Considerations for Benchmarking Network Performance in Containerized Infrastructures
draft-dcn-bmwg-containerized-infra-01

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Benchmarking Methodology Working Group                            K. Sun
Internet-Draft                                                   H. Yang
Intended status: Informational                                   Y. Park
Expires: January 9, 2020                                          Y. Kim
                                                     Soongsil University
                                                                  W. Lee
                                                                    ETRI
                                                            July 8, 2019

  Considerations for Benchmarking Network Performance in Containerized
                            Infrastructures
                 draft-dcn-bmwg-containerized-infra-01

Abstract

   This draft describes benchmarking considerations for the
   containerized infrastructure.  In the containerized infrastructure,
   Virtualized Network Functions(VNFs) are deployed on operating-system-
   level virtualization platform by abstracting the user namespace as
   opposed to virtualization using a hypervisor.  Leveraging this, the
   system configurations and networking scenarios for benchmarking will
   be partially changed by the way in which the resource allocation and
   network technologies speicifed for containerized VNFs.  In this draft
   we compare the state of the art in a container networking
   architecture with networking on VM-based virtualized systems, and
   provide several test scenarios in the containerized infrastructure.

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   This Internet-Draft will expire on January 9, 2020.

Sun, et al.              Expires January 9, 2020                [Page 1]
Internet-Draft      Benchmarking Containerized Infra           July 2019

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Benchmarking Considerations . . . . . . . . . . . . . . . . .   3
     3.1.  Comparison with the VM-based Infrastructure . . . . . . .   3
     3.2.  Container Networking Classification . . . . . . . . . . .   5
     3.3.  Resource Considerations . . . . . . . . . . . . . . . . .   8
   4.  Benchmarking Scenarios for the Containerized Infrastructure .   9
   5.  Additional Considerations . . . . . . . . . . . . . . . . . .  12
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   7.  Acknkowledgement  . . . . . . . . . . . . . . . . . . . . . .  13
   8.  Informative References  . . . . . . . . . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  14

1.  Introduction

   The Benchmarking Methodology Working Group(BMWG) has recently
   expanded its benchmarking scope from Physical Network Function(PNF)
   running on dedicated hardware system to Network Function
   Virtualization(NFV) infrastructure and Virtualized Network
   Function(VNF).  [RFC8172] described considerations for configuring
   NFV infrastructure and benchmarking metrics, and [RFC8204] gives
   guidelines for benchmarking virtual switch which connects VNFs in
   Open Platform for NFV(OPNFV).

   Recently NFV infrastructure has evolved to include a lightweight
   virtualized platform called the containerized infrastructure, where
   VNFs share the same host Operating System(OS) and they are logically
   isolated by using a different namespace.  While previous NFV
   infrastructure uses a hypervisor to allocate resources for Virtual
   Machine(VMs) and instantiate VNFs on it, the containerized
   infrastructure virtualizes resources without a hypervisor, therefore

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