[sacm] [sacmwg/draft-ietf-sacm-information-model] Section 6: Which endpoint to identity relation is correct? (#79)

adammontville <notifications@github.com> Tue, 20 June 2017 16:08 UTC

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Subject: [sacm] [sacmwg/draft-ietf-sacm-information-model] Section 6: Which endpoint to identity relation is correct? (#79)
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In section 6 there is figure 15, which looks something like this: 
```
           +---------+*______in>_______*+-----+
           |Hardware |                  |!   !|
           |Component|   +---------+    |!   !|
           +---------+   |Software |in> |!   !|
                         |Component|____|!   !|
                         +---------+*  *|!   !|
                             1|         |!   !|
                             *|         |     |       +----------+
                         +---------+    |End- |*_____*| Identity |
                         |Software |in> |point| acts  +----------+
                         |Instance |____|     | for>
                         +---------+*  1|!   !|
                                        |!   !|
                                        |!   !|
                                        |!   !|
                                        |!   !|____
                                        |!   !|0..1|
                                        +-----+    |
                                           |*      |
                                           |_______|
                                              in>

```
Of particular interest is the many-to-many relationship "acts for" between Endpoint and Identity; the direction of the "acts for" relation is from Endpoint to Identity, such that an Endpoint "acts for" an Identity. 

However, in the paragraph above figure 15 there is a sentence reading, "...zero or more identities that act on behalf of the endpoint..." By this reading, then, the Identity would "act for" the Endpoint, which is the opposite of what the diagram seems to say.

Which is the intended perspective?

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