Content Negotiation

Transparent Content Negotiation (TCN):



• Method of deploying new formats
  Client:  ACCEPT image/gif, image/png
  Server: If foo.png exists, send, else foo.gif
• Used for logos on W3C website
• Not widely deployed

Transparent Feature Negotiation:

• Proposal for deploying new HTML elements
• Over-engineered? Requires naming authority

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