Glossary | L |
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Link Constraint
A restriction on the use of links for path selection for a specific connection.
Link Metric
A link parameter that requires the values of the parameter for all links along a given path to be combined to determine whether the path is acceptable and/or desirable for carrying a given connection.
Link State Parameter
Information that captures an aspect or property of a link.
LLC
Logic Link Control: A protocol developed by the IEEE 802.2 committee for data- link level transmission control. It is the upper sublayer of the IEEE Layer 2(OSI) protocol that compliments the MAC protocol. IEEE standard 802.2 includes end- system addressing and error checking. It also provides a common access control standard and governs the assembly of data packets and their exchange between data stations independent of how the packets are transmitted on the LAN.
LNNI
LANE NNI: The standardized interface between two LAN servers
LOC
Loss of Cell Delineation: A condition at the receiver or a maintenance signal transmitted in the PHY overhead indicating that the receiving equipment has lost cell delineation. Used to monitor the performance of the PHY layer.
LOF
Loss of Frame: A condition at the receiver or a maintenance signal transmitted in the PHY overhead indicating that the receiving equipment has lost frame delineation. This is used to monitor the performance of the PHY layer.
Logical Group Node
A logical node that represents a lower level peer group as a single point for purposes of operating at one level of the PNNI routing hierarchy.
Logical Link
An abstract representation of the connectivity between two logical nodes. This includes individual physical links, individual virtual path connections, and parallel physical links and/or virtual path connections.
Centillion 1200N ATM Switch User Manual | |
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