SAML vs. WS-Federation

Following my recent post on the (very) quiet publication of W-Federation, I was pointed at this excellent document that compares SAML and WS-Federation and explains why SAML is a better choice. This document is even more remarkable when one notices that it has been written by people working for the Government of Denmark obviously an impartial 3rd party.

I highly recommend this reading if you're in the process of selecting technology for identity federation or if you're just interested in understanding both specifications and some of their key differences. For those who don't have time I'm reproducing the main table in the Danish document below (I did not ask for permission but hopefully it's ok...):

 requirements  SAML2.0  WS-Federation
 Functionality related to requirements
Equal Equal 
 Support of the standard in commercially available products
 Advantage  
 Microsoft support
   Advantage
 Proven usability from use in solutions in production
 Advantage  
 Assessments by analyst companies
 Advantage  
 Based on an adopted standards (e.g. within OASIS)
 Advantage  
 Interaction with the other adopted standards, XACML and SPML  Advantage  
 Future development of the standard  Consolidation is expected
 Consolidation is expected
 Third party Interop Testing/Interoperability Certification  Advantage  

 

The document goes into more detail for each of those requirements and how the came to the conclusion presented in the table. I think this is a fair assessment of the situation!

 

Comments:

You really should have trackback turned on... http://duckdown.blogspot.com/2006/12/integrity-in-comparing-saml-vs-ws.html

Posted by james on December 22, 2006 at 06:40 AM PST #

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