Tutorial: SSP System Characteristics - Part 3 of 3

[Rene2mt]

User Story:

As an OSCAL SSP author, I need to understand how to document system characteristics so that I can create well-formed OSCAL SSPs with the appropriate system attributes specified.

Goals:

This tutorial (part 3 of 3) should provide in-depth documentation showing how the following system characteristics properties are set and any constraints:

• authorization-boundary
• network-architecture
• data-flow
• any associated props and links

Dependencies:

Issue #976.

Acceptance Criteria

• All OSCAL website and readme documentation affected by the changes in this issue have been updated. Changes to the OSCAL website can be made in the docs/content directory of your branch.
• A Pull Request (PR) is submitted that fully addresses the goals of this User Story. This issue is referenced in the PR.
• The CI-CD build process runs without any reported errors on the PR. This can be confirmed by reviewing that all checks have passed in the PR.

{The items above are general acceptance criteria for all User Stories. Please describe anything else that must be completed for this issue to be considered resolved.}

[aj-stein-nist]

Marking this as blocked until #1910 is completed, and then it will be ready for "Needs Refinement" and determination if we edit this issue or replace it with a different one.