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From Eric Evans <eev...@rackspace.com>
Subject Re: Cassandra access control
Date Wed, 02 Dec 2009 21:38:14 GMT
On Wed, 2009-12-02 at 15:27 -0600, Ted Zlatanov wrote:
> EE> Let's not do that; as Robin pointed out...
> 
> EE> "...there's no way to ensure immediate consistency of tokens
> across all
> EE> nodes, it's probably not worth the effort of making Cassandra
> "token
> EE> aware", since an application would have to provide fall-back logic
> to
> EE> authenticate with credentials, if the token fails.  So, tokens
> would
> EE> probably just add complexity without much benefit."
> 
> I'd still rather pass something back.  As I said, it allows backends
> to
> maintain state when it makes sense to do so and can alleviate the
> problem of redundant auth queries in the future. 

If not for SSO via shared-state between nodes, then for what? Can you
give a tangible example of "when it makes sense to do so"? Are you sure
this isn't YAGNI? 


-- 
Eric Evans
eevans@rackspace.com


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