label
1. An identifier used to mark a position in a program so that it can be the destination of a goto statement.
2. The identifier assigned to a datagram for label switching.
Last updated: 2007-10-17
labeled fields
<label>label edge router
(LER) A device that sits at the edge of an MPLS domain, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain.
Last updated: 1999-06-14
Label Forwarding Information Base
(LFIB) A label switching scheme used in MultiProtocol Label Switching (MPLS).
[Details?]Last updated: 2007-06-25
label switched path
(LSP) The specific path through a network that a datagram follows, based on its MPLS labels.
Last updated: 1999-06-14
label switching
A routing technique that uses information from existing IP routing protocols to identify IP datagrams with labels and forwards them to a modified switch or router, which then uses the labels to switch the datagrams through the network.
Label switching combines the best attributes of data link layer (layer two) switching (as in ATM and Frame Relay) with the best attributes of network layer (layer three) routing (as in IP). Prior to the formation of the MPLS Working Group in 1997, a number of vendors had announced and/or implemented proprietary label switching.Last updated: 2007-10-17
Label Switching Router
(LSR) A device that typically resides somewhere in the middle of a network and is capable of forwarding datagrams by label switching. In many cases, especially early versions of MPLS networks, a LSR will typically be a modified ATM switch that forwards datagrams based upon a label in the VPI/VCI field.
Last updated: 1999-06-14
Lab for Computer Science
MIT. http://lcs.mit.edu/.Laboratoire lorrain de recherche en informatique et ses applications
<body>
(LORIA) A French research institute associated with INRIA.
Last updated: 2007-06-01
Laboratory INstrument Computer
<computer>
(LINC) A computer which was originally designed in 1962 by Wesley Clark, Charles Molnar, Severo Ornstein and others at the Lincoln Laboratory Group, to facilitate scientific research. With its digital logic and stored programs, the LINC is accepted by the IEEE Computer Society to be the World's first interactive personal computer.
The machine was developed to fulfil a need for better laboratory tools by doctors and medical researchers. It would supplant the 1958 Average Response Computer, and was designed for individual use. Led by William N. Papian and mainly funded by the National Institute of Health, Wesley Clark designed the logic while Charles Molnar did the engineering. The first LINC was finished in March 1962. In January 1963, the project moved to MIT, and then to Washington University (in St. Louis) in 1964. The LINC had a simple operating system, four "knobs" (which was used like a mouse), a Soroban keyboard (for alpha-numeric data entry), two LINCtape drives and a small CRT display. It originally had one kilobit of core memory, but this was expanded to 2 Kb later. The computer was made out of Digital Equipment Corporation (DEC) hardware modules. Over 24 LINC systems had been built before late 1964 when DEC began to sell the LINC commercially. After the introduction of the PDP-8, Dick Clayton at DEC produced a rather frightening hybrid of the LINC and PDP-8 called a LINC-8. This really was not a very satisfactory machine, but it used the new PDP-8 style DEC cards and was cheaper and easier to produce. It still didn't sell that well. In the late 1960s, Clayton brought the design to its pinnacle with the PDP-12, an amazing tour de force of the LINC concept; along with about as seamless a merger as could be done with the PDP-8. This attempted to incorporate TTL logic into the machine. The end of the LINC line had been reached. Due to the success of the LINC-8, Spear, Inc. produced a LINC clone (since the design was in the public domain). The interesting thing about the Spear micro-LINC 300 was that it used MECL II logic. MECL logic was known for its blazing speed (at the time!), but the Spear computer ran at very modest rates. In 1995 the last of the classic LINCs was turned off for the final time after 28 years of service. This LINC had been in use in the Eaton-Peabody Laboratory of Auditory Physiology (EPL) of the Massachusetts Eye and Ear Infirmary. On 15 August 1995, it was transferred to the MIT Computer Museum where it was put on display. LINC/8, PDP-12. Lights out for last LINC. ["Computers and Automation", Nov. 1964, page 43].Last updated: 1999-05-20
Laboratory Virtual Instrument Engineering Workbench
<tool>
(LabVIEW) A package from National Instruments Corp originally developed to provide a graphical user interface to instruments connected by the IEEE 488 (GPIB) bus. It has powerful graphical editing facilities for defining and interconnecting "virtual instruments".
Last updated: 1996-04-24
LaborNet
An IGC network serving groups, unions and labour advocates interested in information sharing and collaboration with the intent of enhancing the human rights and economic justice of workers. Issues covered include workplace and community health and safety issues, trade issues and international union solidarity and collaboration.Labtech Notebook
Commercial data aquisition software.
Last updated: 1995-03-08
LabVIEW
Laboratory Virtual Instrument Engineering WorkbenchNearby terms:
L6 ♦ la ♦ label ♦ labeled fields ♦ label edge router ♦ Label Forwarding Information Base
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