I2NSF NSF Monitoring YANG Data Model
draft-ietf-i2nsf-nsf-monitoring-data-model-04
Document Type Active Internet-Draft (i2nsf WG)
Authors Jaehoon Jeong  , Patrick Lingga  , Susan Hares  , Liang Xia  , Henk Birkholz 
Last updated 2020-09-07
Replaces draft-hong-i2nsf-nsf-monitoring-data-model
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Network Working Group                                      J. Jeong, Ed.
Internet-Draft                                                 P. Lingga
Intended status: Standards Track                 Sungkyunkwan University
Expires: March 11, 2021                                         S. Hares
                                                                  L. Xia
                                                                  Huawei
                                                             H. Birkholz
                                                          Fraunhofer SIT
                                                       September 7, 2020

                  I2NSF NSF Monitoring YANG Data Model
             draft-ietf-i2nsf-nsf-monitoring-data-model-04

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, the potential sign of denial of service attacks, or system
   overload 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 March 11, 2021.

Jeong, et al.            Expires March 11, 2021                 [Page 1]
Internet-Draft    I2NSF NSF Monitoring YANG Data Model    September 2020

Copyright Notice

   Copyright (c) 2020 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
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   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
   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 . . . . . . . . . . .   7
     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 Alarms . . . . . . . . . . . . . . . . . . . . . .  11
       7.1.1.  Memory Alarm  . . . . . . . . . . . . . . . . . . . .  11
       7.1.2.  CPU Alarm . . . . . . . . . . . . . . . . . . . . . .  11
       7.1.3.  Disk Alarm  . . . . . . . . . . . . . . . . . . . . .  12
       7.1.4.  Hardware Alarm  . . . . . . . . . . . . . . . . . . .  12
       7.1.5.  Interface Alarm . . . . . . . . . . . . . . . . . . .  12
     7.2.  System Events . . . . . . . . . . . . . . . . . . . . . .  13
       7.2.1.  Access Violation  . . . . . . . . . . . . . . . . . .  13
       7.2.2.  Configuration Change  . . . . . . . . . . . . . . . .  13
     7.3.  NSF Events  . . . . . . . . . . . . . . . . . . . . . . .  14
       7.3.1.  DDoS Event  . . . . . . . . . . . . . . . . . . . . .  14
       7.3.2.  Session Table Event . . . . . . . . . . . . . . . . .  15
       7.3.3.  Virus Event . . . . . . . . . . . . . . . . . . . . .  15
       7.3.4.  Intrusion Event . . . . . . . . . . . . . . . . . . .  16
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