A YANG Data Model for Monitoring I2NSF Network Security Functions
draft-hong-i2nsf-nsf-monitoring-data-model-06

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Last updated 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
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   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.

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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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