The Universal Music Group and Virgin Media said on Monday that they had reached a deal that would offer consumers unlimited downloads as part of a partnership that steps up antipiracy enforcement. The New York Times.

Universal, the largest recording company in the world, said it would offer its entire catalog — which contains works by artists like Amy Winehouse and U2 — to customers of Virgin Media for a monthly subscription.

The music will be free from copy protection, a feature that distinguishes the service from most existing subscription offerings. The cost of the service, which will probably start by the end of the year, was not disclosed.

In return, Virgin Media, the British cable television and broadband provider, agreed to take steps to reduce piracy on its network, something that other broadband providers have resisted.

The measures could include temporary suspensions of offenders’ Internet connections, the company said.

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