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Advanced Serverless Architectures with Microsoft Azure

You're reading from   Advanced Serverless Architectures with Microsoft Azure Design complex serverless systems quickly with the scalability and benefits of Azure

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Product type Book
Published in Feb 2019
Publisher Packt
ISBN-13 9781788479127
Pages 278 pages
Edition 1st Edition
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Author (1):
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Daniel Bass Daniel Bass
Author Profile Icon Daniel Bass
Daniel Bass
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Asynchronous by Default


A lot of applications are synchronous. That is to say, when you perform an action, the program processes it and returns the answer, holding up the program and the user from doing anything else until it has returned the answer. This is the way most developers design their applications, particularly those used to REST. However, this can become a serious barrier to scalability. If your application needs to process complex requests, the time taken becomes intolerable to the end user. This is the point where most developers will decide to adjust the behavior for this request so that the synchronous part simply includes validation, and processing is done asynchronously. Asynchronous behavior is where the user performs an action and the application processes it when it has time, rather than keeping the user sitting there.

With a serverless architecture, it is a very good idea to shift your mindset. When designing applications, you should endeavor to be asynchronous by default...

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