cloud

A wide area network (WAN) commonly is depicted as a cloud, which serves to obscure its com-

plex inner workings from view. Data just pops in on one side of the cloud and pops out on the other side, so to speak.

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• ScTP (Screened Twisted Pair)
• ScTP (Screened Twisted Pair)
• SDDN (Software-Defined Data Network)
• SDH (Synchronous Digital Hierarchy)
• SDLC (Synchronous Data Link Control)
• SDN (Software-Defined Network)
• SDP (Session Description Protocol)
• SDR (Software-Defined Radio)
• SDSL (Symmetric Digital Subscriber Line)
• SDSL (Symmetric Digital Subscriber Line)
• SDSL (Symmetric Digital Subscriber Line)
• SDTV (Standard Definition TeleVision)
• seamless
• search engine
• SECAM (Séquential Couleur Avec Mémoire)
• SECBR (Severely Errored Cell Block Ratio)
• second
• secondary domain
• Second Computer Inquiry
• secret-key encryption
• Section Overhead (SOH)
• section terminating equipment (STE)
• Secure European System for Applications in a Multivendor Environment (Sesame)
• Secure Hypertext Transport Protocol (S-HTTP)
• Secure Multipurpose Internet Mail Extension (S/MIME)