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Re:Ask HN: Getting started with Access Control (B2B web appl... by ivanyv on Monday August 10, 2009 @12:15PM (#753287)
That is an extremely broad question, and the answer depends on your application.

I suggest you outline what type of application you're building and related requirements, and post that to http://stackoverflow.com

Re:Ask HN: Getting started with Access Control (B2B web appl... by shorbaji on Monday August 10, 2009 @12:21PM (#753305)
Thanks for the tip. The question is broad because I am looking for guidance how to even get started tackling the problem.

The application will allow buyers to complex RFPs online & sellers to respond to them - a collaboration. I will need access control to allow users within and across companies to collaborate with appropriate restrictions.