draft-ietf-cdni-logging-17.txt   draft-ietf-cdni-logging-18.txt 
Internet Engineering Task Force F. Le Faucheur, Ed. Internet Engineering Task Force F. Le Faucheur, Ed.
Internet-Draft Cisco Systems Internet-Draft Cisco Systems
Intended status: Standards Track G. Bertrand, Ed. Intended status: Standards Track G. Bertrand, Ed.
Expires: September 19, 2015 I. Oprescu, Ed. Expires: September 22, 2015 I. Oprescu, Ed.
Orange Orange
R. Peterkofsky R. Peterkofsky
Skytide, Inc. Skytide, Inc.
March 18, 2015 March 21, 2015
CDNI Logging Interface CDNI Logging Interface
draft-ietf-cdni-logging-17 draft-ietf-cdni-logging-18
Abstract Abstract
This memo specifies the Logging interface between a downstream CDN This memo specifies the Logging interface between a downstream CDN
(dCDN) and an upstream CDN (uCDN) that are interconnected as per the (dCDN) and an upstream CDN (uCDN) that are interconnected as per the
CDN Interconnection (CDNI) framework. First, it describes a CDN Interconnection (CDNI) framework. First, it describes a
reference model for CDNI logging. Then, it specifies the CDNI reference model for CDNI logging. Then, it specifies the CDNI
Logging File format and the actual protocol for exchange of CDNI Logging File format and the actual protocol for exchange of CDNI
Logging Files. Logging Files.
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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-
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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 September 19, 2015. This Internet-Draft will expire on September 22, 2015.
Copyright Notice Copyright Notice
Copyright (c) 2015 IETF Trust and the persons identified as the Copyright (c) 2015 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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2.2.5.3. Analytics and Reporting . . . . . . . . . . . . . 13 2.2.5.3. Analytics and Reporting . . . . . . . . . . . . . 13
2.2.5.4. Content Protection . . . . . . . . . . . . . . . 13 2.2.5.4. Content Protection . . . . . . . . . . . . . . . 13
2.2.5.5. Notions common to multiple Log Consuming 2.2.5.5. Notions common to multiple Log Consuming
Applications . . . . . . . . . . . . . . . . . . 13 Applications . . . . . . . . . . . . . . . . . . 13
3. CDNI Logging File . . . . . . . . . . . . . . . . . . . . . . 15 3. CDNI Logging File . . . . . . . . . . . . . . . . . . . . . . 15
3.1. Rules . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.1. Rules . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.2. CDNI Logging File Structure . . . . . . . . . . . . . . . 17 3.2. CDNI Logging File Structure . . . . . . . . . . . . . . . 17
3.3. CDNI Logging Directives . . . . . . . . . . . . . . . . . 19 3.3. CDNI Logging Directives . . . . . . . . . . . . . . . . . 19
3.4. CDNI Logging Records . . . . . . . . . . . . . . . . . . 23 3.4. CDNI Logging Records . . . . . . . . . . . . . . . . . . 23
3.4.1. HTTP Request Logging Record . . . . . . . . . . . . . 24 3.4.1. HTTP Request Logging Record . . . . . . . . . . . . . 24
3.5. CDNI Logging File Example . . . . . . . . . . . . . . . . 33 3.5. CDNI Logging File Example . . . . . . . . . . . . . . . . 34
3.6. Cascaded CDNI Logging Files Example . . . . . . . . . . . 35 3.6. Cascaded CDNI Logging Files Example . . . . . . . . . . . 35
4. Protocol for Exchange of CDNI Logging File After Full 4. Protocol for Exchange of CDNI Logging File After Full
Collection . . . . . . . . . . . . . . . . . . . . . . . . . 38 Collection . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.1. CDNI Logging Feed . . . . . . . . . . . . . . . . . . . . 39 4.1. CDNI Logging Feed . . . . . . . . . . . . . . . . . . . . 39
4.1.1. Atom Formatting . . . . . . . . . . . . . . . . . . . 39 4.1.1. Atom Formatting . . . . . . . . . . . . . . . . . . . 39
4.1.2. Updates to Log Files and the Feed . . . . . . . . . . 39 4.1.2. Updates to Log Files and the Feed . . . . . . . . . . 39
