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Network Working Group                                              H. Li
Internet-Draft                             Huawei Technologies Co., Ltd.
Intended status: Experimental                                    T. Haag
Expires: February 18, 2019                                 B. Witschurke
                                                        Deutsche Telekom
                                                         August 17, 2018


         Access Extensions for the Access Node Control Protocol
              draft-ietf-ancp-protocol-access-extension-00

Abstract

   The purpose of this document is to specify extensions to ANCP (Access
   Node Control Protocol) (RFC6320) to support PON as described in
   RFC6934 and some other DSL Technologies including G.fast.  This
   document updates RFC6320 by modifications to terminologies, flows and
   specifying new TLV types.

   This document updates RFC6320 by modifications to terminologies,
   flows and specifying new TLV types.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

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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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on February 18, 2019.







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Internet-Draft              Abbreviated-Title                August 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
   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 . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  3. Modification to ANCP - General Aspects . . . . . . . . . .   4
   4.  Modification to DSL-Type TLV 0x0091 . . . . . . . . . . . . .   5
   5.  Extension to DSL Sub TLV  . . . . . . . . . . . . . . . . . .   5
     5.1.  Expected Throughput (ETR) TLV . . . . . . . . . . . . . .   5
     5.2.  Attainable Expected Throughput (ATTETR) . . . . . . . . .   6
     5.3.  Attainable Expected Throughput at L2  . . . . . . . . . .   6
     5.4.  Gamma data rate (GDR) upstream  . . . . . . . . . . . . .   6
     5.5.  Gamma data rate (GDR) downstream  . . . . . . . . . . . .   6
     5.6.  Attainable Gamma data rate (ATTGDR) upstream  . . . . . .   7
     5.7.  Attainable Gamma data rate (ATTGDR) downstream  . . . . .   7
   6.  ANCP-Based PON Topology Discovery . . . . . . . . . . . . . .   7
     6.1.  ANCP Port Up and Port Down Event Message Descriptions . .   7
     6.2.  PON Access Line Identification  . . . . . . . . . . . . .   9
       6.2.1.  Access-Loop-Circuit-ID TLV  . . . . . . . . . . . . .   9
       6.2.2.  Access-Loop-Remote-ID TLV . . . . . . . . . . . . . .  10
     6.3.  TLVs for PON Access Line Attributes . . . . . . . . . . .  10
       6.3.1.  PON-Access-Line-Attributes TLV  . . . . . . . . . . .  10
       6.3.2.  PON-Access-Type TLV . . . . . . . . . . . . . . . . .  10
       6.3.3.  ONT/ONU-Average-Data-Rate-Downstream TLV  . . . . . .  11
       6.3.4.  ONT/ONU-Peak-Data-Rate-Downstream TLV . . . . . . . .  11
       6.3.5.  ONT/ONU-Maximum-Data-Rate-Upstream TLV  . . . . . . .  11
       6.3.6.  ONT/ONU-Assured-Data-Rate-Upstream TLV  . . . . . . .  11
       6.3.7.  PON-Tree-Maximum-Data-Rate-Upstream TLV . . . . . . .  12
       6.3.8.  PON-Tree-Maximum-Data-Rate-Downstream TLV . . . . . .  12
       6.3.9.  Reserved TLV  . . . . . . . . . . . . . . . . . . . .  12
       6.3.10. Reserved TLV  . . . . . . . . . . . . . . . . . . . .  12
   7.  IANA Actions  . . . . . . . . . . . . . . . . . . . . . . . .  12
     7.1.  ANCP TLV Type Registry  . . . . . . . . . . . . . . . . .  12
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  13



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