RADVISION术语表

Glossary (L)

# - A - B - C - D - E - F - G - H - I - J - K - L - M - N
O- P - Q - R - S - T - U - V - W - X - Y - Z

LAN (LOCAL AREA NETWORK)
A communications network internal to an organization.

LATENCY
A measure of accumulated waiting time or delay, representing the length of time required for information to pass through a network.

LBS/LCS (LOCATION BASED SERVICES/ LOCATION SERVICES)
A set of services (e.g. advertising, emergency) based on the customer location information retrieved from the cellular network.

LDAP (LIGHTWEIGHT DIRECTORY ACCESS PROTOCOL)
A protocol for accessing online directory services. LDAP is both an information model and a protocol for querying and manipulating the model.

LEASED LINE
A dedicated connection providing a telecommunications link for voice, data and Internet traffic. Leased lines are delivered along predetermined routers and enable control over. For example, QoS, bandwidth allocation and connection speed.

LINE HUNTING
A Gateway supports a list of prefixes (services). Gateway unavailability to receive a call means that the Gateway cannot accept calls with the particular prefix in question. The Line Hunting function of a Gatekeeper searches for a Gateway which is free to accept calls with this prefix.

LOAD BALANCING
A technique to spread work between many computers, processes, disks or other resources in order to get optimal resource utilization and decrease computing time.