Manufacturer Usage Description Specification
draft-ietf-opsawg-mud-25

Document Type Active Internet-Draft (opsawg WG)
Last updated 2018-06-28 (latest revision 2018-06-15)
Replaces draft-lear-ietf-netmod-mud
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Network Working Group                                            E. Lear
Internet-Draft                                             Cisco Systems
Intended status: Standards Track                                R. Droms
Expires: December 17, 2018                                        Google
                                                            D. Romascanu
                                                           June 15, 2018

              Manufacturer Usage Description Specification
                        draft-ietf-opsawg-mud-25

Abstract

   This memo specifies a component-based architecture for manufacturer
   usage descriptions (MUD).  The goal of MUD is to provide a means for
   end devices to signal to the network what sort of access and network
   functionality they require to properly function.  The initial focus
   is on access control.  Later work can delve into other aspects.

   This memo specifies two YANG modules, IPv4 and IPv6 DHCP options, an
   LLDP TLV, a URL, an X.509 certificate extension and a means to sign
   and verify the descriptions.

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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   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on December 17, 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

Lear, et al.            Expires December 17, 2018               [Page 1]
Internet-Draft       Manufacturer Usage Descriptions           June 2018

   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
     1.1.  What MUD Doesn't Do . . . . . . . . . . . . . . . . . . .   5
     1.2.  A Simple Example  . . . . . . . . . . . . . . . . . . . .   5
     1.3.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   5
     1.4.  Determining Intended Use  . . . . . . . . . . . . . . . .   6
     1.5.  Finding A Policy: The MUD URL . . . . . . . . . . . . . .   6
     1.6.  Processing of the MUD URL . . . . . . . . . . . . . . . .   7
     1.7.  Types of Policies . . . . . . . . . . . . . . . . . . . .   8
     1.8.  The Manufacturer Usage Description Architecture . . . . .  10
     1.9.  Order of operations . . . . . . . . . . . . . . . . . . .  11
   2.  The MUD Model and Semantic Meaning  . . . . . . . . . . . . .  12
     2.1.  The IETF-MUD YANG Module  . . . . . . . . . . . . . . . .  13
   3.  MUD model definitions for the root mud container  . . . . . .  14
     3.1.  mud-version . . . . . . . . . . . . . . . . . . . . . . .  14
     3.2.  mud-url . . . . . . . . . . . . . . . . . . . . . . . . .  15
     3.3.  to-device-policy and from-device-policy containers  . . .  15
     3.4.  last-update . . . . . . . . . . . . . . . . . . . . . . .  15
     3.5.  cache-validity  . . . . . . . . . . . . . . . . . . . . .  15
     3.6.  is-supported  . . . . . . . . . . . . . . . . . . . . . .  15
     3.7.  systeminfo  . . . . . . . . . . . . . . . . . . . . . . .  15
     3.8.  mfg-name, software-rev, model-name firmware-rev . . . . .  16
     3.9.  extensions  . . . . . . . . . . . . . . . . . . . . . . .  16
   4.  Augmentation to the ACL Model . . . . . . . . . . . . . . . .  16
     4.1.  manufacturer  . . . . . . . . . . . . . . . . . . . . . .  16
     4.2.  same-manufacturer . . . . . . . . . . . . . . . . . . . .  16
     4.3.  documentation . . . . . . . . . . . . . . . . . . . . . .  17
     4.4.  model . . . . . . . . . . . . . . . . . . . . . . . . . .  17
     4.5.  local-networks  . . . . . . . . . . . . . . . . . . . . .  17
     4.6.  controller  . . . . . . . . . . . . . . . . . . . . . . .  17
     4.7.  my-controller . . . . . . . . . . . . . . . . . . . . . .  18
     4.8.  direction-initiated . . . . . . . . . . . . . . . . . . .  18
   5.  Processing of the MUD file  . . . . . . . . . . . . . . . . .  18
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