Just-In-Time Packaging vs. CDN Storage (2012)
By Yuval Fisher, RGB Networks
Operators delivering video-on-demand (VoD) to multiple devices using HTTP streaming must select between two options: store assets in multiple formats to be delivered via a content delivery network (CDN), or utilize an on-the-fly, or just-in-time (JIT), packaging to convert VoD assets into the required client format when it’s requested.
This paper discusses the benefits of JIT packaging and then proposes a model to evaluate the costs associated with each approach, discussing the parameters associated with various use cases. We also discuss the implications of the cost model for more general edge processing, such as just in time transcoding
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