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Abstract:
The present document proposes to clarify the CDNI Request Routing
interface introduced in [I-D.ietf-cdni-framework] and [I-D.ietf-cdni-
problem-statement], as well as related terminology.
In particular the present document proposes to split the CDNI Request
Routing interface into two separate interfaces with clearer roles,
named respectively CDNI Routing interface and CDNI Downstream
Resource Identifier Signaling interface (CDNI DRIS interface).
This part of the CDN interconnection framework the IETF has been
referring to so far with the term "CDNI Request Routing" is just
another routing, signaling and forwarding problem in a long series of
the telecommunication history. For example, one can draw a direct
analogy between the IP/MPLS-TE framework and the CDN interconnection
framework.
In addition, this document recommends that the specification of ALL
CDN interconnection interfaces in the scope of the CDNI IETF WG
relies on the equivalent concept to IP prefix for CDN
interconnection, named 'contentRequestScope'. This highly useful and
powerful concept SHALL be used to simplify the specification of ALL
CDN interconnection interfaces, as well as to ensure performance and
scalability in CDN interconnection.
All these proposals can be smoothly integrated in the WG drafts,
especially [I-D.ietf-cdni-framework] and
[I-D.ietf-cdni-requirements], as they essentially propose (useful)
clarifications of the existing framework.
Authors:
Yannick Le Louedec <yannick.lelouedec@orange.com>
Anne Marrec <anne.marrec@orange.com>
Gilles Bertrand <gilles.bertrand@orange.com>
Marcin Pilarski <marcin.pilarski@orange.com>
(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)
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