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Single Sign On: WS-Fed and SAML

Single Sign On: WS-Fed and SAML

Single Sign On: WS-Fed and SAML

31 / Jan / 2017    Ratheesh KrishnaGeeth

This is the second in the series of articles on authentication & SSO. The first one can be accessed here:
Back to Basics – Authentication & SSO

In this series we will look into the various protocols and mechanisms used for authentication. You might have heard of one or more or all of the following names:  

WS-Federation, SAML, OAuth, Open ID, Open ID Connect etc.

Well, what exactly are these? At a high level all these are federated validation mechanisms. But why so many protocols? Let us start by looking at two veterans in this area – WS-Federation & SAML (Sorry Kerberos)

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Back to Basics - Authentication & SSO

Back to Basics - Authentication & SSO

Back to Basics - Authentication & SSO

17 / Jan / 2017    Ratheesh KrishnaGeeth

I recently started working with a customer on defining the authentication mechanism for a multi-tenant SaaS solution. During the conversation, we discussed about implementing claims based security using Office 365 AD tenant and I could see the befuddlement in his face of developers as if I am speaking Elvish. So I decided to write a series on application security & authorization. This blog is the first in the series.

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NoSQL Solution Series - Part 4

NoSQL Solution Series - Part 4

NoSQL Solution Series - Part 4

10 / May / 2016    Ratheesh KrishnaGeeth

In the part 3 of the series we looked at CAP theorem and why we cannot have all three applied to a database solution at the same time. In this series we will try to classify the No SQL solution from the perspective of CAP theorem. This clarity will help you make the right database decision by analyzing CAP from your requirement perspective.

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NoSQL Solution Series - Part 3

NoSQL Solution Series - Part 3

NoSQL Solution Series - Part 3

28 / Mar / 2016    Ratheesh KrishnaGeeth

In this section I would like to analyze some of the theorems and concepts driving data architecture, how they have evolved and why understanding of these are essential if you are looking to design or architect a database solution. Also I would like to remove some misunderstandings that is common when talking about these concepts. So without further ado, let’s get going.

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NoSQL Solution Series - Part 2

NoSQL Solution Series - Part 2

NoSQL Solution Series - Part 2

21 / Dec / 2015    Ratheesh KrishnaGeeth

Now that we have already looked at what NoSQL is, let us try to look into the classifications of NoSQL in this part. There are 4 basic types of NoSQL and the same are listed below:

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NoSQL Solution Series - Part 1

NoSQL Solution Series - Part 1

NoSQL Solution Series - Part 1

15 / Dec / 2015    Ratheesh KrishnaGeeth

NoSQL is something that we hear about a lot these days. In a series of articles, I will try to highlight what, when and why we need NoSQL solutions. Also there are several NoSQL options available in Azure. We will try to explore each of these and try to understand when to use which solution.

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Integrate your application authentication with Office 365

Integrate your application authentication with Office 365

Integrate your application authentication with Office 365

25 / Nov / 2015    Ratheesh KrishnaGeeth

Most of us working with Office 365 usually manage users through the O365 Admin Center portal. Did you know that Microsoft Azure Active Directory (AAD) is the directory store that is powering O365 for user management.

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The evolved Office 365 Enterprise E5

The evolved Office 365 Enterprise E5

The evolved Office 365 Enterprise E5

24 / Nov / 2015    Ratheesh KrishnaGeeth

Recently Microsoft announced that the Office 365 Enterprise E4 plan will be replaced by the new “E5” plan before end of this calendar year.

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