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From Ted Zlatanov <>
Subject Re: Cassandra access control
Date Wed, 02 Dec 2009 21:27:00 GMT
On Wed, 02 Dec 2009 14:35:09 -0600 Eric Evans <> wrote: 

EE> On Wed, 2009-12-02 at 14:27 -0600, Ted Zlatanov wrote:
>> On Wed, 02 Dec 2009 14:14:53 -0600 Eric Evans <> wrote:

EE> Did you maybe mean...?  AuthenticationRequest required for the
EE> method (has to be), but the map is optional?
>> Either way will work.  With your suggestion and allowing for auth
>> backends to modify the authentication request:

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.


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