switched virtual connection; SVC
Technical computing term for a connection-oriented service where a virtual circuit is established on demand and released after use.
A switched virtual connection is a type of virtual circuit used in ATM networks.
Permanent virtual circuit (PVC); unlike SVC, it is always established and does not require call setup.
virtual call facility
Compound of 相手 (あいて, 'partner'), 選択 (せんたく, 'selection'), and 接続 (せつぞく, 'connection'), likely a calque of English 'switched virtual connection'.