[1] : The Free On-line Dictionary of Computing (27 SEP 03)

data link layer
     
         layer two, the second lowest layer in the osi
        seven layer model.  the data link layer splits data into
        frames see fragmentation for sending on the physical
        layer and receives acknowledgement frames.  it performs error
        checking and re-transmits frames not received correctly.  it
        provides an error-free virtual channel to the network layer.
        the data link layer is split into an upper sublayer, logical
        link control llc, and a lower sublayer, media access
        control mac.
     
        example protocols at this layer are abp, go back n,
        srp.
     
        1995-02-14
     
     
see also:
osi frames fragmentation physical layer network layer logical link control 
media access control protocols abp go back n srp 

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Data link layer - Wikipedia, the free encyclopedia
...The data link layer provides the functional and procedural means to transfer data between network.....The operating system will have a defined software interface between the data link and the.....It responds to service requests from the network layer and issues service requests to the..
http://en.wikipedia.org/wiki/Data_link_layer, score=100, date indexed=January 23, 2005, 10:04 pm

The Data Link Layer
...The data link layer should provide error control between adjacent nodes. Another issue that arises.....Since the physical layer merely accepts and transmits a stream of bits without any regard.....If there is a chance that these bit patterns might occur in the data, special care must be..
http://www2.rad.com/networks/1994/osi/datalink.htm, score=71, date indexed=April 19, 2005, 6:30 am

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