CDNI Control Interface / Triggers
draft-ietf-cdni-control-triggers-01
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Network Working Group R. Murray
Internet-Draft B. Niven-Jenkins
Intended status: Standards Track Velocix (Alcatel-Lucent)
Expires: April 24, 2014 October 21, 2013
CDNI Control Interface / Triggers
draft-ietf-cdni-control-triggers-01
Abstract
This document describes the part of the CDN Interconnect Control
Interface that allows a CDN to trigger activity in an interconnected
CDN that is configured to deliver content on its behalf. The
upstream CDN can use this mechanism to request that the downstream
CDN pre-positions metadata or content, or that it re-validate or
purge metadata or content. The upstream CDN can monitor the status
of activity that it has triggered in the downstream CDN.
Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
Status of this Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on April 24, 2014.
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Murray & Niven-Jenkins Expires April 24, 2014 [Page 1]
Internet-Draft CDN Interconnect Triggers October 2013
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 5
2. Model for CDNI Triggers . . . . . . . . . . . . . . . . . . . 5
2.1. Timing of Triggered Activity . . . . . . . . . . . . . . . 7
2.2. Trigger Results . . . . . . . . . . . . . . . . . . . . . 7
3. Collections of Trigger Status Resources . . . . . . . . . . . 7
4. CDNI Trigger interface . . . . . . . . . . . . . . . . . . . . 8
4.1. Creating Triggers . . . . . . . . . . . . . . . . . . . . 10
4.2. Checking Status . . . . . . . . . . . . . . . . . . . . . 11
4.2.1. Polling Trigger Status Resource collections . . . . . 11
4.2.2. Polling Trigger Status Resources . . . . . . . . . . . 11
4.3. Deleting Triggers . . . . . . . . . . . . . . . . . . . . 11
4.4. Expiry of Trigger Status Resources . . . . . . . . . . . . 12
4.5. Error Handling . . . . . . . . . . . . . . . . . . . . . . 12
5. Properties of Triggers . . . . . . . . . . . . . . . . . . . . 13
5.1. Properties of Trigger Requests . . . . . . . . . . . . . . 13
5.1.1. Content URLs . . . . . . . . . . . . . . . . . . . . . 14
5.2. Properties of Trigger Status Resources . . . . . . . . . . 14
5.3. Properties of ErrorDesc . . . . . . . . . . . . . . . . . 15
5.4. Properties of Trigger Collections . . . . . . . . . . . . 16
5.5. Trigger Resource Simple Data Type Descriptions . . . . . . 16
5.5.1. TriggerType . . . . . . . . . . . . . . . . . . . . . 16
5.5.2. TriggerStatus . . . . . . . . . . . . . . . . . . . . 16
5.5.3. URLs . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.5.4. AbsoluteTime . . . . . . . . . . . . . . . . . . . . . 17
5.5.5. ErrorCode . . . . . . . . . . . . . . . . . . . . . . 17
6. JSON Encoding of Objects . . . . . . . . . . . . . . . . . . . 17
6.1. JSON Encoding of Embedded Types . . . . . . . . . . . . . 18
6.1.1. TriggerType . . . . . . . . . . . . . . . . . . . . . 18
6.1.2. TriggerStatus . . . . . . . . . . . . . . . . . . . . 18
6.1.3. PatternMatch . . . . . . . . . . . . . . . . . . . . . 18
6.1.4. ErrorDesc . . . . . . . . . . . . . . . . . . . . . . 19
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