Performance Measurement for Geneve
draft-xiao-nvo3-pm-geneve-00

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NVO3 Working Group                                                X. Min
Internet-Draft                                                 G. Mirsky
Intended status: Standards Track                               ZTE Corp.
Expires: May 5, 2020                                       S. Pallagatti
                                                                  VMware
                                                        November 2, 2019

                   Performance Measurement for Geneve
                      draft-xiao-nvo3-pm-geneve-00

Abstract

   This document describes the method to achieve Performance Measurement
   (PM) in point-to-point Generic Network Virtualization Encapsulation
   (Geneve) tunnels that form an overlay network.

Status of This Memo

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   This Internet-Draft will expire on May 5, 2020.

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   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   2
     2.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   2
     2.2.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   3.  PM Packet Transmission over Geneve Tunnel . . . . . . . . . .   3
     3.1.  PM Encapsulation With Inner Ethernet/IP/UDP Headers . . .   3
     3.2.  PM Encapsulation With Inner IP/UDP Headers  . . . . . . .   5
     3.3.  PM Encapsulation With Inner MPLS Header . . . . . . . . .   7
   4.  Reception of PM packet from Geneve Tunnel . . . . . . . . . .   9
     4.1.  Demultiplexing of the PM packet . . . . . . . . . . . . .   9
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  10
   8.  Normative References  . . . . . . . . . . . . . . . . . . . .  10
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   "Generic Network Virtualization Encapsulation" (Geneve)
   [I-D.ietf-nvo3-geneve] provides an encapsulation scheme that allows
   building an overlay network by decoupling the address space of the
   attached virtual hosts from that of the network.

   This document describes the use of Packet Loss and Delay Measurement
   for MPLS Networks [RFC6374], as well as Simple Two-way Active
   Measurement Protocol [I-D.ietf-ippm-stamp], to enable measuring the
   performance of the path between two Geneve tunnel endpoints.

   In this document, NVE (Network Virtualization Edge) represents a
   Geneve tunnel endpoint, TS (Tenant System) represents a physical or
   virtual device attached to a Geneve tunnel endpoint, and VAP (Virtual
   Access Point) represents the NVE side of the interface between the
   NVE and the TS.

2.  Conventions Used in This Document

2.1.  Terminology

   GAL: Generic Associated Channel Label

   G-ACh: Generic Associated Channel

   Geneve: Generic Network Virtualization Encapsulation

   MPLS: Multiprotocol Label Switching

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   NVE: Network Virtualization Edge

   PM: Performance Measurement

   STAMP: Simple Two-way Active Measurement Protocol

   TS: Tenant System

   VAP: Virtual Access Point

   VNI: Virtual Network Identifier

2.2.  Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
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