Diameter Overload Rate Control
RFC 8582

Document Type RFC - Proposed Standard (August 2019; No errata)
Last updated 2019-08-15
Replaces draft-donovan-dime-doc-rate-control
Stream IETF
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Reviews
Stream WG state Submitted to IESG for Publication
Document shepherd Lionel Morand
Shepherd write-up Show (last changed 2018-03-06)
IESG IESG state RFC 8582 (Proposed Standard)
Consensus Boilerplate Yes
Telechat date
Responsible AD Ignas Bagdonas
Send notices to Lionel Morand <lionel.morand@orange.com>
IANA IANA review state IANA OK - Actions Needed
IANA action state RFC-Ed-Ack
Internet Engineering Task Force (IETF)                   S. Donovan, Ed.
Request for Comments: 8582                                        Oracle
Category: Standards Track                                        E. Noel
ISSN: 2070-1721                                                AT&T Labs
                                                             August 2019

                     Diameter Overload Rate Control

Abstract

   This specification documents an extension to the Diameter Overload
   Indication Conveyance (DOIC) base solution, which is defined in RFC
   7683.  This extension adds a new overload-control abatement
   algorithm.  This abatement algorithm allows for a DOIC reporting node
   to specify a maximum rate at which a DOIC reacting node sends
   Diameter requests to the DOIC reporting node.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   https://www.rfc-editor.org/info/rfc8582.

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.

Donovan & Noel               Standards Track                    [Page 1]
RFC 8582             Diameter Overload Rate Control          August 2019

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Requirements  . . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Interaction with DOIC Report Types  . . . . . . . . . . . . .   5
   5.  Capability Announcement . . . . . . . . . . . . . . . . . . .   6
   6.  Overload-Report Handling  . . . . . . . . . . . . . . . . . .   7
     6.1.  Reporting-Node OCS  . . . . . . . . . . . . . . . . . . .   7
     6.2.  Reacting-Node OCS . . . . . . . . . . . . . . . . . . . .   7
     6.3.  Reporting-Node Maintenance of OCS . . . . . . . . . . . .   8
     6.4.  Reacting-Node Maintenance of OCS  . . . . . . . . . . . .   8
     6.5.  Reporting-Node Behavior for Rate Abatement Algorithm  . .   9
     6.6.  Reacting-Node Behavior for Rate Abatement Algorithm . . .   9
   7.  Rate Abatement Algorithm AVPs . . . . . . . . . . . . . . . .   9
     7.1.  OC-Supported-Features AVP . . . . . . . . . . . . . . . .   9
       7.1.1.  OC-Feature-Vector AVP . . . . . . . . . . . . . . . .  10
     7.2.  OC-OLR AVP  . . . . . . . . . . . . . . . . . . . . . . .  10
       7.2.1.  OC-Maximum-Rate AVP . . . . . . . . . . . . . . . . .  10
     7.3.  Attribute-Value Pair Flag Rules . . . . . . . . . . . . .  11
   8.  Rate Abatement Algorithm  . . . . . . . . . . . . . . . . . .  11
     8.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .  11
     8.2.  Reporting-Node Behavior . . . . . . . . . . . . . . . . .  11
     8.3.  Reacting-Node Behavior  . . . . . . . . . . . . . . . . .  13
       8.3.1.  Default Algorithm for Rate-Based Control  . . . . . .  13
       8.3.2.  Priority Treatment  . . . . . . . . . . . . . . . . .  16
       8.3.3.  Optional Enhancement: Avoidance of Resonance  . . . .  17
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  19
     9.1.  OC-Supported-Features . . . . . . . . . . . . . . . . . .  19
   10. Security Considerations . . . . . . . . . . . . . . . . . . .  19
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  19
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  19
     11.2.  Informative References . . . . . . . . . . . . . . . . .  20
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  20
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  20

Donovan & Noel               Standards Track                    [Page 2]
RFC 8582             Diameter Overload Rate Control          August 2019

1.  Introduction

   This document defines a new Diameter overload-control abatement
   algorithm, the "rate" algorithm.

   The base Diameter overload specification [RFC7683] defines the "loss
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