Forum OpenACS Development: Response to Pluggable authentication for OACS: moving towards a concrete plan

I've taken another cut at this: https://openacs.org/new-file-storage/download/oacs-pam.html?version_id=687.

Many of us are busy with releases and other tasks, so there may not be much progress here in the near future. But I wanted to get the ideas up just the same in case anybody wants to run with it.