draft-ietf-cdni-metadata-15.txt   draft-ietf-cdni-metadata-16.txt 
Network Working Group B. Niven-Jenkins Network Working Group B. Niven-Jenkins
Internet-Draft R. Murray Internet-Draft R. Murray
Intended status: Standards Track Velocix (Alcatel-Lucent) Intended status: Standards Track Velocix (Alcatel-Lucent)
Expires: October 14, 2016 M. Caulfield Expires: October 30, 2016 M. Caulfield
Cisco Systems Cisco Systems
K. Ma K. Ma
Ericsson Ericsson
April 12, 2016 April 28, 2016
CDN Interconnection Metadata CDN Interconnection Metadata
draft-ietf-cdni-metadata-15 draft-ietf-cdni-metadata-16
Abstract Abstract
The Content Delivery Networks Interconnection (CDNI) metadata The Content Delivery Networks Interconnection (CDNI) metadata
interface enables interconnected Content Delivery Networks (CDNs) to interface enables interconnected Content Delivery Networks (CDNs) to
exchange content distribution metadata in order to enable content exchange content distribution metadata in order to enable content
acquisition and delivery. The CDNI metadata associated with a piece acquisition and delivery. The CDNI metadata associated with a piece
of content provides a downstream CDN with sufficient information for of content provides a downstream CDN with sufficient information for
the downstream CDN to service content requests on behalf of an the downstream CDN to service content requests on behalf of an
upstream CDN. This document describes both a base set of CDNI upstream CDN. This document describes both a base set of CDNI
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 14, 2016. This Internet-Draft will expire on October 30, 2016.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2016 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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The keys of the dictionary are the names of the properties associated The keys of the dictionary are the names of the properties associated
with the object and are therefore dependent on the specific object with the object and are therefore dependent on the specific object
being encoded (i.e., dependent on the CDNI Payload Type of the being encoded (i.e., dependent on the CDNI Payload Type of the
returned resource). Likewise, the values associated with each returned resource). Likewise, the values associated with each
property (dictionary key) are dependent on the specific object being property (dictionary key) are dependent on the specific object being
encoded (i.e., dependent on the CDNI Payload Type of the returned encoded (i.e., dependent on the CDNI Payload Type of the returned
resource). resource).
Dictionary keys (properties) in I-JSON are case sensitive. By Dictionary keys (properties) in I-JSON are case sensitive. By
convention any dictionary key (property) defined by this document convention, any dictionary key (property) defined by this document
(for example the names of CDNI metadata object properties) MUST be (for example, the names of CDNI metadata object properties) MUST be
lowercase. lowercase.
6.5. Extensibility 6.5. Extensibility
The set of GenericMetadata objects can be extended with additional The set of GenericMetadata objects can be extended with additional
(standards based or vendor specific) metadata objects through the (standards based or vendor specific) metadata objects through the
specification of new GenericMetadata objects. The GenericMetadata specification of new GenericMetadata objects. The GenericMetadata
object defined in Section 4.1.7 specifies a type field and a type- object defined in Section 4.1.7 specifies a type field and a type-
specific value field that allows any metadata to be included in specific value field that allows any metadata to be included in
either the HostMetadata or PathMetadata lists. either the HostMetadata or PathMetadata lists.
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[RFC6707] Niven-Jenkins, B., Le Faucheur, F., and N. Bitar, "Content [RFC6707] Niven-Jenkins, B., Le Faucheur, F., and N. Bitar, "Content
Distribution Network Interconnection (CDNI) Problem Distribution Network Interconnection (CDNI) Problem
Statement", RFC 6707, DOI 10.17487/RFC6707, September Statement", RFC 6707, DOI 10.17487/RFC6707, September
2012, <http://www.rfc-editor.org/info/rfc6707>. 2012, <http://www.rfc-editor.org/info/rfc6707>.
[RFC7230] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer [RFC7230] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer
Protocol (HTTP/1.1): Message Syntax and Routing", Protocol (HTTP/1.1): Message Syntax and Routing",
RFC 7230, DOI 10.17487/RFC7230, June 2014, RFC 7230, DOI 10.17487/RFC7230, June 2014,
<http://www.rfc-editor.org/info/rfc7230>. <http://www.rfc-editor.org/info/rfc7230>.
[RFC7493] Bray, T., Ed., "The I-JSON Message Format", RFC 7493,
DOI 10.17487/RFC7493, March 2015,
<http://www.rfc-editor.org/info/rfc7493>.
