Data Model for Network Access

Document Type Expired Internet-Draft (individual)
Author David Spence 
Last updated 2000-11-21
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Recently, considerable attention has been given to the need to better structure the information carried in protocols operating within the network access environment. The arguable benefits of structured information is consistency in the definitions and reuse of individual data elements and well defined means for extending existing structures to support new or proprietary features and capabilities. In an effort to demonstrate the benefits of organizing data elements and provide a practical means for deploying such a model, this memo takes the existing attributes currently used in RADIUS and maps them into a data model. To demonstrate the deployment of the data model within the network access environment, the data model has been represented as a PIB. While the data model could be implemented to run over protocols other than COPS, SPPI is currently the only language available which expresses data modeling concepts with sufficient detail to demonstrate the benefits in a practical manner.


David Spence (

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