With all the talk of the SMPTE ST 2110 standards suite, it’s sometimes forgotten that it only deals with content. If you want a working system, you’ll need to do a few more things – find new devices on the network, work out what they can do, control them, guarantee the bandwidth and often deal with metadata that arrives separately like tallies.
This is what the AMWA NMOS specifications do. Peter Brightwell and Thomas Edwards have been heavily involved in creating them and in this video lead us through what each one does and how they are used.
In a continuing series of videos which dig deeper than just saying ‘hooray, IP is great’, we look at the onerous task of actually planning and deploying a whole building’s worth of 2110. From the IPShowcase at IBC 2018, Ultich Voigt from Qvest Media explains how they helped Swiss public broadcaster SRG/SSR to build their new facility – the TPC Sports, News & Technology centre.
Ulrich looks at how functions can be centralised and/or consolidated and whilst he talks of the technology standards in use, the highlight here are the workflows achieved.
Aims of the project
Technical Goals and Standards
How they got experience in using IP ahead of the project
Testing planning & issues rectification
Deciding whether to go ‘Full IP’ and what that means
AMWA’s discovery and registration protocols IS-04 and IS-05 play a big role in making IP systems usable, allowing the system to easily identify new kit when it’s plugged in and understand its capabilities. However, deploying such systems at scale should give anyone pause for thought – how scalable are they? How does the system recover after a network outage? Clearly we wouldn’t want the system to be brought down by the administrative burden.
Rob Porter, from Sony Europe Ltd., has done the research and presents it here at the VSF’s IP Showcase at the 2018 IBC.
Rob gives a brief overview of the two specifications, describing their APIs and the open source nature of them. He then goes on to explain how he emulated this large number of devices and what he found.
Finally, Rob wraps up the session by explaining how he optimised network-loss recovery times and summarises best practices.
An increasing amount of broadcast video is travelling over the public internet which is currently enabled by SRT, Zixi and other protocols. Here, Merrick Ackermans explains the new RIST specification which aims to allow interoperable internet-based video contribution.
Speaking at the IP Showcase at IBC 2018, Merrick covers:
Andy Rayner from Nevion looks at using SMPTE ST 2110 on a Wide Area Network (WAN).
While using ST 2110 is a much discussed topic in the studio or within a building, there are extra difficulties in putting it between buildings, cities and countries with some saying it shouldn’t even be done. Here, Andy examines how you can do it whilst acknowledging the industry still has some decisions to make.
John Mailhot from Imagine Communications discusses what ‘Full Stack’ means for video over IP. The SMPTE 2110 suite of standards is mainly about the transport of essences – but how to you simply plug in some equipment and get going? You need standards which discover and register the new device, you need timing to synchronise devices. It’s a whole ecosystem.
John walks us through the data flows (and workflows) necessary when you plug new 2110 kit in and we quickly discover there is more depth than we imagined.
John also discusses how DHCP can give you more than just IP addresses.
Covering IS-04, IS-05, PTP/SMPTE 2059, ST 2110 and IEE 802.1AB (LLDP). This is a very practical video. Why? Because understanding all this is key to diagnosis and troubleshooting.
Despite the title, a relatively light and short video for the weekend from NAB on using audio in 2110.
Why is there a separate SMPTE ST 2110-30 standard from AES67? Are AES67 devices compatible with SMPTE ST 2110-30? Why is there a SMPTE ST 2110-31 standard? This presentation from Leigh Whitcomb (Architect, Imagine Communications) is a deep dive into the SMPTE ST 2110-30, 31 and AES67 audio and will answer all these questions.
Andy Rayner from Nevion takes us through the principles for creating complete SMPTE ST 2110 systems based on Nevion’s real-world deployments.
With the basics for SMPTE ST 2110 in place, developments and deployments are focusing on achieving the ‘whole solution’. An all-IP environment offers immense flexibility which is yet to be fully realized but is coming to fruition as vendors mature their capabilities. As well as basic architectures, some of the areas explored including optimising buffering, audio manipulation, conversion between ST 2110 and SMPTE ST 2022 & going on/off campus in IP.
Looking at Audio, Scaling of media flows and the key question of orchestration, this is a great real-world look at ST 2110.