A YANG Data Model for Monitoring I2NSF Network Security Functions
draft-hong-i2nsf-nsf-monitoring-data-model-06
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2018-12-19
(latest revision 2018-11-15)
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Network Working Group J. Jeong
Internet-Draft J. Kim
Intended status: Standards Track D. Hong
Expires: May 19, 2019 Sungkyunkwan University
S. Hares
L. Xia
Huawei
H. Birkholz
Fraunhofer SIT
November 15, 2018
A YANG Data Model for Monitoring I2NSF Network Security Functions
draft-hong-i2nsf-nsf-monitoring-data-model-06
Abstract
This document proposes 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 the indication of malicious activity, anomalous
behavior or 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 a YANG data diagram to specify an
information model for monitoring NSFs, 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 May 19, 2019.
Jeong, et al. Expires May 19, 2019 [Page 1]
Internet-Draft I2NSF NSF Monitoring YANG Data Model November 2018
Copyright Notice
Copyright (c) 2018 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. Requirements Language . . . . . . . . . . . . . . . . . . . . 4
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Use Cases for NSF Monitoring Data . . . . . . . . . . . . . . 4
5. Classification of NSF Monitoring Data . . . . . . . . . . . . 5
5.1. Retention and Emission . . . . . . . . . . . . . . . . . 6
5.2. Notifications and Events . . . . . . . . . . . . . . . . 7
5.3. Unsolicited Poll and Solicited Push . . . . . . . . . . . 8
5.4. I2NSF Monitoring Terminology for Retained Information . . 8
6. Conveyance of NSF Monitoring Information . . . . . . . . . . 9
6.1. Information Types and Acquisition Methods . . . . . . . . 10
7. Basic Information Model for All Monitoring Data . . . . . . . 10
8. Extended Information Model for Monitoring Data . . . . . . . 11
8.1. System Alarm . . . . . . . . . . . . . . . . . . . . . . 11
8.1.1. Memory Alarm . . . . . . . . . . . . . . . . . . . . 11
8.1.2. CPU Alarm . . . . . . . . . . . . . . . . . . . . . . 12
8.1.3. Disk Alarm . . . . . . . . . . . . . . . . . . . . . 12
8.1.4. Hardware Alarm . . . . . . . . . . . . . . . . . . . 12
8.1.5. Interface Alarm . . . . . . . . . . . . . . . . . . . 13
8.2. System Events . . . . . . . . . . . . . . . . . . . . . . 13
8.2.1. Access Violation . . . . . . . . . . . . . . . . . . 13
8.2.2. Configuration Change . . . . . . . . . . . . . . . . 14
8.3. System Log . . . . . . . . . . . . . . . . . . . . . . . 14
8.3.1. Access Logs . . . . . . . . . . . . . . . . . . . . . 14
8.3.2. Resource Utilization Logs . . . . . . . . . . . . . . 15
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