Evaluation Test Cases for Interactive Real-Time Media over Wireless Networks
draft-ietf-rmcat-wireless-tests-00

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Last updated 2015-06-12
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Network Working Group                                          Z. Sarker
Internet-Draft                                              I. Johansson
Intended status: Informational                               Ericsson AB
Expires: December 13, 2015                                 June 11, 2015

  Evaluation Test Cases for Interactive Real-Time Media over Wireless
                                Networks
                   draft-ietf-rmcat-wireless-tests-00

Abstract

   It is evident that to ensure seamless and robust user experience
   across all type of access networks multimedia communication suits
   should adapt to the changing network conditions.  There is an ongoing
   effort in IETF RMCAT working group to standardize rate adaptive
   algorithm(s) to be used in the real-time interactive communication.
   In this document test cases are described to evaluate the
   performances of the proposed endpoint adaptation solutions in LTE
   networks and Wi-Fi networks.  It is aimed that the proposed solutions
   should be evaluated using the test cases defined in this document to
   select most optimal solutions.

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
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   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 December 13, 2015.

Copyright Notice

   Copyright (c) 2015 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
   (http://trustee.ietf.org/license-info) in effect on the date of

Sarker & Johansson      Expires December 13, 2015               [Page 1]
Internet-Draft          RMCAT Wireless Test Cases              June 2015

   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   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.  Terminologies . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Cellular Network Specific Test Cases  . . . . . . . . . . . .   3
     3.1.  Varying Network Load  . . . . . . . . . . . . . . . . . .   5
       3.1.1.  Network Connection  . . . . . . . . . . . . . . . . .   6
       3.1.2.  Simulation Setup  . . . . . . . . . . . . . . . . . .   6
     3.2.  Bad Radio Coverage  . . . . . . . . . . . . . . . . . . .   8
       3.2.1.  Network connection  . . . . . . . . . . . . . . . . .   8
       3.2.2.  Simulation Setup  . . . . . . . . . . . . . . . . . .   8
     3.3.  Desired Evaluation Metrics for cellular test cases  . . .   9
   4.  Wi-Fi Networks Specific Test Cases  . . . . . . . . . . . . .   9
   5.  Conclusion  . . . . . . . . . . . . . . . . . . . . . . . . .  10
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  10
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  10
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   Wireless networks (both cellular and Wi-Fi [IEEE802.11] local area
   network) are an integral part of the Internet.  Mobile devices
   connected to the wireless networks produces huge amount of media
   traffic in the Internet.  They covers the scenarios of having a video
   call in the bus to media consumption sitting on a couch in a living
   room.  It is a well known fact that the characteristic and challenges
   for offering service over wireless network are very different than
   providing the same over a wired network.  Even though RMCAT basic
   test cases defines number of test cases that covers lots of effects
   of the impairments visible in the wireless networks but there are
   characteristics and dynamics those are unique to particular wireless
   environment.  For example, in the LTE the base station maintains
   queues per radio bearer per user hence it gives different interaction
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