In the beginning there was VOD. Edgeware has been helping operators deliver and scale video for many years and continues to push the boundaries of VOD delivery through innovative solutions such as retransmission for subscribers connected by networks connections with high packet loss and low bandwidth. Read more »
However the opportunity for increased revenue and value is continually moving forward. Delivering video over IP based networks has made it possible to offer traditional TV as an on-demand service. Popular end user services that can be delivered by deploying an Edgeware based solution include:
Offering TV on-demand means going from a few multicast streams (one per channel) to a large number of unicast streams (one per active user). Current deployments clearly show that on-demand TV has much higher take up rates than traditional VOD services, an order of magnitude higher is typical. This requires new thinking in order to cost-efficiently deploy these bandwidth demanding services. Streaming and ingest capacity must be distributed in the network, with most of the demand delivered from servers close to the end-users, in order not to saturate the core networks.
To offer on-demand TV in any form, the live TV content must first be recorded. The recording can be scheduled automatically by recording everything over a specific time window (Time-shift TV, Re-start TV and Historic EPG) or by requiring end users to activate recordings for individual programs (nPVR). For the network recorder, the only difference will be in the way the recording schedule is generated.
In order to provide the recorded content as attractive end user services, there are some important technical requirements that must be met. The server must be capable of turning a multicast stream into a unicast stream with trick play capability with very low latency, since end users will not accept a delay between watching the live multicast feed and the interactive unicast stream.