August 2013
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Nordif 3: Nordic broadcasters use a cloud to exchange content
By Dick Hobbs
NORDVISION IS a content exchange programme run by the national broadcasters in Sweden, Denmark, Iceland, Finland and Norway. As well as exchanging news items they also make programming available to the other broadcasters and with as many as 4,000 programmes a year in the project it is clear that it could not be done economically on tape. Nordvision was keen to move to HD and 5.1 audio so looked for a new exchange technology, in a project called Nordif 3 (replacing Nordif 1, the news system and Nordif 2, the long-form exchange). Tasked with developing
Nordif 3 was Rune Hagberg of Norwegian broadcaster NRK. He pointed out that working with five different broadcasters meant five project managers, five different procurement departments, five different law
officers, five different technical departments and five different archive departments. Two of the countries are outside the EU so operate under different procurement rules. “We ended up with a steering committee of 10 people,” Hagberg joked. “I think I should go into the United Nations after this project.” The team developed some core requirements, of which the first was that it should be a proven, off the shelf solution. It should be capable of being hosted in a private cloud (actually hosted by
Delegates explore the expo area at London’s BAFTA
“We ended up with a steering committee of 10 people. I think I should go into the United Nations after this project!”
NRK in Oslo), holding both browse resolution and full resolution content. As a virtual system it
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Rune Hagberg: All content is stored and delivered in its native format, but metadata is mapped to the EBU Core
obviously needed to be accessible through the asset management systems of each of the five broadcasters (and all five use different vendors). They also looked for a solution that would support the storage and management of other document forms attached to media files, and would work with UDP acceleration to deliver content quickly from the cloud to the broadcasters who selected the content. From the requirements
phase, the tender process resulted in the selection of Spanish vendor Tedial and its Amigo system. “The good news is that there have been no issues with the vendor,” Hagberg said.
“That would just have made the project even more complicated.” Significantly, Tedial already supported all the video formats and asset management systems used by the five broadcasters, as well as creating and managing high quality, frame accurate H.264 browsing. Nordif 3 called for a simple metadata schema based on EBU Core and Tedial implemented this at the request of the project. In practice, each broadcaster accesses the system in a web client from inside its own asset management system. All content is stored and delivered in its native format, but metadata is mapped to the EBU Core. That means that a channel
controller can search and browse content from any country, and request a file if they want it. Requested files are delivered fast over the internet, and the metadata translated into the destination schema. Transcoding is a part of the receiving broadcaster’s ingest process as normal.
Rune Hagberg, NRK
The huge advantage Nordif 3 brings is that all the content is stored on an Isilon cloud in one location: there is no need to synchronise five servers in five countries which was taking a huge amount of bandwidth. Added to the UDP acceleration, the result is that Nordif 3 is about 25 times faster than the old system, a huge productivity boost. As well as the five owning
broadcasters, Nordif 3 now also offers a portal to partner broadcasters in the Baltic states, and there are plans to add others to the content exchange programme, including Greenland and the Farne Islands. Other future plans could include transcoding in the cloud, but this has yet to be agreed by the project team. For now, Nordif 3 is seen
as a practical and highly reliable content exchange platform, using proven Tedial technology alongside cloud-hosted storage to deliver real commercial and operational benefits.
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