literally zero purpose. I can't believe a legitimate publisher greenlit this.
Amazon Verified review Amazon
tiankong Nov 25, 2020
Full star icon Full star icon Empty star icon Empty star icon Empty star icon 2
This book just packed with examples from Microsoft documentation. I do not see what he wants to pass to fellow architects. You gain nothing from reading this book, just waste your time.
Amazon Verified review Amazon
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