Storage Networking Protocol Fundamentals (Vol 2)

lambda

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.

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