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  • White Paper on the Experience-driven 4K

    Bearer Network

    Issue 01

    Date 2016-04-11

    HUAWEI TECHNOLOGIES CO., LTD.

  • Issue 01 (2016-04-08) Huawei Proprietary and Confidential

    Copyright © Huawei Technologies Co., Ltd.

    i

    Copyright © Huawei Technologies Co., Ltd. 2016. All rights reserved.

    No part of this document may be reproduced or transmitted in any form or by any means without prior written

    consent of Huawei Technologies Co., Ltd.

    Trademarks and Permissions

    and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

    All other trademarks and trade names mentioned in this document are the property of their respective holders.

    Notice

    The purchased products, services and features are stipulated by the contract made between Huawei and the customer.

    All or part of the products, services and features described in this document may not be within the purchase scope or

    the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this

    document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or

    implied.

    The information in this document is subject to change without notice. Every effort has been made in the preparation

    of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this

    document do not constitute a warranty of any kind, express or implied.

    Huawei Technologies Co., Ltd.

    Address: Huawei Industrial Base

    Bantian, Longgang

    Shenzhen 518129

    People's Republic of China

    Website: http://www.huawei.com

    Email: [email protected]

    http://www.huawei.com/ mailto:[email protected]

  • White Paper on the Experience-driven 4K Bearer

    Network Contents

    Issue 01 (2016-04-08) Huawei Proprietary and Confidential

    Copyright © Huawei Technologies Co., Ltd.

    ii

    Contents

    About This Document ................................................................................................................... 1

    1 Experience-centric 4K Bearer Network .................................................................................... 2

    1.1 Experience-centric Network Construction Concept......................................................................................... 2

    1.2 U-vMOS ....................................................................................................................................................... 3

    1.3 Experience-driven 4K Bearer Network ........................................................................................................... 7

    1.3.1 Network Requirements for VOD Services with a U-vMOS Score ≥ 4.0 ............................................ 8

    1.3.2 Network Requirements for BTV Services with a U-vMOS Score ≥ 4.0 ............................................10

    1.3.3 Key Characteristics of Experience-driven 4K Bearer Networks........................................................... 11

    2 Experience-driven 4K Bearer Network ................................................................................... 13

    2.1 Target Architecture for the Experience-driven 4K Bearer Network.................................................................13

    2.1.1 Challenges Faced by Legacy Network Architecture ............................................................................13

    2.1.2 Target Architecture for the Best-Experience 4K Bearer Network .........................................................14

    2.2 Stepped Evolution to 4K Bearer Networks ....................................................................................................15

    2.3 Home Network with High-Speed and High Performance Wi-Fi .....................................................................16

    2.4 Access Network ............................................................................................................................................18

    2.4.1 Best 4K Experience Based on FTTH ..................................................................................................18

    2.4.2 Best 4K Experience Based on the Superfast Copper Solution ..............................................................19

    2.4.3 Best 4K Experience Based on D-CCAP ..............................................................................................21

    2.5 Metro/Backbone Network .............................................................................................................................21

    2.5.1 Simplified IP Network Layers ............................................................................................................23

    2.5.2 OTN to CO ........................................................................................................................................30

    2.5.3 Distributed CDN Aligning with the Service Scale ...............................................................................33

    2.5.4 TCP Acceleration for Network Throughput Improvement ...................................................................35

    3 O&M: Visualized Video Experience Management ................................................................. 38

    3.1 Video Experience Perception ........................................................................................................................39

    3.1.1 Carrier Video Experience Perception ..................................................................................................39

    3.1.2 OTT Video Experience Perception .....................................................................................................40

    3.2 Video Trouble Shooting ................................................................................................................................40

  • White Paper on the Experience-driven 4K Bearer

    Network Contents

    Issue 01 (2016-04-08) Huawei Proprietary and Confidential

    Copyright © Huawei Technologies Co., Ltd.

    iii

    4 Prospect .................................................................................................................................... 43

    A References................................................................................................................................ 45

    B Acronyms and Abbreviations .................................................................................................. 46

  • White Paper on the Experience-driven 4K Bearer

    Network Tables

    Issue 01 (2016-04-08) Huawei Proprietary and Confidential

    Copyright © Huawei Technologies Co., Ltd.

    iv

    Tables

    Table 1-1 Comparison between the three 4K grades ......................................................................................... 3

    Table 1-2 Maximum sQuality values for videos of varying resolutions on typical screens ................................. 4

    Table 1-3 Typical sZapping values .................................................................................................................. 5

    Table 1-4 Typical sLoading values .................................................................................................................. 5

    Table 1-5 Typical sStalling values of videos on smartphones/Pads in a one-minute period ................................ 7

    Table 1-6 Typical sStalling values of videos on TVs in a 45-minute period ...................................................... 7

    Table 1-7 Typical sBlocking values ................................................................................................................. 7

    Table 1-8 TCP throughput requirements for varying RTTs ............................................................................... 9

    Table 1-9 Network requirements for a U-vMOS score ≥ 4.0 ............................................................................ 11

    Table 2-1 Typical network KPIs for different access technologies ...................................................................19

    Table 2-2 Traffic model for target architecture 1 .............................................................................................25

    Table 2-3 Traffic model 1 for target architecture 3 ..........................................................................................29

    Table 2-4 Traffic model 2 for target architecture 3 ..........................................................................................30

    Table 2-5 TCP acceleration effects in the case of 100 Mbps bandwidth, 4 ms delay, and increasing packet loss

    rates ...............................................................................................................................................................35

    Table 2-6 TCP acceleration effects in the case of 100 Mbps bandwidth, 0.01% packet loss rate, and increasing

    delay ..............................................................................................................................................................36

    Table 2-7 Comparison between TCP acceleration methods..............................................................................37