On the Open Caching website, find the primary API Specification document that defines the configuration interface. Identify its full name, including any version or document number, and summarize its key purpose based on the introduction or overview provided on the page.
Navigate to the Open Caching Documents page (e.g., by clicking 'Documents' or directly navigating to the URL). Locate the document titled 'SVTA2028-1: Configuration Interface Part 1: Overview and Architecture'. Read the introductory text or overview associated with this document. State the full name of the document and its key purpose.
The identified document is 'SVTA2028-1: Configuration Interface Part 1: Overview and Architecture'. The stated key purpose accurately reflects the document's role in defining the Open Caching configuration interface, including its metadata model, APIs for publishing/retrieving configuration metadata, and its contribution to interoperability within CDN and Open Caching ecosystems by extending IETF CDNI models.