Identification and Management of Distributed Data

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Session Initiation Protocol

The Session Initiation Protocol (SIP) emerged in the mid-1990s from the research of Henning Schulzrinne, associate professor in the Department of Computer Science at Columbia University, and his team. A coauthor of the Real-Time Transport Protocol (RTP) for transmitting real-time data via the Internet, Schulzrinne also co-wrote the Real-Time Streaming Protocol (RTSP), a proposed standard for controlling streaming audiovisual content over the web. Schulzrinne’s intent was to define a standard for Multiparty Multimedia Session Control (MMUSIC). In 1996, he submitted a draft to the Internet Engineering Task Force (IETF) that contained the key elements of SIP. In 1999, he removed extraneous components regarding ...