Information Technology Reference
In-Depth Information
Remote Offices
Te l e w o r k e r
Main Office
SP MPLS
Internet
Remote User
Call Center Agent
West Branch
East Branch
SP MPLS
Private WAN with Encryption
IPsec VPNs
Figure 7-6
WA N A r c h i t e c t u r e s
When selecting enterprise edge components, you want to keep several considerations in
mind. Here are some factors to examine during the selection process:
Hardware selection involves the data-link functions and features offered by the device.
Considerations include the following:
■
Key
To p i c
Port density
■
Ty pes of por ts suppor ted
■
Modularity (add-on hardware)
■
Backplane and packet throughput
■
Redundancy (CPU and/or power)
■
Expandability for future use
■
Software selection focuses on the network performance and the feature sets included
in the software. Here are some factors to consider:
■
For warding dec isions
■
Te c h n o l o g y fe a t u r e s u p p o r t
■
