Glossary - R
RDF -- (Resource Definition Framework)
A set of rules (a sort of language) for creating descriptions of information, especially information available on the World Wide Web. RDF could be used to describe a collection of books, or artists, or a collection of web pages as in the RSS data format which uses RDF to create machine-readable summaries of web sites.
RDF is also used in XPFE applications to define the relationships between different collections of elements, for example RDF could be used to define the relationship between the data in a database and the way that data is displayed to a user.
REST -- (REpresentational State Transfer)
A loosely defined specification for HTTP-based services where all of the information required to process a request is present in the initial request and where each request receives only a single response, and where the response is in a machine-readable form.
An example could be a service that accepts HTTP requests for a search and returns the result as an XML document.
RFC -- (Request For Comments)
The name of the result and the process for creating a standard on the Internet. New standards are proposed and published on the Internet, as a Request For Comments. The proposal is reviewed by the Internet Engineering Task Force (http://www.ietf.org/), a consensus-building body that facilitates discussion, and eventually a new standard is established, but the reference number/name for the standard retains the acronym RFC, e.g. the official standard for e-mail message formats is RFC 822.
Router
A special-purpose computer (or software package) that handles the connection between 2 or more Packet-Switched networks. Routers spend all their time looking at the source and destination addresses of the packets passing through them and deciding which route to send them on.
RSS -- (Rich Site Summary or RDF Site Summary or Real Simple Syndication)
A commonly used protocol for syndication and sharing of content, originally developed to facilitate the syndication of news articles, now widely used to share the contents of blogs. Mashups are often made using RSS feeds.
RSS is an XML-based summary of a web site, usually used for syndication and other kinds of content-sharing.
There are RSS "feeds" which are sources of RSS information about web sites, and RSS "readers" which read RSS feeds and display their content to users.
RSS is being overtaken by a newer, more complex protocol called Atom.
RTSP -- (Real Time Streaming Protocol)
RTSP is an official Internet standard (RFC 2326) for delivering and receiving streams of data such as audio and video.
The standard allows for both real-time ("live") streams of data and streams from stored data.
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License
This Glossary of Internet Terms is licensed under the Creative Commons "Attribution-ShareAlike" license.
The original author and copyright holder is Matisse Enzer, and the current version of the Glossary is available at
