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TCP/IP Network Basics 7
Agilent Connectivity Guide 163
or device, the LAN server sends a reply to the LAN interface. This reply
contains requested data and status information that indicates whether or
not the operation was successful.
Packet Switching
A TCP/IP network is a packet-switched network. In this type of network,
the computer that is sending the data (source host) breaks the data into
smaller segments, called
packets.
Each packet is individually addressed and is sent to the destination
(destination host.) The destination host then reassembles the packets
into the original message. Each packet can be sent from source to
destination in any of several routes. The
routers in the network control
the paths of the packets.
Figure 55 Client-Server Model
PC
PC
PC
PC
Clients
LAN
Servers
Instrument
Instrument
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