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Difference between WiFi-Direct Api and Alljoyn framework

I want to create an Android application using a Wifi peer-to-peer network so that I don’t connect to the Internet and without using an access point (access point), so I wonder if it is better to use WiFi-Direct Api or the Everything infrastructure to build it? (I think this last one does the same as WiFi-Direct Api, but uses an AP). Please someone can explain this moment to me. Thank you for your help.

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AllJoyn is a higher-level platform that does most of the plumbing for you, basically you define the interface, register it, create a session and feel good. It works via IP (for example, Wi-Fi with AP) and has a special code for Wi-Fi Direct (it is not officially supported to buy), and there is a partial implementation of Bluetooth LE (but which currently requires a built-in Android phone).

Here is a description of what is officially supported on this forum: https://allseenalliance.org/developer-resources/forum/developers/how-alljoyn-works-mobile-devices

You can do it all yourself via Wi-Fi or Wi-Fi directly, but it will work a lot more (you will have to do the search, marshaling, etc. yourself).

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