The benefits for end-users are the following:
- Multiple recordings:
Users can launch any number of recordings on various channels
simultaneously, without any constraint on the available bandwidth or
number of tuners on their reception device.
- Flexible quota:
The quantity of storage available is not limited to the one bought at
the time of the STB. Storage can be increased by the operator, as
- Reliability: The content remains available in the cloud, despite what happens to the reception device.
- Multi-STB and multiscreen availability: The recorded content can be made available on all of a subscriber’s devices.
Service operators also benefit from the cloud PVR approach on several aspects:
- Hard drive cost savings: There is no need to deploy PVR STBs with a storage space that is not always used.
- Support cost savings:
Disks in a STB are an important point of failure. With the cloud
approach, calls to support center and replacement requests are reduced.
- Reduced churn: Customers that have recorded all their content in your network are less willing to switch to a new operator.
- New business models:
Storage space in the cloud can be charged in various ways (e.g., global
fee per month, price per channel or bouquet, storage quotas, etc.).
- Targeted ads: They can be inserted in the network for pre-roll or mid-roll scenarios, and they can be personalized per user.
Private/shared copy and the law
the fact that recording live content onto a physical DVR in the
end-user household is not very different from recording it via a service
provided in the cloud, and that there is an obvious economical
advantage of doing it in the cloud, service operators have been
reluctant to roll out cloud DVR due to the copyright laws.
The main issue has to do with the type of copy, i.e. shared vs private copy.
copy model is largely supported when it comes to EPG-based recording
use case. Some countries legally allow the shared copy model, but
operators need an advanced shared copy model to be able to offer a
service with time-based and impulsive recording.
a private copy model, each end-user recording request leads to a true
recording on the system. The limitations (amount of bandwidth, amount of
storage, load on the backbone, etc…) of this model can be real
obstacles for operators wanting to roll out cloud PVR.
to different interpretations of laws or agreements in place with content
providers, several optimizations of the pure private copy model can be
proposed to overcome the main limitations of the traditional private
Technically, cloud PVR is usually performed relying on 2 traditional recording methods.
DVR window mode recording:
This method is based on a DVR window on the origin server. For each
live channel, the origin server manages a circular buffer where the
channel is continuously recorded.
Asset mode recording:
This method is based on a record request sent by a third-party
component, usually the service platform or the CMS. When receiving this
request, the origin server records the corresponding channel using the
begin and end time information provided by the service platform. The
live program is recorded in a dedicated file.
methods have limitations. This is why we came to a hybrid method
combining the 2 recording modes, enabling a growing buffer of recorded
The main advantages of the solution are the following:
As long as the cloud-PVR content is in the DVR window, it is
possible to update the begin date and the end date of the recording.
Enable advanced shared copy model for time-based and impulsive
cloud PVR thanks to its ability to store the same piece of content only
once, even if multiple users want to record it.
has developed and deployed solutions for IPTV and OTT cloud PVR
services relying on innovative recording methods to bring as many
benefits as possible to both operators and their subscribers while
answering the issues mentioned above.
For more information about Cloud PVR, download the white paper here.