I2NSF NSF Monitoring YANG Data Model
draft-ietf-i2nsf-nsf-monitoring-data-model-01
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Active Internet-Draft (i2nsf WG)
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2019-07-24
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draft-hong-i2nsf-nsf-monitoring-data-model
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ietf-i2nsf-monitor@2019-07-23.yang:
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# read /a/www/ietf-ftp/yang/draftmod/ietf-yang-types@2019-07-21.yang
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I2NSF Working Group J. Jeong
Internet-Draft C. Chung
Intended status: Standards Track Sungkyunkwan University
Expires: January 25, 2020 S. Hares
L. Xia
Huawei
H. Birkholz
Fraunhofer SIT
July 24, 2019
I2NSF NSF Monitoring YANG Data Model
draft-ietf-i2nsf-nsf-monitoring-data-model-01
Abstract
This document describes an information model and the corresponding
YANG data model for monitoring Network Security Functions (NSFs) in
the Interface to Network Security Functions (I2NSF) framework. If
the monitoring of NSFs is performed in a comprehensive way, it is
possible to detect malicious activity, anomalous behavior, and the
potential sign of denial of service attacks in a timely manner. This
monitoring functionality is based on the monitoring information that
is generated by NSFs. Thus, this document describes not only an
information model for monitoring NSFs along with a YANG data diagram,
but also the corresponding YANG data model for monitoring NSFs.
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 https://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 January 25, 2020.
Jeong, et al. Expires January 25, 2020 [Page 1]
Internet-Draft I2NSF NSF Monitoring YANG Data Model July 2019
Copyright Notice
Copyright (c) 2019 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
Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1. Requirements Notation . . . . . . . . . . . . . . . . . . 4
2.2. Definitions . . . . . . . . . . . . . . . . . . . . . . . 4
2.3. YANG . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Use Cases for NSF Monitoring Data . . . . . . . . . . . . . . 4
4. Classification of NSF Monitoring Data . . . . . . . . . . . . 5
4.1. Retention and Emission . . . . . . . . . . . . . . . . . 6
4.2. Notifications and Events . . . . . . . . . . . . . . . . 7
4.3. Unsolicited Poll and Solicited Push . . . . . . . . . . . 8
4.4. I2NSF Monitoring Terminology for Retained Information . . 8
5. Conveyance of NSF Monitoring Information . . . . . . . . . . 9
5.1. Information Types and Acquisition Methods . . . . . . . . 10
6. Basic Information Model for All Monitoring Data . . . . . . . 10
7. Extended Information Model for Monitoring Data . . . . . . . 11
7.1. System Alarm . . . . . . . . . . . . . . . . . . . . . . 11
7.1.1. Memory Alarm . . . . . . . . . . . . . . . . . . . . 11
7.1.2. CPU Alarm . . . . . . . . . . . . . . . . . . . . . . 12
7.1.3. Disk Alarm . . . . . . . . . . . . . . . . . . . . . 12
7.1.4. Hardware Alarm . . . . . . . . . . . . . . . . . . . 12
7.1.5. Interface Alarm . . . . . . . . . . . . . . . . . . . 13
7.2. System Events . . . . . . . . . . . . . . . . . . . . . . 13
7.2.1. Access Violation . . . . . . . . . . . . . . . . . . 13
7.2.2. Configuration Change . . . . . . . . . . . . . . . . 14
7.3. System Log . . . . . . . . . . . . . . . . . . . . . . . 14
7.3.1. Access Logs . . . . . . . . . . . . . . . . . . . . . 14
7.3.2. Resource Utilization Logs . . . . . . . . . . . . . . 15
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