I2NSF NSF Monitoring YANG Data Model
draft-ietf-i2nsf-nsf-monitoring-data-model-02
Document Type Active Internet-Draft (i2nsf WG)
Last updated 2019-11-04
Replaces draft-hong-i2nsf-nsf-monitoring-data-model
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Network Working Group                                           J. Jeong
Internet-Draft                                                  C. Chung
Intended status: Standards Track                 Sungkyunkwan University
Expires: May 7, 2020                                            S. Hares
                                                                  L. Xia
                                                                  Huawei
                                                             H. Birkholz
                                                          Fraunhofer SIT
                                                        November 4, 2019

                  I2NSF NSF Monitoring YANG Data Model
             draft-ietf-i2nsf-nsf-monitoring-data-model-02

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 an information model for monitoring NSFs
   along with a YANG data diagram, but also the corresponding YANG data
   model for monitoring NSFs.

Editorial Note (To be removed by RFC Editor)

   Please update these statements within the document with the RFC
   number to be assigned to this document:

      "This version of this YANG module is part of RFC 6087;"

      "RFC XXXX: I2NSF NSF Monitoring YANG Data Model"

      "reference: RFC 6087"

   Please update the "revision" date of the YANG module.

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

Jeong, et al.              Expires May 7, 2020                  [Page 1]
Internet-Draft    I2NSF NSF Monitoring YANG Data Model     November 2019

   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 7, 2020.

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 . . . . . . .  11
   7.  Extended Information Model for Monitoring Data  . . . . . . .  11
     7.1.  System Alarms . . . . . . . . . . . . . . . . . . . . . .  11
       7.1.1.  Memory Alarm  . . . . . . . . . . . . . . . . . . . .  12
       7.1.2.  CPU Alarm . . . . . . . . . . . . . . . . . . . . . .  12
       7.1.3.  Disk Alarm  . . . . . . . . . . . . . . . . . . . . .  12
       7.1.4.  Hardware Alarm  . . . . . . . . . . . . . . . . . . .  13
       7.1.5.  Interface Alarm . . . . . . . . . . . . . . . . . . .  13

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