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India's Leading Source for Broadcasting & Broadband Information - CableQuest Magazine
HomeArticlesDTHNew Era, New Requirements - Multi-Purpose Middleware
Monday, 10 August 2015 11:00

New Era, New Requirements - Multi-Purpose Middleware

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New hybrid middleware products such as Open TV 5 are not built merely to run Applications. They have to manage both the Broadcast TV world and the domain of the Internet in a seamless manner.  Middleware as we used to know it was very focused solely on the management of the device and the local applications ported to it.  Now it is the conductor of the orchestra of services that an operator might want to deliver to its customer base and can no longer be considered as just a middleware. The STB/CPE is in effect functioning as the terminating device in a fully connected, multimedia home.  So STB/CPE software stacks such as OpenTV 5 have a multiplicity of roles to perform from UI-UEX rendering, to the management of the hardware device itself as well as communications to and from the services on offer and they are expected towork with devices in the home and other systems hosted elsewhere. For this reason, we consider OpenTV 5 as a connectware product.

As faster broadband networks deploy,there is an emphasis on reducing the software complexity in the STB/CPE or client device by exploiting the connection to the head-end in more innovative ways.  While there are some elements that will gradually, over time,  be offloaded to the server-side of the house there are still requirements to have some modules in the STB/CPE.  Those may morph, shrink or grow all depending on the ‘services &functionality required’ by the service provider. One example exploiting this new broadband hybrid opportunity would be an nPVR service. This was once a hotly debated subject so much so that it was embroiled in lawsuits in the USA, but now is seen as the norm in a payTV service provider’s technology line-up. Of course it could be said that if the hard drive is no longer in the STB/CPE then there is no need to host the code that manages that functionality in the device; it would naturally migrate server-side.This is not the case for all operators, and all regions of a country.  The technology has to be offset by the operator’s infrastructure capabilities, the actual market needs and with respect to other methods for allowing a customer to keep their purchased video assets. Let’s not forget that the ubiquitous hard drive can also be used in the buffering of content for pause and rewind live TV functionality for example.  

There are many business considerations to be taken into account regarding Premium and Long-Tail content.  For example, ‘long-tail’content may be offered as a download option to the STB/CPE hard-drive while premium ‘up-to-date’ content could be offered in a hosted OTT SVOD service.  It was highlighted in the  techpress recently that 1 Terabyte of storage now costs around €60.00.  A CTO would then naturally question whether they need make the enormous investment in server hardware and look at the operating costs for hosting an nPVR storage facility, versus local storage in the home?  The STB/CPE with PVR can still present a very cost-effective way of catering for the customer who would like to keep assets for later viewing.

With all this in mind, OpenTV 5 was conceived in 2011 as NAGRA’s next generation middleware. OpenTV created OpenTV 5 ‘connectware’ to accelerate the deployment of next-generation video products and services into the fast-developing hybrid payTV market for the ‘Connected Home’. OpenTV 5 was designed to offer payTV service providers the ability to exploit today’s market-driven technologies HTML5, Javascript, WebKit etc. including other necessary open-source packages that are required for deployment on a wide gamut of Broadcast TV and TV Everywhere devices. NAGRA’s OpenTV team achieved many goals during development such as: fast porting to emerging chipsets, the ability to easily customize the user interface, application development and implementation and focus on the user experience.  One very fundamental requirement for any embedded software device is the robustness and stability of the deployed product, which the OpenTV team formidably achieved. 

OpenTV 5 connectware supports a rich variety of different use cases from HD to premium 4K content throughout the home all handled in a fully secure way using NAGRA anyCAST CAS and DRM technologies.  OpenTV 5 with NAGRA anyCAST meets strict studio requirements for a robust hardware root of trust (NOCS3), running in secure execution environments, renewability of protection schemes, and advanced forensic security services for tracking down and stopping pirates.This ensures payTV service providers that they will be able to provide their subscribers with the best possible user experience with the best available content.

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