Netorium Whitepaper Netorium Concept of Layered Networks - NCLN

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Netorium Whitepaper Netorium Concept of Layered Networks - NCLN netorium AG Borsigstraße 11-13 65205 Wiesbaden Tel. +49 6122 170 96-0 Fax +49 6122 170 96-99 Email [email protected] netorium Whitepaper netorium Concept of Layered Networks - NCLN Zweite überarbeitete Ausgabe Version: 2.0 Autor: Andreas Lautenschläger 2 von 39 Netorium Whitepaper „netorium Concept of Layered Networks” – zweite Ausgabe Dokument Metadaten Status In Bearbeitung Version 2.0 Datum 18.05.2020 Autor Andreas Lautenschläger Auftraggeber Netorium Projekt Video over IP Strategie Titel Whitepaper Netorium Concept of Layered Networks – NCLN Zweite überarbeitete Ausgabe Datei Net Video over IP Whitepaper Projekt Nummer Offene Themen Offenes Thema Bearbeiter Historie Version Datum Änderung Autor 2.0 06.01.2021 Allgemeine Überarbeitung, Ergänzungen: A Lautenschläger PTP, SMPTE ST 2059, NDI, AES67, Livewire, ZIXI, RIST und Cloudszenarien Weitere Dokumente Version Dokument Datei © netorium AG 2021 3 von 39 Netorium Whitepaper „netorium Concept of Layered Networks” – zweite Ausgabe Inhaltsverzeichnis 1. Einführung .................................................................................................................................. 5 1.1. Über dieses Dokument ............................................................................................................. 5 1.1.1. Zweite Ausgabe .................................................................................................................... 5 2. Video over IP .............................................................................................................................. 6 2.1. SMPTE ST 2110 und die Elementarströme .............................................................................. 6 3. SMPTE 2110 Protokollfamilie...................................................................................................... 8 3.1. SMPTE ST 2110 -10 / -21 Timing, Metadaten, Steuerung der “Burstiness” .............................. 8 3.2. SMPTE ST2110 -20 / -22 - Video ............................................................................................. 9 3.3. SMPTE ST2110 -30 / -31 - Audio ............................................................................................. 9 3.4. SMPTE ST2110 -40 - Ancillary Data ...................................................................................... 10 4. NMOS Protokoll Familie ............................................................................................................ 11 4.1. Discovery, Registrieren und Verwalten von Medienströmen (IS-04 / IS-05) ........................... 12 4.2. Steuerung von Netzwerkverbindungen (IS-06) ....................................................................... 12 4.3. Mehr als virtuelle GPIs (IS-07) ............................................................................................... 13 5. Audio over IP – AES-67 und Livewire+ ..................................................................................... 15 5.1. Das AES-67 Protokoll ............................................................................................................ 15 5.1.1. AES-67 Audio Encoding ...................................................................................................... 15 5.1.2. Synchronisation in AES-67 Netzen ..................................................................................... 15 5.2. Livewire+ ............................................................................................................................... 16 6. Network Device Interface - NDI ................................................................................................. 17 6.1. Die NDI Technologie .............................................................................................................. 17 6.2. Unterstützung von CPU- Architekturen .................................................................................. 17 6.3. NDI in Wi-Fi- und Weitverkehrsnetzwerken (WAN) ................................................................ 18 6.4. Metadatentransport in NDI ..................................................................................................... 18 7. SMPTE ST 2022 Protokollfamilie .............................................................................................. 19 7.1. SMPTE ST 2022 –1 / -2 / -3 / -4 - MPEG Transport Ströme ................................................... 19 7.2. SMPTE ST 2022 -5 - FEC for High Bit Rate Media Transport ................................................ 20 7.3. SMPTE ST 2022 -6 - Transport of High Bit Rate Media Signals ............................................. 20 7.4. SMPTE ST 2022 -7 - Seamless Protection Switching ............................................................ 20 7.5. SMPTE ST 2022 -8 – Integration des ST 2110-10 Timing- Modell ......................................... 21 8. Vergleich gängiger IP-Videoprotokolle in der Produktion........................................................... 22 9. Transportprotokolle im WAN Umfeld ......................................................................................... 23 9.1. Secure Reliable Transport – SRT .......................................................................................... 23 9.2. ZiXi - Protokoll ....................................................................................................................... 23 9.3. RIST - Protokoll...................................................................................................................... 24 10. Das Netzwerk Konzept ............................................................................................................ 26 10.1. Die Spine-Leaf Architektur ................................................................................................... 26 10.2. Vorteile der Spine-Leaf Architektur im SMPTE ST2110 Umfeld ........................................... 27 10.2.1. Equal-Cost Multi-Pathing (ECMP) ..................................................................................... 27 © netorium AG 2021 4 von 39 Netorium Whitepaper „netorium Concept of Layered Networks” – zweite Ausgabe 10.2.2. Transparent Interconnection of Lots of Links (TRILL) ........................................................ 27 10.2.3. Shortest Path Bridging (SPB) ............................................................................................ 28 10.2.4. Routed Domais ................................................................................................................. 28 10.3. Multicast ............................................................................................................................... 28 10.3.1. Internet Group Management Protocol (IGMP) ................................................................... 29 10.3.2. Internet Control Message Protocol (ICMP) ........................................................................ 29 10.4. Precision Time Protocol – PTP Version 2 ............................................................................. 29 10.4.1. Uhren Typen in PTP .......................................................................................................... 31 10.4.2. PTP Netzorganisation ....................................................................................................... 31 10.4.3. PTP Betrieb....................................................................................................................... 31 10.4.4. SMPTE ST 2059 ............................................................................................................... 32 11. Das “Netorium Concept of Layered Networks” (NCLN) ........................................................... 33 11.1. Die NCLN - Anforderungszonen ........................................................................................... 33 11.1.1. Zone 1: Produktion / Playout ............................................................................................. 34 11.1.2. Zone 2: Campus Transport ............................................................................................... 35 11.1.3. Zone 3: Überregionaler Signalaustausch .......................................................................... 36 11.1.4. Clouddienste in der Zone 3 ............................................................................................... 37 11.2. NCLN – vollständig software-definiert .................................................................................. 37 11.3. Umsetzungsverfahren .......................................................................................................... 37 © netorium AG 2021 5 von 39 Netorium Whitepaper „netorium Concept of Layered Networks” – zweite Ausgabe 1. Einführung Mit steigenden Bandbreiten und sinkenden Gerätepreisen verdrängen IP-basierte Übertragungstechnologien dedizierte Kommunikationssysteme mehr und mehr. Die schiere Menge an Konnektoren, die derzeit auf professionellen AV Appliances zu finden sind, machen einige der Vorteile deutlich, die eine IP-/ Ethernet-basierte Lösung birgt. Die Möglichkeiten HD- oder UHD Signale als Standard in einer 10Gb/s- oder einer 100Gb/s Infrastruktur unterzubringen, ist ein weiteres Argument für die mittelfristige Migration zu IP. Mit SMPTE 2022-6 wird das Wrapping aller SDI- Formate innerhalb von IP definiert. Mit SMPTE 2110 erhält die Branche endlich einen Standard, der von Grund auf so konzipiert ist, dass er Video-, Audio- und Zusatzdaten auseinanderbricht und wirklich flexible Arbeitsabläufe auf der Basis der
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