[RFC7525] Sheffer, Y., Holz, R., and P. Saint-Andre, [RFC7525] Sheffer, Y., Holz, R., and P. Saint-Andre,
"Recommendations for Secure Use of Transport Layer "Recommendations for Secure Use of Transport Layer
Security (TLS) and Datagram Transport Layer Security Security (TLS) and Datagram Transport Layer Security
(DTLS)", BCP 195, RFC 7525, DOI 10.17487/RFC7525, May (DTLS)", BCP 195, RFC 7525, DOI 10.17487/RFC7525, May
2015, <http://www.rfc-editor.org/info/rfc7525>. 2015, <http://www.rfc-editor.org/info/rfc7525>.
11.2. Informative References 11.2. Informative References
[I-D.ietf-cdni-control-triggers] [I-D.ietf-cdni-control-triggers]
Murray, R. and B. Niven-Jenkins, "CDNI Control Interface / Murray, R. and B. Niven-Jenkins, "CDNI Control Interface /
Triggers", draft-ietf-cdni-control-triggers-12 (work in Triggers", draft-ietf-cdni-control-triggers-13 (work in
progress), March 2016. progress), April 2016.
[I-D.ietf-cdni-redirection] [I-D.ietf-cdni-redirection]
Niven-Jenkins, B. and R. Brandenburg, "Request Routing Niven-Jenkins, B. and R. Brandenburg, "Request Routing
Redirection interface for CDN Interconnection", draft- Redirection interface for CDN Interconnection", draft-
ietf-cdni-redirection-17 (work in progress), February ietf-cdni-redirection-18 (work in progress), April 2016.
2016.
[RFC2818] Rescorla, E., "HTTP Over TLS", RFC 2818, [RFC2818] Rescorla, E., "HTTP Over TLS", RFC 2818,
DOI 10.17487/RFC2818, May 2000, DOI 10.17487/RFC2818, May 2000,
<http://www.rfc-editor.org/info/rfc2818>. <http://www.rfc-editor.org/info/rfc2818>.
[RFC7336] Peterson, L., Davie, B., and R. van Brandenburg, Ed., [RFC7336] Peterson, L., Davie, B., and R. van Brandenburg, Ed.,
"Framework for Content Distribution Network "Framework for Content Distribution Network
Interconnection (CDNI)", RFC 7336, DOI 10.17487/RFC7336, Interconnection (CDNI)", RFC 7336, DOI 10.17487/RFC7336,
August 2014, <http://www.rfc-editor.org/info/rfc7336>. August 2014, <http://www.rfc-editor.org/info/rfc7336>.
[RFC7337] Leung, K., Ed. and Y. Lee, Ed., "Content Distribution [RFC7337] Leung, K., Ed. and Y. Lee, Ed., "Content Distribution
Network Interconnection (CDNI) Requirements", RFC 7337, Network Interconnection (CDNI) Requirements", RFC 7337,
DOI 10.17487/RFC7337, August 2014, DOI 10.17487/RFC7337, August 2014,
<http://www.rfc-editor.org/info/rfc7337>. <http://www.rfc-editor.org/info/rfc7337>.
[RFC7493] Bray, T., Ed., "The I-JSON Message Format", RFC 7493,
DOI 10.17487/RFC7493, March 2015,
<http://www.rfc-editor.org/info/rfc7493>.
[RFC7540] Belshe, M., Peon, R., and M. Thomson, Ed., "Hypertext [RFC7540] Belshe, M., Peon, R., and M. Thomson, Ed., "Hypertext
Transfer Protocol Version 2 (HTTP/2)", RFC 7540, Transfer Protocol Version 2 (HTTP/2)", RFC 7540,
DOI 10.17487/RFC7540, May 2015, DOI 10.17487/RFC7540, May 2015,
<http://www.rfc-editor.org/info/rfc7540>. <http://www.rfc-editor.org/info/rfc7540>.
[RFC7736] Ma, K., "Content Delivery Network Interconnection (CDNI) [RFC7736] Ma, K., "Content Delivery Network Interconnection (CDNI)
Media Type Registration", RFC 7736, DOI 10.17487/RFC7736, Media Type Registration", RFC 7736, DOI 10.17487/RFC7736,
December 2015, <http://www.rfc-editor.org/info/rfc7736>. December 2015, <http://www.rfc-editor.org/info/rfc7736>.
Authors' Addresses Authors' Addresses
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