Supporting Multi-domain Use Cases with ALTO
draft-lachos-alto-multi-domain-use-cases-01

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Last updated 2020-07-13
Replaces draft-lachos-multi-domain-use-cases-alto
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ALTO WG                                                        D. Lachos
Internet-Draft                                             C. Rothenberg
Intended status: Informational                                   Unicamp
Expires: January 14, 2021                                       Q. Xiang
                                                                 Y. Yang
                                                         Yale University
                                                               B. Ohlman
                                                       Ericsson Research
                                                          S. Randriamasy
                                                         Nokia Bell Labs
                                                                F. Boten
                                                                  Sprint
                                                           LM. Contreras
                                                              Telefonica
                                                                J. Zhang
                                                       Tongji University
                                                                  K. Gao
                                                      Sichuan University
                                                           July 13, 2020

              Supporting Multi-domain Use Cases with ALTO
              draft-lachos-alto-multi-domain-use-cases-01

Abstract

   The goal of this document is to summarize current standardization
   efforts in the IETF ALTO working group to support important multi-
   domain use cases and show how they can benefit from network
   information exposure using ALTO.  Besides, key design requirements of
   network information exposure to support multi-domain use cases are
   also presented along with information about novel mechanisms and
   abstractions to improve the base ALTO framework in multi-domain
   scenarios.

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
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   and may be updated, replaced, or obsoleted by other documents at any

Lachos, et al.          Expires January 14, 2021                [Page 1]
Internet-Draft      Multi-domain use cases with ALTO           July 2020

   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 14, 2021.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Network Information Exposure: Current ALTO Context  . . . . .   4
   3.  Multi-domain Use Cases  . . . . . . . . . . . . . . . . . . .   5
     3.1.  Multi-domain, collaborative data sciences . . . . . . . .   5
       3.1.1.  How can multi-domain resource orchestration benefit
               from ALTO?  . . . . . . . . . . . . . . . . . . . . .   6
       3.1.2.  Example . . . . . . . . . . . . . . . . . . . . . . .   6
     3.2.  Multi-domain SFC  . . . . . . . . . . . . . . . . . . . .   7
       3.2.1.  How can multi-domain SFC benefit from ALTO? . . . . .   8
       3.2.2.  Example . . . . . . . . . . . . . . . . . . . . . . .   8
     3.3.  Multi-domain SDN  . . . . . . . . . . . . . . . . . . . .  10
       3.3.1.  How can flexible interdomain routing benefit from
               ALTO? . . . . . . . . . . . . . . . . . . . . . . . .  10
       3.3.2.  Example . . . . . . . . . . . . . . . . . . . . . . .  11
   4.  Requirements on Multi-domain Network Information Exposure . .  11
     4.1.  Design Requirements . . . . . . . . . . . . . . . . . . .  11
     4.2.  Existing Efforts in the ALTO Working Group  . . . . . . .  12
   5.  Novel Multi-domain Mechanisms and Abstractions  . . . . . . .  13
     5.1.  Multi-domain Aggregation  . . . . . . . . . . . . . . . .  13
       5.1.1.  Workflow  . . . . . . . . . . . . . . . . . . . . . .  14
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