Service Location Protocol

What Does Service Location Protocol Mean?

Service Location Protocol (SLP) is a Service Discovery Protocol (SDP) for automated service detection on local area networks (LANs).

SLP is published in RFC 3224 and RFC 3421.

Techopedia Explains Service Location Protocol

SLP was originally designed for small networks. Later it was expanded for large enterprise network functionality.


SLP uses terminals to broadcast LAN services with required address locator. It requires unrestricted attributes and one or more continuous device recognition scopes – simple group service strings similar to network system neighborhoods.


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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects 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 by 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 helping IT and business professionals learn to speak each other’s highly specialized languages.