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Harmonic server manages on-demand at the edge

Mon, 09/08/2008 - 8:15am
Brian Santo

Harmonic beefed up its on-demand product line with the introduction of a video server based on flash memory.

The use of solid state memory, pioneered by SeaChange in its video servers, is bringing changes to the operability and economics of video storage and content delivery.

The latest addition to Harmonic’s StreamLiner product family, the StreamLiner 2000 Flash memory, optimizes throughput and provides more concurrent streams at regional hubs, while reducing price per stream by a significant margin, Harmonic claimed.

The company said the system is suitable for serving up both popular and long-tail video, in a range of video-on-demand (VOD) and time-shifted TV applications and architectures.

Harmonic senior on-demand solutions manager Edwin Ko said, “By bringing a flash-based solution to the edge, we are maximizing streaming throughput and system reliability, while delivering a cost-efficient and scalable edge server that minimizes rack space and power consumption.”

The dense two rack-unit (2-RU) StreamLiner Flash solution integrates with StreamLiner RAM and disk-based servers within the same cluster, enabling operators to cost-effectively address the requirements of typical long-tail VOD demand curves.

The new server can of course be integrated with the company’s Armada intelligent content distribution network management system. The Armada CDN system intelligently enables operators to optimize network bandwidth and asset storage. In Harmonic example, Armada can dynamically determine the popularity of each asset and move it to and from the edge as required.

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