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Deliverable D5.1 Content Delivery Vision Broadcast and Multicast Communication Enablers for the Fifth-Generation of Wireless Systems Deliverable D5.1 Content Delivery Vision Version v1.1 Date: 2017/12/01 Document properties: Grant Number: 761498 Document Number: D5.1 Document Title: Content Delivery Vision Editor(s): Nivedita Nouvel (Broadpeak) Authors: David Gomez-Barquero (UPV); Athul Prasad (NOK), Richard Bradbury (BBC), Steve Appleby, Tim Stevens, Rory Turnbull (BT); Nivedita Nouvel (Broadpeak); Peter Sanders (One2Many); Tuan Tran (Expway); Waqar Zia (Nomor) Contractual Date of Delivery: 2017/11/30 Dissemination level: Public Status: Final Version: 1.1 File Name: 5G-Xcast D5.1_v1.1 Abstract This deliverable sets out the vision of a flexible, self-organizing content delivery network which can combine unicast, multicast, broadcast and caching to deliver content cost-effectively at scale. It outlines the broad operation of such as system in a network-agnostic manner and identifies and proposes the core functional elements and the key technology components work together in an overall content delivery system to help realise the 5G-Xcast content delivery vision. Keywords 5G, caching, broadcast, content delivery, multicast, unicast, LTE Broadcast Revision History Revision Date Issued by Description V1.0 2017/11/30 Nivedita Nouvel First version V1.1 2017/12/01 Nivedita Nouvel Editorial changes Disclaimer This 5G-Xcast deliverable is not yet approved nor rejected, neither financially nor content- wise by the European Commission. The approval/rejection decision of work and resources will take place at the Interim Review Meeting planned in September 2018, and the Final Review Meeting planned in 2019, after the monitoring process involving experts has come to an end. 5G-Xcast_D5.1 Executive Summary There is a growing demand from operators to deploy converged video delivery solutions across all their networks (fixed and mobile) and across all the screens, to save on operational and equipment costs. Focusing on the Media & Entertainment vertical, this document reviews relevant business models and technology, and suggests approaches to deliver content in a flexible way; this flexibility being apparent in both the delivery mode (point to point and point to multipoint) and delivery type (fixed and mobile). We refer to these approaches as the Content Distribution Framework (CDF). Different business models are applied when it comes to monetising video delivery. They are important to keep in mind since the revenue flow can greatly impact the success of a service. In addition, we can learn from the success or failure of relevant technologies. This leads to the conclusion that the CDF should adopt the following principles: It should be a generic data delivery framework, and should not rely on the business case from one vertical. It should have a CDN for global coverage, with point-to-multipoint-capable networks at the edge for efficiency. The CDN/network interface should be kept as simple as possible, and applications on end devices should not need modification. It should treat PTM as an internal optimisation capability for network operators which does not need to be exposed as an externally consumable network service in its own right. The use of a PTM capability should be dynamic, following consumption patterns and business rules. The use of local, or on-device storage to allow synchronous, pre-emptive delivery of content efficiently using a PTM capability would be advantageous. Application-layer intelligence is preferred over network features, particularly where the requirements on latency and packet loss are relatively relaxed, such as in typical media delivery scenarios. 1 5G-Xcast_D5.1 Table of Contents Executive Summary ...................................................................................................... 1 Table of Contents ......................................................................................................... 2 List of Figures ............................................................................................................... 4 List of Acronyms and Abbreviations .............................................................................. 5 1 Introduction ............................................................................................................ 7 1.1 Objective of the document .............................................................................. 7 1.2 Structure of the document ............................................................................... 7 2 Video Delivery Market ............................................................................................ 8 2.1 Video services ................................................................................................ 8 2.1.1 Linear Television ..................................................................................... 8 2.1.2 Video-on-Demand (VoD) ......................................................................... 9 2.1.3 Non-linear television .............................................................................. 10 2.2 Mobile video traffic: market size assumptions ............................................... 10 2.3 Business models .......................................................................................... 10 2.3.1 Operator centric business model (On-net model) ................................... 11 2.3.2 Transparent caching business model .................................................... 11 2.3.3 Operator CDN business model .............................................................. 12 2.3.4 Content provider centric business model (OTT Model) .......................... 12 2.3.5 Mobile video delivery business model .................................................... 13 2.3.6 Mobile Broadcasting Business Case ...................................................... 15 2.3.7 Impact of net-neutrality .......................................................................... 16 3 Media delivery technologies – Past and Present .................................................. 17 3.1 The rise of HTTP .......................................................................................... 17 3.2 Broadcast to mobiles .................................................................................... 18 3.2.1 DVB-H ................................................................................................... 19 3.2.2 MediaFLO .............................................................................................. 19 3.2.3 ISDB-T One-Seg ................................................................................... 20 3.2.4 T-DMB ................................................................................................... 20 3.2.5 LTE-Broadcast ....................................................................................... 21 3.3 Lessons learnt .............................................................................................. 23 4 Media delivery technologies – Future................................................................... 24 4.1 ATSC 3.0 ...................................................................................................... 24 4.1.1 Overview ............................................................................................... 24 4.1.2 DASH-IF ATSC broadcast profile ........................................................... 25 4.2 Information Centric Networking ..................................................................... 25 4.2.1 Terminology: ICN, CCN & NDN ............................................................. 25 4.2.2 CCN Basic Description .......................................................................... 26 2 5G-Xcast_D5.1 4.3 Role of NFV .................................................................................................. 27 4.4 Multi-access Edge Computing ...................................................................... 27 4.5 Multi-link (ML) ............................................................................................... 28 4.6 MPTCP ......................................................................................................... 29 4.7 QUIC ............................................................................................................ 30 5 5G Perspectives and Content Delivery Framework Principles ............................. 32 6 References .......................................................................................................... 35 3 5G-Xcast_D5.1 List of Figures Figure 1. Euro 2016 – England vs. Wales- peak audience resulting in peak of network resources consumption. ................................................................................................ 8 Figure 2. Channel change at halftime – irregularity in consumption patterns that leads to reserve unnecessary resources for some periods. ........................................................ 9 Figure 3. The Grand Tour – shows that even VoD content highly time-sensitive. .......... 9 Figure 4. Expected growth of different types of content consumption on mobile devices. ................................................................................................................................... 13 Figure 5. High growth of live video on mobile. ............................................................. 13 Figure 6. AT&T and Verizon LTE mobile download speeds. ....................................... 14 Figure 7. Hybrid (broadcast/broadband)
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