What interoperability means for public broadcasters’ transition to IP. How ST 2110, NMOS and TR-1001 are important in making this happen, and a review of how in practice these are being adopted and used in EBU members’ new facilities.

File Type: pdf
Categories: Case Study
Presenters : Judy Parnall - BBC/EBU
Year : 2019
dlp_document_download : AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 1 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 C U R A T E D B Y IP Interoperability for Public Service Broadcasters Judy Parnall , EBU Technical Committee Chair BBC I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 The promise Move to IP brings the promise of up to date facilities and future -proof facilities 2 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 2 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Reasons to go IP 3 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Reasons to go IP 4 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 3 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Reasons to go IP 5 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Reasons to go IP 6 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 4 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Challenges for the traditional broadcast industry 7 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Media Transport •Expectation based on SDI • Uncompressed • Low -latency • Very few errors • "Specialist" 8 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 5 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 What do broadcasters want from infrastructure? •Cost effective •Flexible •Reliable •Secure •Easy to configure •Interoperable 9 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 What broadcasters have found 10 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 6 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 BBC Cardiff – Mark Patrick, EBU NTS June 2019 LIVE IP Top Benefits • Future proofing, in particular the ability to adopt new formats • Flexibility, supports new ways of working with more dynamic assignment of resources. Allows facilities to be scaled up more easily • Will be the industry standard in roughly the same timescale as Central Square • Will eventually be the lowest cost model due to adoption of COTS hardware and ability to move broadcast functions onto a more generic platform with a distributed routing core 11 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 BBC Cardiff – Mark Patrick, EBU NTS June 2019 LIVE IP Top Risks • Interoperability still not proven standards are very new • There is an obvious Cybersecurity risk • New skills are required to deliver and support Live IP. There is a possibility of change saturation and also an overspend on training • More resources may be required to support delivery of Live IP than planned (this includes resources and capabilities of Systems Integrators) • Refresh cycles are much faster and don’t align well with traditional capital plans 12 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 7 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 BBC Cardiff – Mark Patrick, EBU NTS June 2019 Other Challenges • Audio: ST2110 -30 and AES67 are almost compatible but there are subtle differences • MADI is an effective bridge between eco -systems • We need to consider latency between systemV •PTP is complicated and expensive to implement •NMOS control was highly desired but useful interop has not been delivered by the wider industry in time for the project, despite a lot of continuing hard work 13 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 SRG Zurich – Sandro Furter TPC, EBU NTS June 2019 There are still challenges around: •Dynamic Audio Configuration •PTP •Security •NMOS •Network Architecture 14 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 8 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 CBC Montreal, Louis Lamarre EBU NTS June 2019 •Focus on Resilience and edundancy •Key learnings are: ‒Build your PTP architecture to be simple, reliable and predictable. •Extended redundancy may not be as protective as you think… ‒PTP monitoring is more important than PTP redundancy. ‒Don’t expect devices to report errors, problems, degradation. ‒You can’t test everything, but at least test GMC failover scenarios. 15 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 16 How do we change these complaints into positive contributions? AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 9 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 This was the landscape a year ago o •There were many specifications and standards •They had been developed by multiple groups •There have been many plugfests and demos •They leave lots of options to the implementer •They miss out some parts entirely •This tended to lead to non -interoperability 17 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Technology Pyramid for Media Nodes Minimum user requirements to build and manage an IP -based media facility 18 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 10 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 JT -NM recommendation TR -1001 -1 • What the network needs to provide (DHCP, DNS, PTP …) • What Media Nodes need to do (2110, 2059, IS -04, IS -05, DHCP, DNS …) • Assumes an "engineered network" • Rules for multicast • Rules for disconnect, recovery … 19 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 The challenge • ST2110 promises to be the ‘go to’ IP standard for broadcast signals but it has still got some way to go before it is a simple and universal proposition • ST2110 as a media transport standard works well, albeit with too many options, and it’s only the tip of the pyramid • Vendors need to work on configuration and management tools to provide ‘plug and play’ functionality that is needed by broadcasters • NMOS integration is key to enabling systems to function together but further adoption is needed • There still needs to be a confident leap from the R&D labs to mature and reliable products • The more projects that specify and install IP equipment the sooner all this will happen, but the issues with NMOS support and multiple options within standards are holding broadcasters back • In effect TR -1001 has deprecated mDNS for installations anyway, improving the situation 20 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 11 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Keep Testing •Interoperability testing is key •Really use it to solve problems, not just to get a tick in the box •JT -NM tested programme and badges is proving useful . •Very successful JT -NM tested event held in August 2019 in Wuppertal •Make use of automated tools – EBU LIST and NMOS test tool 21 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Don’t forget security •Design it in •Make it easy to use and be secure •Strengthens the long term usability 22 AIMS IP Showcase IBC 2019 September 2019 Curated by Video Services Forum vsf.tv 12 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Public Service Broadcasters need IP Interoperability Let us work together to make sure that it happens 23 I P S H O W C A S E T H E AT R E AT I B C 2 0 1 9 : 1 3 –1 7 S E P T 2 0 1 9 Thank you Thank you to our Media Partners Judy Parnall , BBC & EBU Technical Committee judy.parnall@bbc.co.uk 24
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