Dynamic Exchange

• Desire to add dynamic exchange of information between CDNs

• Concept of Content Peering Gateways (CPG)

  • Each CDN has at least one

• Each CPG exchanges information about request routing AND distribution

  • “Coverage” area for CDN surrogates
  • Content specific information
    • What content am I serving?
    • Is content ready?

• Lots of information needs to be exchanged

  • Currently working on requirements and scenarios

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