ALTO extension: Entity Property Maps
draft-ietf-alto-unified-props-new-15

Document Type Active Internet-Draft (alto WG)
Authors Wendy Roome  , Sabine Randriamasy  , Y. Yang  , J. Zhang  , Kai Gao 
Last updated 2020-11-26
Replaces draft-roome-alto-unified-props-new
Stream IETF
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Stream WG state Held by WG (wg milestone: Jul 2020 - Submit endpoint prop... )
Revised I-D Needed - Issue raised by WGLC
Document shepherd Vijay Gurbani
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Responsible AD Martin Duke
Send notices to Vijay Gurbani <vijay.gurbani@gmail.com>
ALTO WG                                                         W. Roome
Internet-Draft                                            S. Randriamasy
Intended status: Standards Track                         Nokia Bell Labs
Expires: 31 May 2021                                             Y. Yang
                                                         Yale University
                                                                J. Zhang
                                                       Tongji University
                                                                  K. Gao
                                                      Sichuan University
                                                        27 November 2020

                  ALTO extension: Entity Property Maps
                  draft-ietf-alto-unified-props-new-15

Abstract

   This document extends the base Application-Layer Traffic Optimization
   (ALTO) Protocol by generalizing the concept of "endpoint properties"
   to generic types of entities, and by presenting those properties as
   maps, similar to the network and cost maps in the base ALTO protocol.
   The protocol is extended in two major directions.  First, from
   endpoints restricted to IP addresses to entities covering a wider and
   extensible set of objects; second, from properties on specific
   endpoints to entire entity property maps.  These extensions introduce
   additional features allowing entities and property values to be
   specific to a given information resource.  This is made possible by a
   generic and flexible design of entity and property types.

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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   Drafts is at https://datatracker.ietf.org/drafts/current/.

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   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 31 May 2021.

Roome, et al.              Expires 31 May 2021                  [Page 1]
Internet-Draft            Entity Property Maps             November 2020

Copyright Notice

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   document authors.  All rights reserved.

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   Provisions Relating to IETF Documents (https://trustee.ietf.org/
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   Please review these documents carefully, as they describe your rights
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   6
   2.  Requirements Language . . . . . . . . . . . . . . . . . . . .   7
   3.  Basic Features of the Entity Property Map Extension . . . . .   7
     3.1.  Entity  . . . . . . . . . . . . . . . . . . . . . . . . .   7
     3.2.  Entity Domain . . . . . . . . . . . . . . . . . . . . . .   8
       3.2.1.  Entity Domain Type  . . . . . . . . . . . . . . . . .   8
       3.2.2.  Entity Domain Name  . . . . . . . . . . . . . . . . .   9
     3.3.  Entity Property Type  . . . . . . . . . . . . . . . . . .   9
     3.4.  New information resource and media type: ALTO Property
           Map . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
   4.  Advanced Features of the Entity Property Map Extension  . . .  11
     4.1.  Entity Identifier and Entity Domain Name  . . . . . . . .  11
     4.2.  Resource-Specific Entity Domain Name  . . . . . . . . . .  11
     4.3.  Resource-Specific Entity Property Value . . . . . . . . .  12
     4.4.  Entity Hierarchy and Property Inheritance . . . . . . . .  13
       4.4.1.  Entity Hierarchy  . . . . . . . . . . . . . . . . . .  13
       4.4.2.  Property Inheritance  . . . . . . . . . . . . . . . .  14
       4.4.3.  Property Value Unicity  . . . . . . . . . . . . . . .  14
     4.5.  Supported Properties on Entity Domains in Property Map
           Capabilities  . . . . . . . . . . . . . . . . . . . . . .  15
     4.6.  Defining Information Resource for Resource-Specific Entity
           Domains . . . . . . . . . . . . . . . . . . . . . . . . .  15
       4.6.1.  Defining Information Resource and Media Type  . . . .  16
       4.6.2.  Examples of defining information resources
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