An Autonomic Control Plane (ACP)
draft-ietf-anima-autonomic-control-plane-20

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ANIMA WG                                                  T. Eckert, Ed.
Internet-Draft                                             Futurewei USA
Intended status: Standards Track                       M. Behringer, Ed.
Expires: January 23, 2020
                                                            S. Bjarnason
                                                          Arbor Networks
                                                           July 22, 2019

                    An Autonomic Control Plane (ACP)
              draft-ietf-anima-autonomic-control-plane-20

Abstract

   Autonomic functions need a control plane to communicate, which
   depends on some addressing and routing.  This Autonomic Management
   and Control Plane should ideally be self-managing, and as independent
   as possible of configuration.  This document defines such a plane and
   calls it the "Autonomic Control Plane", with the primary use as a
   control plane for autonomic functions.  It also serves as a "virtual
   out-of-band channel" for Operations Administration and Management
   (OAM) communications over a network that provides automatically
   configured hop-by-hop authenticated and encrypted communications via
   automatically configured IPv6 even when the network is not
   configured, or misconfigured.

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 January 23, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Eckert, et al.          Expires January 23, 2020                [Page 1]
Internet-Draft      An Autonomic Control Plane (ACP)           July 2019

   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 (Informative)  . . . . . . . . . . . . . . . . .   6
     1.1.  Applicability and Scope . . . . . . . . . . . . . . . . .   8
   2.  Acronyms and Terminology (Informative)  . . . . . . . . . . .  10
   3.  Use Cases for an Autonomic Control Plane (Informative)  . . .  16
     3.1.  An Infrastructure for Autonomic Functions . . . . . . . .  16
     3.2.  Secure Bootstrap over a not configured Network  . . . . .  16
     3.3.  Data-Plane Independent Permanent Reachability . . . . . .  16
   4.  Requirements (Informative)  . . . . . . . . . . . . . . . . .  18
   5.  Overview (Informative)  . . . . . . . . . . . . . . . . . . .  19
   6.  Self-Creation of an Autonomic Control Plane (ACP) (Normative)  20
     6.1.  ACP Domain, Certificate and Network . . . . . . . . . . .  20
       6.1.1.  ACP Certificates  . . . . . . . . . . . . . . . . . .  21
       6.1.2.  ACP Certificate ACP Domain Information Field  . . . .  22
       6.1.3.  ACP domain membership check . . . . . . . . . . . . .  26
       6.1.4.  Trust Points and Trust Anchors  . . . . . . . . . . .  28
       6.1.5.  Certificate and Trust Point Maintenance . . . . . . .  29
         6.1.5.1.  GRASP objective for EST server  . . . . . . . . .  30
         6.1.5.2.  Renewal . . . . . . . . . . . . . . . . . . . . .  31
         6.1.5.3.  Certificate Revocation Lists (CRLs) . . . . . . .  31
         6.1.5.4.  Lifetimes . . . . . . . . . . . . . . . . . . . .  32
         6.1.5.5.  Re-enrollment . . . . . . . . . . . . . . . . . .  32
         6.1.5.6.  Failing Certificates  . . . . . . . . . . . . . .  34
     6.2.  ACP Adjacency Table . . . . . . . . . . . . . . . . . . .  34
     6.3.  Neighbor Discovery with DULL GRASP  . . . . . . . . . . .  35
     6.4.  Candidate ACP Neighbor Selection  . . . . . . . . . . . .  38
     6.5.  Channel Selection . . . . . . . . . . . . . . . . . . . .  39
     6.6.  Candidate ACP Neighbor verification . . . . . . . . . . .  42
     6.7.  Security Association protocols  . . . . . . . . . . . . .  42
       6.7.1.  ACP via IKEv2 . . . . . . . . . . . . . . . . . . . .  43