| |
|
W |
| WAIS |
 |
Wide Area Information System |
| WAN |
|
Wide Area Network, a network using common carrier transmission
services for transmission of data over a large geographical
area. |
| WORM |
|
Write Once Read Many |
| WWW |
|
World Wide Web |
| VCI |
|
Virtual
Channel Identifier |
| |
|
X
|
| X.21 |
 |
Recommendations developed by CCITT that define a protocol
for communication between user devices and a circuit-switched
network. |
| X.25 |
|
Gateway
Access Protocol, allows a node not directly connected
to a public data network to access the facilities of
that network through an intermediary gateway node;
recommendations developed by CCITT that define a protocol
for communication between packet-switched Public Data
Networks and user devices in the packet-switched mode. |
| X.400 |
|
International standard for a store-and-forward message
handling system in a multivendor environment. |
| XNS |
|
Xerox
Network Systems, Peer-to-peer protocol involving layered
data by Xerox and incorporated into Ethernet
local area networks. |
| |
|
Z
|
| ZDL |
 |
Zero
Delay Lockout, technology designed to prevent beaconing
stations on a token ring from inserting into
the ring and causing faults. |
| |
|
|