| 单词 | RAS |
| 释义 | RAS 1. Registration/Admission/Status. In H.323-compliant multimedia networks, the protocol that supports communications between terminals (i.e., endpoint devices) and the gatekeeper. See also H.323, gatekeeper, multimedia, and terminal. 2. Remote Access Server. A host computer on a local area network (LAN) and equipped with modems to serve the needs of end users for dial-up access to internal computer resources through the public switched telephone network (PSTN).An RAS also can take the form of purpose-built hardware with either integral modems or ISDN interfaces. An RAS generally is associated with a Remote Authentication Dial-In User Service (RADIUS) server that performs authentication, authorization, and accounting functions to ensure network security. See also authentication, authorization, ISDN, LAN, modem, NAS, PSTN, RADIUS, and security. |
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