
SONET
Synchronous Optical Network — An
SVC
Switched Virtual Circuit — A connection where control signalling is used to dynamically establish the connection and remove it when no longer required. For example, telephone lines, ISDN and X.25.
Telnet
An asynchronous, virtual terminal protocol that allows for remote access.
UME
UNI
UNI 2.0
ATM Forum UNI specification for the physical and ATM Layers, the ILMI, OAM and PVC support.
UNI 3.0
An upgrade of UNI 2.0. with traffic control for the Peak Cell Rate parameter and the operation over current transmission systems as some of the additional features.
GLOSSARY 5
UNI 3.1
A corrected version of UNI 3.0, this specification also includes Service Specific
UNI 4.0
This UNI specification refers to signalling issues.
VC
Virtual Channel — Describes unidirectional flow of ATM cells between connection (switching or
Virtual Connection — A connection established between
Virtual Circuit — A connection set up across the network between a source and destination where a fixed route is chosen for the entire session and bandwidth is dynamically allocated.
VCC
Virtual Channel Connection — The