The Virtual Bookcase Reviews of 'Data Link Protocols':
Reviewer Rob Slade wrote:
Much of what goes on at the physical layer level in data communications is
mature technology, fixed in hardware. The network, internetwork and higher
layers vary widely depending upon situation and application. The data link
layer is the one most in need of study and understanding. This is the layer
concerned with the actual transmission of data, and its reliable receipt.
Three chapters relate to the basic concepts of the data link layer, an
introduction, error detection and correction, and controls. The remainder of
the book concentrates on the specific protocols; BSC, HDLC, LAPB, LAPD, LAN
protocols, LLC and so forth. Two chapters are of particular interest to the
online community, covering asynchronous file transfer protocols (X modem and
descendents, Kermit, and others) and LAPM (Link Access Protocol for
Microcomputers or V.42). Frame relay and Internet protocols are touched on.
This work deals with the concepts rather than implementations. The actual
programming of specific protocols will require additional detail. However, for
an understanding of the options at this layer in the stack, this is a good
starting source.
copyright Robert M. Slade, 1995
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