Beyond the Digital Conversion The Integration of Information Technology and Professional Media 31 March 2014 The Convergence of 2 Industries - The Adoption of Information Technology by the Professional Media Industry Report of the SMPTE Study Group on Media Production System Network Architecture Copyright © 2014 by the Society of Motion Picture and Television Engineers ®, Inc. (SMPTE ®). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, with the express written permission of the publisher. Society of Motion Picture and Television Engineers® 3 Barker Avenue White Plains, NY 10601 USA www.smpte.org Beyond the Digital Conversion The Integration of Information Technology and Professional Media The Convergence of 2 Industries - The Adoption of Information Technology by the Professional Media Industry Report of the SMPTE Study Group on Media Production System Network Architecture Report of the SMPTE® Study Group on Media Production System Network Architecture, 31 March 2014 Page 1 © 2014 by the Society of Motion Picture and Television Engineers® (SMPTE®) – All Rights Reserved. Society of Motion Picture and Television Engineers® 3 Barker Avenue White Plains, NY 10601 USA www.smpte.org 27 March 2014 Table of Contents 1. Introduction ........................................................................................................................................................... 7 2. Scope ..................................................................................................................................................................... 8 3. Introduction to the Professional Media Production Systems ................................................................................ 8 3.1. Introduction to the Broadcast Plant (for Information Technology Professionals) ........................................ 9 3.1.1. The Typical Broadcast Plant Today ........................................................................................................ 9 3.1.2. Today’s Digital Audio and Video Standards ......................................................................................... 10 3.1.3. Uncompressed Video over IP Standards .............................................................................................. 11 3.2. Typical Use Cases ......................................................................................................................................... 11 3.2.1. Television Production Control Room User Requirements and Expectations ....................................... 11 3.2.2. Remote Production Truck (OB Van) ..................................................................................................... 13 3.2.3. Television Master Control Rooms, User Requirements and Expectations .......................................... 13 3.2.4. Time and Synchronization with IP ....................................................................................................... 18 3.2.5. Digital Audio Distribution Over IP ........................................................................................................ 18 3.2.6. Edit Rooms ........................................................................................................................................... 19 3.2.7. Remote Feeds from a Live Event ......................................................................................................... 22 3.3. Successful Implementations ........................................................................................................................ 22 3.3.1. Use of JPEG 2000 over IP at Big Ten Network ..................................................................................... 22 3.3.2. Additional Uses of JPEG 2000 over IP .................................................................................................. 23 3.3.3. Electronic News Gathering over Packet Switched Networks ............................................................... 23 © 2014 by the Society of Motion Picture and Television Engineers® (SMPTE®) – All Rights Reserved. Society of Motion Picture and Television Engineers® 3 Barker Avenue White Plains, NY 10601 USA www.smpte.org 3.4. The Requirements of Professional Media Networks ................................................................................... 24 3.4.1. Real-time media delivery vs. file-based workflows ............................................................................. 25 3.4.2. Essence vs. control ............................................................................................................................... 25 3.5. Characteristics of Professional Media Systems ........................................................................................... 26 4. Managed Networks ............................................................................................................................................. 27 4.1. Managed Networks Basics ........................................................................................................................... 27 4.2. Main Features of Managed Networks ......................................................................................................... 28 4.3. Administration Aspects ................................................................................................................................ 29 5. The Convergence of Two Industries .................................................................................................................... 30 5.1. Differences between Professional Media and Information Technology ..................................................... 30 5.2. Common Ground ......................................................................................................................................... 31 6. Information Technology Solutions for Engineered Networks ............................................................................. 33 6.1. Network Models and Stacks ........................................................................................................................ 33 6.1.1. OSI Model ............................................................................................................................................ 33 6.1.2. Internet Protocol (IP) Stack .................................................................................................................. 34 6.1.3. Network Stacks (Conclusion) ............................................................................................................... 34 6.2. IP Addressing ............................................................................................................................................... 34 6.2.1. Subnetting ............................................................................................................................................ 35 6.2.2. IPv4 and IPv6 ........................................................................................................................................ 35 6.2.3. Address Management .......................................................................................................................... 35 6.2.4. In-band and Out of band management ............................................................................................... 36 6.3. Layer 2 – Data Link Layer ............................................................................................................................. 36 6.3.1. Ethernet ............................................................................................................................................... 36 6.3.2. IEEE 802.1 Audio Video Bridging (AVB) ................................................................................................ 36 6.3.2.1. IEEE Standard for Layer 2 Transport Protocol for Time Sensitive Applications in a Bridged LAN 39 © 2014 by the Society of Motion Picture and Television Engineers® (SMPTE®) – All Rights Reserved. Society of Motion Picture and Television Engineers® 3 Barker Avenue White Plains, NY 10601 USA www.smpte.org 6.3.3. Data Center Bridging ............................................................................................................................ 39 6.4. Name Resolution ......................................................................................................................................... 40 6.4.1. Static Name Assignment ...................................................................................................................... 40 6.4.2. Domain Name Services ........................................................................................................................ 40 6.4.3. Dynamic Addressing ............................................................................................................................ 41 6.4.4. The Handle System .............................................................................................................................. 41 6.5. Switching ...................................................................................................................................................... 42 6.6. Routing ......................................................................................................................................................... 42 6.6.1. Static Routing ......................................................................................................................................