A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Content Delivery Networks Interconnection Working Group of the IETF.
Title : Content Distribution Network Interconnection (CDNI) Requirements
Author(s) : Kent Leung
Yiu Lee
Filename : draft-ietf-cdni-requirements-05.txt
Pages : 23
Date : 2013-02-23
Abstract:
Content Delivery Networks (CDNs) are frequently used for large-scale
content delivery. As a result, existing CDN providers are scaling up
their infrastructure and many Network Service Providers (NSPs) are
deploying their own CDNs. There is a requirement for interconnecting
standalone CDNs so that their collective CDN footprint can be
leveraged for the end-to-end delivery of content from Content Service
Providers (CSPs) to end users. The Content Distribution Network
Interconnection (CDNI) working group has been chartered to develop an
interoperable and scalable solution for such CDN interconnection.
The goal of the present document is to outline the requirements for
the solution and interfaces to be specified by the CDNI working
group. This draft is a work in progress and requirements may be
added, modified, or removed by the working group.
Requirements Language
The key words "High Priority", "Medium Priority" and "Low Priority"
in this document are to be interpreted in the following way:
o "High Priority" indicates requirements that are to be supported by
the CDNI interfaces. A requirement is stated as "High Priority"
when it is established by the working group that it can be met
without compromising the targeted schedule for WG deliverables, or
when it is established that specifying a solution without meeting
this requirement would not make sense and would justify re-
adjusting the WG schedule, or both. This is tagged as "[HIGH]".
o "Medium Priority" indicates requirements that are to be supported
by the CDNI interfaces unless the WG realizes at a later stage
that attempting to meet this requirement would compromise the
overall WG schedule (for example it would involve complexities
that would result in significantly delaying the deliverables).
This is tagged as "[MED]".
o "Low Priority" indicates requirements that are to be supported by
the CDNI interfaces provided that dedicating WG resources to this
work does not prevent addressing "High Priority" and "Medium
Priority" requirements and that attempting to meet this
requirement would not compromise the overall WG schedule. This is
tagged as "[LOW]".
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-cdni-requirements
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-cdni-requirements-05
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-cdni-requirements-05
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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