Virtual Machine Mobility Solutions for L2 and L3 Overlay Networks
draft-ietf-nvo3-vmm-05

Document Type Active Internet-Draft (nvo3 WG)
Last updated 2019-08-22
Replaces draft-sarikaya-nvo3-vmm-dmm-pmip
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Intended RFC status Best Current Practice
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Network Working Group                                      L. Dunbar
Internet Draft                                             Futurewei
Intended status: Informational                           B. Sarikaya
Expires: Dec 2019                                Denpel Informatique
                                                       B.Khasnabish
                                                        Independent
                                                          T. Herbert
                                                               Intel
                                                          S. Dikshit
                                                           Aruba-HPE
                                                     August 22, 2019

     Virtual Machine Mobility Solutions for L2 and L3 Overlay Networks
                          draft-ietf-nvo3-vmm-05

Abstract

   This document describes virtual machine mobility solutions commonly
   used in data centers built with overlay-based network. This document
   is intended for describing the solutions and the impact of moving
   VMs (or applications) from one Rack to another connected by the
   Overlay networks.

   For layer 2, it is based on using an NVA (Network Virtualization
   Authority) - NVE (Network Virtualization Edge) protocol to update
   ARP (Address Resolution Protocol) table or neighbor cache entries
   after VM (virtual machine) moves from Old NVE to the New NVE.  For
   Layer 3, it is based on address and connection migration after the
   move.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79. This document may not be modified,
   and derivative works of it may not be created, except to publish it
   as an RFC and to translate it into languages other than English.

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   Copyright (c) 2019 IETF Trust and the persons identified as the
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Table of Contents

   1. Introduction...................................................3
   2. Conventions used in this document..............................4
   3. Requirements...................................................5
   4. Overview of the VM Mobility Solutions..........................6
      4.1. VM Migration in Layer 2 Network...........................6

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Internet-Draft           VM Mobility Solution               August 2019

      4.2. Task Migration in Layer-3 Network.........................7
         4.2.1. Address and Connection Migration in Task Migration...8
   5. Handling Packets in Flight.....................................9
   6. Moving Local State of VM......................................10
   7. Handling of Hot, Warm and Cold VM Mobility....................10
   8. VM Operation..................................................11
   9. Security Considerations.......................................12
   10. IANA Considerations..........................................12
   11. Acknowledgments..............................................12
   12. Change Log...................................................12
   13. References...................................................13
      13.1. Normative References....................................13
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