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CDNI Framework draft- ietf - cdni -framework

CDNI Framework draft- ietf - cdni -framework. CDNI Working Group IETF 87 Berlin, Germany July 2013 Larry Peterson (lapeters@akamai.com) Matt Caulfield (mcaulfie@cisco.com). “Check with me”. Removed implicit requirement “check with me”

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CDNI Framework draft- ietf - cdni -framework

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  1. CDNI Frameworkdraft-ietf-cdni-framework CDNI Working Group IETF 87 Berlin, Germany July 2013 Larry Peterson (lapeters@akamai.com) Matt Caulfield (mcaulfie@cisco.com)

  2. “Check with me” Removed implicit requirement “check with me” Previous text implied that Metadata Interface should include method to query uCDN for access control Feature requires significant change to interfaces and should be not be part of base standards

  3. Updated Reference Model Reference model has single Request Routing intf Added expanded reference model with separateRequest Routing Interface (RI)Footprint and Capabilities Interface (FCI) Diagrams on next slides

  4. Metadata & URI Rewriting Metadata & URIs may be rewritten btw CDNs For example: Metadata may include URIs pointing to a uCDN URIs are rewritten to reference tCDN New section describes concept of rewriting

  5. Rewriting Example http://video.example/foo/bar Upstream CDN http://tcdn.example/tcdn-prefix/foo/bar Transit CDN http://dcdn.example/dcdn-prefix/tcdn-prefix/foo/bar Downstream CDN

  6. Consequences of Rewriting Rewriting adds complexity to Metadata Interface implementation Requires coordination with Request Routing interface Framework warns readers of this detail

  7. Next Steps Update Metadata & URI Rewriting section WG Last Call

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