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Open Caching Relayed Token Authentication
This document describes the functional specification of open-caching relayed-token-authentication mechanism. The focus is on generically supporting URI signing using this method. There are additional applications – like user Cookies, which are mentioned in this document without getting into the specifics. While multiple different CDNs, as well as CDNi, support Tokenization in alternative methods, the goal of this implementation is to support all of these different formats via the relay authentication mechanism.
Goals and Objectives
- Develop a comprehensive mechanism to allow for token authentication using an existing tokenization scheme currently employed in the marketplace.
- Design a relay authentication workflow that:
- Enables an Open Cache Node (OCN) to authenticate a token without requiring sharing of secure keys beyond existing participants in the delivery chain.
- Requires little or no change by a content provider so that they can continue to use their existing token authentication setup across different providers with any OCN.
- Works with existing Open Caching specifications.
- An overview of the relay authentication workflow for CDN URI tokenization.
- Instructions on how to authenticate sessions between different OCN and CDN participants.
- Examples of tokenization, methods for verification, and suggestions for logging behavior.
- Need some stuff here…