Very much agree that authorization is a more domain-specific problem than authentication... but there are some common patterns that are emerging, and can help r

Very much agree that authorization is a more domain-specific problem than authentication... but there are some common patterns that are emerging, and can help reduce how much wheel reinvention has to happen. There are (at least) three of us startups on this thread that are trying to tackle this :) (disclaimer - I'm a co-founder of one of these - Aserto).