Considerations of Deploying ALTO using BGP - Link State (BGP-LS) Advertisement
draft-zhang-alto-bgp-ls-00

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ALTO WG                                                         J. Zhang
Internet-Draft                                         Tongji University
Intended status: Informational                                    K. Gao
Expires: 10 September 2020                            Sichuan University
                                                           LM. Contreras
                                                              Telefonica
                                                            A. Escribano
                                                                   Alten
                                                                 P. Cano
                                                              UST Global
                                                                 F. Cano
                                                              Telefonica
                                                            9 March 2020

    Considerations of Deploying ALTO using BGP - Link State (BGP-LS)
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                       draft-zhang-alto-bgp-ls-00

Abstract

   This document discusses the requirements and deployment
   considerations of providing Application-Layer Traffic Optimization
   (ALTO) information in the inter-domain scenario using Border Gateway
   Protocol - Link State (BGP-LS) extension.

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 [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
   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 10 September 2020.

Zhang, et al.           Expires 10 September 2020               [Page 1]
Internet-Draft              ALTO using BGP-LS                 March 2020

Copyright Notice

   Copyright (c) 2020 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  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Background  . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  ALTO Inter-domain Deployment Problem  . . . . . . . . . .   3
     2.2.  BGP-LS Background and Benefits for ALTO . . . . . . . . .   4
     2.3.  ALTO Deployment Problem using BGP-LS  . . . . . . . . . .   4
   3.  Requirements for Deploying ALTO in the Inter-domain Scenario
           using BGP-LS  . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Basic Requirements  . . . . . . . . . . . . . . . . . . .   5
     3.2.  BGP-LS specific Requirements  . . . . . . . . . . . . . .   6
   4.  ALTO Deployment Considerations using BGP-LS . . . . . . . . .   6
     4.1.  Provisioning of Topology Information  . . . . . . . . . .   6
     4.2.  Provisioning of Routing Information . . . . . . . . . . .   6
     4.3.  Provisioning of Performance Metric Information  . . . . .   7
   5.  Configuration Interfaces of Map Calculation . . . . . . . . .   7
     5.1.  Configuration Interface of Network Map Calculation  . . .   7
     5.2.  Configuration Interface of Cost Map Calculation . . . . .   7
     5.3.  Configuration Examples  . . . . . . . . . . . . . . . . .   8
   6.  Test Scenarios  . . . . . . . . . . . . . . . . . . . . . . .  13
     6.1.  Test Environment Setup  . . . . . . . . . . . . . . . . .  13
     6.2.  Test Approach . . . . . . . . . . . . . . . . . . . . . .  13
     6.3.  Test Results  . . . . . . . . . . . . . . . . . . . . . .  13
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  14
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