4.1.3. Redundant Feeds . . . . . . . . . . . . . . . . . . . 40 4.1.3. Redundant Feeds . . . . . . . . . . . . . . . . . . . 40
4.1.4. Example CDNI Logging Feed . . . . . . . . . . . . . . 40 4.1.4. Example CDNI Logging Feed . . . . . . . . . . . . . . 40
4.2. CDNI Logging File Pull . . . . . . . . . . . . . . . . . 42 4.2. CDNI Logging File Pull . . . . . . . . . . . . . . . . . 42
5. Protocol for Exchange of CDNI Logging File During Collection 43 5. Protocol for Exchange of CDNI Logging File During Collection 43
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* occurrence: there MUST be zero or exactly one instance of this * occurrence: there MUST be zero or exactly one instance of this
directive per CDNI Logging File. This directive MAY be added directive per CDNI Logging File. This directive MAY be added
by the uCDN (e.g., before storing the CDNI Logging File). It by the uCDN (e.g., before storing the CDNI Logging File). It
MUST NOT be included by the dCDN. The mechanisms used by the MUST NOT be included by the dCDN. The mechanisms used by the
uCDN to establish and validate the entity responsible for the uCDN to establish and validate the entity responsible for the
CDNI Logging File is outside the scope of the present document. CDNI Logging File is outside the scope of the present document.
We observe that, in particular, this may be achieved through We observe that, in particular, this may be achieved through
authentication mechanisms that are part of the transport layer authentication mechanisms that are part of the transport layer
of the CDNI Logging File pull mechanism (Section 4.2). of the CDNI Logging File pull mechanism (Section 4.2).
o Remark:
* format: NHTABSTRING
* directive value: this contains comment information. Data
contained in this field is to be ignored by analysis tools.
* occurrence: there MAY be zero, one or any number of instance of
this directive per CDNI Logging File.
o Record-Type: o Record-Type:
* format: NAMEFORMAT * format: NAMEFORMAT
* directive value: indicates the type of the CDNI Logging Records * directive value: indicates the type of the CDNI Logging Records
that follow this directive, until another Record-Type directive that follow this directive, until another Record-Type directive
(or the end of the CDNI Logging File). This can be any CDNI (or the end of the CDNI Logging File). This can be any CDNI
Logging Record type registered in the CDNI Logging Record-types Logging Record type registered in the CDNI Logging Record-types
registry (Section 6.3). For example this may be registry (Section 6.3). For example this may be
"cdni_http_request_v1" as specified in Section 3.4.1. "cdni_http_request_v1" as specified in Section 3.4.1.
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the names of the directives specified in Section 3.3 of the present the names of the directives specified in Section 3.3 of the present
document, and are as follows: document, and are as follows:
+------------------------------+-----------+ +------------------------------+-----------+
| Directive Name | Reference | | Directive Name | Reference |
+------------------------------+-----------+ +------------------------------+-----------+
| Version | RFC xxxx | | Version | RFC xxxx |
| UUID | RFC xxxx | | UUID | RFC xxxx |
| Claimed-Origin | RFC xxxx | | Claimed-Origin | RFC xxxx |
| Established-Origin | RFC xxxx | | Established-Origin | RFC xxxx |
| Remark | RFC xxxx |
| Record-Type | RFC xxxx | | Record-Type | RFC xxxx |
| Fields | RFC xxxx | | Fields | RFC xxxx |
| SHA256-Hash | RFC xxxx | | SHA256-Hash | RFC xxxx |
+------------------------------+-----------+ +------------------------------+-----------+
Figure 8 Figure 8
[Instructions to IANA: Replace "RFC xxxx" above by the RFC number of [Instructions to IANA: Replace "RFC xxxx" above by the RFC number of
the present document] the present document]
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