Narrowcast

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What Does Narrowcast Mean?

A narrowcast or narrowcasting is the process of sending specific data to a limited, selected or narrower number of recipients. It enables restriction the transmitted data to be delivered only to selected individuals, organizations, devices and/or equipment.

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A narrowcast also may be referred to as a multicast.

Techopedia Explains Narrowcast

A narrowcast primarily enables segmenting and categorizing the data transmission on a specific network or communication environment. The most common example of narrowcast is employed by cable TV operators that send cable TV signals only to the homes of their subscribers.

Narrowcasting is also implemented in Internet and networking technologies. For example, access to a private server is restricted and broadcast to only selected employees or users. Similarly an email message can be sent only to a narrow list of recipients.

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Margaret Rouse
Technology expert
Margaret Rouse
Technology expert

Margaret is an award-winning writer and educator known for her ability to explain complex technical topics to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles in the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret’s idea of ​​a fun day is to help IT and business professionals to learn to speak each other’s highly specialized languages.