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A Proposed SACM Information Model with implications to a SACM Data Model

The proposed SACM Information Model provides a structured layout for SACM information, including metadata and content, to facilitate interoperability and agility. It defines guidance on interfaces and operations, with elements like Atomic, Grouped, and Categorized Elements. It aims to align DM content formats with the model's intent for clarity and consistency.

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A Proposed SACM Information Model with implications to a SACM Data Model

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  1. A Proposed SACM Information Model with implications to a SACM Data Model Henk Birkholz Nancy Cam-Winget

  2. Proposal • SACM Information Model • Defines structure for Data Models guidance • Defines guidance on SACM interfaces • Can include Data Model Guidance • Can include inference to Data Model operations

  3. Proposed Information Model • Intention istoprovidestructureto SACM informationlayout • Structureis a containerthatincludes: • Description ofthe SACM information (metadata) • The contentitself • The Structureallowsfor different Data Models

  4. Information Model Abstract • Highest level SACM statement • Statement Metadata • Globally Unique ID (of Statement) • Data Origin (of Statement) • Data Source (of Content) • Creation Timestamp (of Statement & Content) • Publication Timestamp (of Statement) • Type (of Content) • Statement Content • The Proposed DM • Additional DMs OVAL, SCAP(-AI), DMTF CIM, etc.

  5. Structureofthe DM Content Format providedbythe IM • IM MUST defineelementstoproof inter-operabilityanduse-cases • Beingtooabstractis (probably) bad • BUT someabstractionisneededtoallowagility • Shouldtheelementsbeabstract, e.g. bydefiningsemanticstructuresthatprovideguidanceto DM defintions? • Example: Whatisthe“atomicleaf“ for:Address, IPAddress, IPv6Address • DM decision? Probablyvariesfrom DM to DM

  6. StructureofSACM Content • Statement Content includesoneormore: • Atomic Elements • Grouped Elements • Categorized Elements • Statements canbeCategorizedElements themselves • “recursive“ nestingtofacilitatecorrelation, relay, etc.

  7. Structureofthe DM Content Format providedbythe IM • Grouping (has_a) • Example:NETWORK • IPAddress • SubnetMask • Categorizing (is_a) • Example:Address • IPAddress • IPv6Address

  8. SACM defines a MUST set of elements • A set of Elements will be defined and (most?) identified as MUST to ensure interoperability • Elements have clear semantic understanding to allow DMs to map to SACM’s intent

  9. Element sample • Atomic Elements: • IPv4Address • IPv6Address • Grouped Element: • Endpoint • Endpoint Identifier • <other elements that can identify the Endpoint> • Categorized Element • Software Asset • Software Identifier • Software version • <other elements to identify the asset>

  10. Next steps • Isthereenoughinterest in thisapproachforpresenterstogeneratedrafttextanddetailthestructureandelements?

  11. Comments?

  12. Terms and Mapping of Terms • Onesetof IM Terms forAtomic Elements (Canon) • Varioussetsof DM terms (alreadyexistingandfutureones) • A mapping/dictionaryisrequiredthatshouldbepartofeach DM • Mapping DM Terms with IM Terms • The atomicelementsincluded in the DM contentformatareintentedtobe 100% in syncwiththe IM Terms

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