Concurrent Stream Limiting: Tighten Controls Over User Licensing in DRMtoday

Concurrent Stream Limiting (CSL) can be used to prevent piracy; bandwidth draining activity; or to fulfil a ‘limited device number’ business model.

DRMtoday’s Concurrent Stream Limiting feature is a useful tool for streaming service providers within the DRMtoday user management interface, enabling you to deny license renewal requests (or the license deliveries themselves) if too many concurrent streams are used by a single given user.

This can also be combined with a subscriber watermarking solution (for example, FriendMTS’ ASiD), allowing you to pinpoint non-subscribers and stop streaming piracy within minutes on live or video-on-demand streams.

Concurrent Stream Limiting

How Concurrent Stream Limiting Works?

Streams are tracked by a token given in the license response or createCslSession calls, except in cases where the user device sends license requests for each key in parallel at the start of the stream. In these cases the token won’t be present but a common identifier for similar streams can be used as part of an algorithm to track these instances.

Using the token or common identifier, multiple concurrent streams can be identified and time-limited license renewals can be declined using set parameters or manual changes in the user management interface.

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Posted: 27 Nov 2018

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Mark Whiley

Mark Whiley
Communications and Events
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