Path Information Detection in Application-aware IPv6 Networking
draft-du-apn6-path-infomation-detection-00

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Last updated 2020-07-13
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Network Working Group                                              Z. Du
Internet-Draft                                                    P. Liu
Intended status: Standards Track                                 L. Geng
Expires: January 14, 2021                                   China Mobile
                                                           July 13, 2020

    Path Information Detection in Application-aware IPv6 Networking
               draft-du-apn6-path-infomation-detection-00

Abstract

   This document introduces a method to detect path information in
   Application-aware IPv6 Networking.

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
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   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on January 14, 2021.

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

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   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.  Current Mechanism in APN6 . . . . . . . . . . . . . . . . . .   2
   3.  Path Latency Information Detection  . . . . . . . . . . . . .   3
   4.  Other Path Information Detection  . . . . . . . . . . . . . .   4
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   5
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     8.2.  Informative References  . . . . . . . . . . . . . . . . .   5
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   5

1.  Introduction

   Application-aware IPv6 Networking is a kind of self-identified
   mechanism per packet.  In the mechanism of APN6
   [I-D.li-apn6-problem-statement-usecases], an IPv6 packet can carry
   the APP ID information and SLA requirements of the traffic in its
   Extension Headers.  Therefore, the network equipment can analyze them
   in each packet and handle the packet accordingly.

   This novel mechanism can enable the negotiation between the user
   traffic and the network.  The network can supply proper treatment for
   different kinds of user traffic.  As a result of this flexible on-
   demand SLA mechanism, the user can get a better experience, and the
   network resource can be scheduled more efficiently.

   However, the current mechanism in APN6 only enables a unidirectional
   information notification, i.e., from the APP/user to the network.
   The APP/user is not aware of the path information in the network.  In
   some cases, it is not sufficient.  A bidirectional information
   negotiation mechanism can enable a more powerful APN6 platform.

   This document introduces the process of the path information
   detection mechanism in APN6 by extending some IPv6 Extension Headers.

2.  Current Mechanism in APN6

   As shown in Figure 1, the APN framework [I-D.li-apn-framework]
   includes App (Client and Server), App-aware Edge, App-aware-process

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   Head-End, App-aware-process Mid-Point, and App-aware-process End-
   Point.

  Client                                                         Server
  +-----+                                                        +-----+
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