A Greek letter. The symbol for lambda is used to represent wavelength. The term lambda is often used to refer to a signal operating at a specific wavelength.
LAN-free backup
A technique for backing up data that confines the data path to a SAN.
line rate
The theoretical maximum rate at which OSI Layer 2 frames can be forwarded onto a link. Line rate varies from one networking technology to another. For example, the line rate of IEEE 802.3 10BaseT is different than the line rate of IEEE 802.5 16-Mbps Token Ring.
link aggregation
The bundling of two or more physical links in a manner that causes the links appear to ULPs as one logical link.
link-state Protocol
A category of routing protocols characterized by the exchange of link-state information propagated via a flooding mechanism.
Logical Block Addressing (LBA)
An addressing scheme used to locate real blocks on a storage medium such as disk or tape. LBA constitutes the lowest level of addressing used in storage and does not represent a virtualized address scheme.
Logical Unit Number (LUN)
The identification of a logical partition in SCSI environments.
