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Building Cisco Remote Access Networks
book

Building Cisco Remote Access Networks

by Wayne Lawson
November 2000
Intermediate to advanced content levelIntermediate to advanced
608 pages
16h 50m
English
Syngress
Content preview from Building Cisco Remote Access Networks
238 Chapter 7 • Configuring and Backing Up Permanent Connections
Data Terminal Equipment (DTE) and Data
Circuit-Terminating Equipment (DCE)
X.25 utilizes a connection-oriented service, which ensures that packets are
transmitted in order. The end-user connection is called DTE and the con-
nection on the network (carrier) side is called DCE (see Figure 7.3). The
user (DTE) can communicate with multiple users simultaneously on a
single physical line, with multiple logical channels. On one physical line
there can be as many as 4096 logical channels.
Packet Assembler/De-assembler (PAD)
In the early 80s, a majority of data processing was done utilizing asynchro- ...
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Publisher Resources

ISBN: 9781928994138