1, The full form of SDP is Session Description Protocol. It’s used on Computing ,Protocols in Worldwide

Session Description Protocol (SDP) is a protocol for describing streaming media initialization parameters.

The Session Description Protocol (SDP) is a format for describing multimedia communication sessions for the purposes of session announcement and session invitation. Its predominant use is in support of streaming media applications, such as voice over IP (VoIP) and video conferencing. SDP does not deliver any media streams itself but is used between endpoints for negotiation of network metrics, media types, and other associated properties. The set of properties and parameters is called a session profile.

SDP is extensible for the support of new media types and formats. SDP was originally a component of the Session Announcement Protocol (SAP), but found other uses in conjunction with the Real-time Transport Protocol (RTP), the Real-time Streaming Protocol (RTSP), Session Initiation Protocol (SIP), and as a standalone protocol for describing multicast sessions.

The IETF published the original specification as a Proposed Standard in April 1998,and subsequently published a revised specification as RFC 4566 in July 2006

2, The full form of SDP is Singapore Democratic Party. It’s used on Governmental ,Politics in Singapore

Singapore Democratic Party(SDP) is an opolitical party in Singapore. The party was founded in 1980 by Chiam See Tong

3, The full form of SDP is Social Democratic Party. It’s used on Governmental ,Politics in United Kingdom

Social Democratic Party (SDP) was a political party in the United Kingdom that was created on 26 March 1981 and existed until 1988.

4, The full form of SDP is Social Democratic Party of Croatia. It’s used on Governmental ,Politics in Croatia

Social Democratic Party of Croatia(SPC) is on of the largest political party in Croatia.