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Article Type: Definition

Key Rotation

Method consisting in changing regularly the secret key used to encrypt the content to improve security.

Last Mile

The component of the distribution network that happens between the Internet Service Provider and the viewer’s playback device. It is the final stretch of a network that connects to the end user.

Latency

Network definition: Latency describes the time required to transmit data or to communicate between two parties. In data networking, it corresponds to the one-way delay between two points (contrasted with the round-trip time (RTT)). Application definition: The term latency has been used to describe the degree of delay added from . . . Read more

Linear Programming

Linear Programming, in the context of content consumption, is video content that being consumed by the viewer, where the viewer does not have control of the viewing timeline, i.e., the programming is pre-scheduled for the viewer, i.e., the viewer does not select which program to watch once having selected a . . . Read more

Live Content

Live content is video content that is primarily meant to be watched as it is happening. Examples include a live sports game, a live news conference, etc. Viewer consumption of live content occurs using both linear programming (see Linear Programming) as well as on-demand programming (see On-Demand Programming).

Live-to-File

File captured from a linear channel and ready for exporting to an external system for editing purposes. Capture initiated by the operator of the service.

Live-to-VOD

Asset captured from a linear channel and transferred to a VOD catalog. Capture initiated by the operator of the service.

Load Balancer

Hardware and/or software which functions to distribute network traffic among a pool of servers, either locally or globally scoped, according to different policies which could be for example, the location or the load of a server.

Load Balancing

Load balancing is, as the name suggests, generally instituted to balance load among a set of resources. It is a specific case of load sharing. In the CDN space this might mean balancing load within a single CDN or it might relate to balancing load across multiple CDNs.