The availability of cloud platforms like Windows Azure and the flexibility these offer makes it easier than ever to build highly scalable applications and services. It also gives developers access to an unseen level of scale and the ability to reach a bigger number of users. An important aspect to reach this scale is to embrace the “Bring Your Own Device” principle, where users will use your application from three screens: a phone, a tablet and a computer.
To allow users to connect to your applications and to enable new extension scenarios, a solid Application Programming Interface is a must. It opens up all or partial functionalities in a controlled and secure way, built upon the HTTP standards which are supported in virtually any environment.
In this session we will have a look at how you can start building your own API using ASP.NET MVC 4 Web Api, run it on Windows Azure and open up your services for multiple devices. We will see how easily you can re-use your MVC knowledge to build a solid API, how you can configure and extend the framework and how nicely it fits into the Windows Azure Platform. To secure our API, we will go through the OAuth protocol, which is an open and secure way to authorize API calls. To conclude we will talk about the various options you have when passing data back and forth, which formats you can use and what the impact on bandwidth could be, which is very important in scalable and cloud based scenarios.
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