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Terms in this set (74)
Back Bone performance - Increase Device Performance
-Increase Circuit Capacity
-Reduce Network Demand
Baselining designers must review the list of applications that
will use the network and identify the location of
each. This information should be added to the
emerging network documentation.
-Routes and forwards messages, and passes
content
-Distribution layer in a building. (Building Network)
-Most common topology: Star Topology
Backbone network (BN) a larger, central network connecting several LANs,
other BNs, MANs, and WANs. Routes and forwards
messages, and passes content
o Distribution layer in a building. (Building
Network)
o Most common topology: Star Topology
network architecture components LAN
BUILDING BACKBONE
CAMPUS BACKBONE
DATA CENTER
, LAN (Local Area Network) First network architecture component. Enables
users to access the network
Building Network The second network architecture component
which some vendors call the distribution layer,
because it distributes network traffic to and from
the LANs.
Campus network The third network architecture component, is
usually faster than the backbones we use inside
buildings because it typically carries more traffic
than they do.
Capacity Planning designing the circuit capacity. estimating the size
and type of the standard and advanced network
circuits for each type of network (LAN, backbone,
WAN).
circuit Capacity Number of communications channels which can be
handled by a given circuit at the same time.
circuit loading (M) The amount of data transmitted on a circuit. This
analysis can focus on either the average circuit
traffic or the peak circuit traffic.
A good rule of thumb is that 80% of this ______________
information is easy to gather. The last 20% needed
for very precise estimates is extremely difficult and
expensive to find. However, precision usually is not
a major concern because of the stairstep nature of
commu- nication circuits and the need to project
future needs.