FAL2 - Subject identifier global uniqueness

[deansaxe]

"An RP SHALL treat subject identifiers as not inherently globally unique. Instead, the value of the assertion’s subject identifier is usually in a namespace under the assertion issuer’s control, as discussed in Sec. 3.3. This allows an RP to talk to multiple IdPs without incorrectly conflating subjects from different IdPs."

This control should be added to the common requirements draft.

[deansaxe]

I have incorporated this into the common requirements doc. If the doc is adopted, this issue can be closed. Labeled as pending close.

[deansaxe]

Doc was adopted, closing. Note that this has not yet resolved #101 which is in my queue.