ALTO for Multi-Domain Applications: A Review of Use Cases and Design Requirements
draft-xiang-alto-multidomain-usecases-00

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ALTO WG                                                         Q. Xiang
Internet-Draft                                           Yale University
Intended status: Informational                                     F. Le
Expires: September 12, 2019                                          IBM
                                                                 Y. Yang
                                                         Yale University
                                                          March 11, 2019

  ALTO for Multi-Domain Applications: A Review of Use Cases and Design
                              Requirements
              draft-xiang-alto-multidomain-usecases-00.txt

Abstract

   With the development of novel network technology, such as software
   defined networking and network function virtualization, many novel
   multi-domain applications, such as flexible interdomain routing,
   distributed, federated machine learning and multi-domain
   collaborative dataset transfer, have been deployed.  These
   applications can benefit substantially from the ALTO protocol
   [RFC7285], through which the information of multiple networks can be
   provided to applications.  This document first introduces several
   multi-domain applications and how they can benefit from ALTO.  It
   then describes a generic framework for multi-domain applications to
   use ALTO to improve the performance, followed by a discussion on new
   requirements and challenges for ALTO to better support these
   applications.

Status of This Memo

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   This Internet-Draft will expire on September 12, 2019.

Xiang, et al.          Expires September 12, 2019               [Page 1]
Internet-Draft            ALTO for Multi-Domain               March 2019

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements Language . . . . . . . . . . . . . . . . . . . .   3
   3.  Review of Multi-Domain Applications . . . . . . . . . . . . .   3
     3.1.  Flexible Interdomain Routing  . . . . . . . . . . . . . .   3
       3.1.1.  How flexible interdomain routing can benefit from
               ALTO? . . . . . . . . . . . . . . . . . . . . . . . .   3
       3.1.2.  Example . . . . . . . . . . . . . . . . . . . . . . .   4
     3.2.  Resource Orchestration for Collaborative Data Sciences  .   4
       3.2.1.  How multi-domain resource orchestration can benefit
               from ALTO . . . . . . . . . . . . . . . . . . . . . .   4
       3.2.2.  Example . . . . . . . . . . . . . . . . . . . . . . .   5
     3.3.  Federated Machine Learning  . . . . . . . . . . . . . . .   6
       3.3.1.  How federated machine learning can benefit from ALTO    6
       3.3.2.  Example . . . . . . . . . . . . . . . . . . . . . . .   6
   4.  A Generic Framework . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Workflow  . . . . . . . . . . . . . . . . . . . . . . . .   8
   5.  Requirements of ALTO in Multi-Domain Applications . . . . . .   9
     5.1.  Design Requirements . . . . . . . . . . . . . . . . . . .   9
     5.2.  Existing Efforts in the ALTO Working Group  . . . . . . .  10
   6.  Summary . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  10
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   The ALTO protocol [RFC7285] provides network information to
   applications so that applications can make network informed decisions
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