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== Overview == Synchronous conferencing is the formal term used in computing, in particular in computer-mediated communication, collaboration and learning, to describe technologies informally known as online chat. It is sometimes extended to include audio/video conferencing or instant messaging systems that provide a text-based multi-user chat function. The word ''synchronous'' is used to qualify the conferencing as real-time, as distinct from a system such as e-mail, where messages are left and answered later. Synchronous conferencing protocols include: * IRC (Internet Relay Chat) * PSYC (Protocol for Synchronous Conferencing) * SILC (Secure Internet Live Conferencing protocol) * XMPP (Extensible Messaging and Presence Protocol) * SIMPLE (instant messaging protocol) (Session Initiation Protocol for Instant Messaging and Presence Leveraging Extensions) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「synchronous conferencing」の詳細全文を読む スポンサード リンク
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