December 2020
Intermediate to advanced
109 pages
2h 45m
English
Content preview from Application Delivery and Load Balancing in Microsoft Azure
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Chapter 4. NGINX and Microsoft Managed Options
Microsoft Azure provides a number of different proxy-like, data plane–level services that forward a request or connection through different networking layers, load balancing and applying rules along the way. NGINX provides much of the same functionality as these services but can reside deeper in the stack, and it has less configuration limitation. When delivering applications hosted in Microsoft Azure, you need to determine what controls are needed where, and how best to provide them.
Most of the time the right answer is not one service or the other, but a mix. By layering proxy-like services in front of your application, you’re able to maintain more control and distribute the incoming load. The Azure services are meant to complement one another by being layered throughout the stack. NGINX is interchangeable with the Azure services that reside in the Azure Virtual Network. A major added value of Azure managed services is that because they are managed, they do not require maintenance and care on your part.
The Azure managed services that provide proxy-like, data plane–level services are Azure Front Door, CDN Profiles, Application Gateway, and Load Balancer. All of them have valid use cases, some have overlapping features, and they all can be frontends for NGINX. Azure Front Door is covered in depth in Chapter 5; the present chapter will focus on Azure Load Balancer, the Application Gateway, and the integration with Azure WAF policies. ...
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