Белая книга для Cisco Cisco 4402 Wireless LAN Controller
Total Economic Impact Study of Unified Wireless Network
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• Planning, installation, and testing could demand more time than originally anticipated.
• Forrester did not evaluate the cost and benefits associated with any next generation
equipment. However interviewees are considering the future cost of next generation
upgrades to their equipment, and they are concerned that the acquisition costs of next
generation equipment may exceed their benefits.
upgrades to their equipment, and they are concerned that the acquisition costs of next
generation equipment may exceed their benefits.
The following risk specific to Cisco’s Unified Wireless Network was considered in this study:
• End-user productivity gains may vary from originally anticipated estimates due to the
specific characteristics of an organization’s wireless deployment and usage prior to
migration.
migration.
The following tables show the values used to adjust for uncertainty in cost and benefit estimates.
Based on the comments from the interviewed customer, we applied risk to the benefit categories to
adjust for any uncertainty but did not apply any risk to the cost categories. Forrester uses list prices
for all software licensing, maintenance fees, and hardware costs. The professional services costs
typically pose the greatest uncertainty, and in this case, they were very minimal.
Based on the comments from the interviewed customer, we applied risk to the benefit categories to
adjust for any uncertainty but did not apply any risk to the cost categories. Forrester uses list prices
for all software licensing, maintenance fees, and hardware costs. The professional services costs
typically pose the greatest uncertainty, and in this case, they were very minimal.
Table 16: Total Costs, Risk-Adjusted
Costs
Initial
Year 1
Year 2
Year 3
Total
Present
value
Total costs of access points
($39,950)
($39,950)
($39,950)
Total cost to implement
controllers
controllers
($242,970)
($242,970)
($242,970)
WCS license fees
($46,950)
($46,950)
($46,950)
Initial and on-going
administrative cost
administrative cost
($1,469) ($2,311) ($2,311)
($2,311) ($8,402) ($7,216)
Total costs
($331,339)
($2,311)
($2,311)
($2,311)
($338,272)
($337,086)
Source: Forrester Research, Inc.