Resource Description Messages (RDM)

• RDM: Discovery and Retrieval of Resource Descriptions
• RD: attribute-value pair list, encoded in SOIF
• Discovery: Query Language, Query, and View
• Retrieval: SOIF stream matching query, filtered through view
• "Out-of-band" support for customization/extensions
  • Schema: Describes RD makeup
  • Taxonomy: Describes RD organization
  • Server: Describes contents & negotiation
• Easy-to-code: Content-type: application/x-rdm
  Deploy server using CGI, NSAPI, etc.

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