OAuth 2.0 tutorial

OAuth 2.0 Tutorial | tutorials.jenkov.com


OAuth 2.0 in Azure AD @ MSDN

OpenID Connect 1.0 @ MSDN

Azure Graph Storage / Database

Using AzureGraphStore to store triples in Azure Table Storage | Richard Astbury's Blog

richorama/AzureStorageExtensions @ GitHub (C#, MIT)
A set of extensions to the Azure Storage SDK, to easily enable new types of storage, as abstractions over existing services.
AzureGraphStore: 
An extension to the .NET SDK for Windows Azure Storage which adds a triple store abstraction over Table Storage. In simple terms, it makes it easy to use Table Storage as a graph database.

or just get Linux VM with Ne04j, leading Graph database, pre-installed...

Neo4j 2.0.1 Community Released on Windows Azure VM Depot - Neo4j Graph Database
(last updated in 2014)

historical trend of graph DBMS popularity @ db-engines.com

It is not the same thing, though: Azure Storage is "service" vs classic database "servers", just running on the cloud. Examples Azure DocumentDB vs MongoDB, Azure SQL Database vs SQL Server.

So there may be a space for "Graph-like Database as as Service" in particular for IoT-like scenarios.

What is a Graph Database? - Neo4j Graph Database



Graph database - Wikipedia, the free encyclopedia


Microsoft has various other "Graphs" that are not databases:

Microsoft Graph - Home
Users, Groups, Mail, Calendars, Contacts, Files, Tasks, People, Notes and more - all from a single endpoint

Active Directory Graph API REST

API for Azure AD