Белая книга для Cisco Cisco 4402 Wireless LAN Controller
Total Economic Impact Study of Unified Wireless Network
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Unified Wireless Network: Overview
According to Cisco, Unified Wireless Network infrastructure delivers cost-effective, secure wireless
access for business-critical mobility anytime, anywhere. The solution uses Cisco Aironet lightweight
access points in conjunction with a Cisco Wireless LAN Controller and the Cisco Wireless Control
System (WCS) to provide secure, high-performance wireless LANs (WLANs).
access for business-critical mobility anytime, anywhere. The solution uses Cisco Aironet lightweight
access points in conjunction with a Cisco Wireless LAN Controller and the Cisco Wireless Control
System (WCS) to provide secure, high-performance wireless LANs (WLANs).
Forrester’s research revealed:
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“Cisco offers a comprehensive solution of standalone, centrally managed, and hybrid
access points to complement its strategy with offerings scaling from small and medium-size
business (SMB) to data-center-class. In addition, offering full suite of voice hardware and
software and having developed the only location appliance of vendors considered, Cisco
spans the full spectrum of WLAN components. The vendor's monolithic size and premium-
priced offerings are ideal for large enterprises looking for a one-vendor solution and
organizations with a considerable, existing Cisco investment looking for the opportunity to
standardize and centrally manage all network elements both wired and wireless.”
access points to complement its strategy with offerings scaling from small and medium-size
business (SMB) to data-center-class. In addition, offering full suite of voice hardware and
software and having developed the only location appliance of vendors considered, Cisco
spans the full spectrum of WLAN components. The vendor's monolithic size and premium-
priced offerings are ideal for large enterprises looking for a one-vendor solution and
organizations with a considerable, existing Cisco investment looking for the opportunity to
standardize and centrally manage all network elements both wired and wireless.”
The interviewed organizations migrating to Unified Wireless Network completed the following
three components:
three components:
Migrate to Lightweight Access points
Cisco offers free software to upgrade existing 802.11 a/b/g standalone access points to operate as
802.11 a/b/g lightweight access points. Aironet access points that cannot be migrated using free
software upgrade offerings can be traded out for new Cisco Aironet 802.11a/b/g and 802.11n
lightweight access points as part of a normal or accelerated access point refresh cycle. Cisco
provides a variety of single- and dual-band lightweight access points for indoor office environments,
challenging RF environments, and the outdoors. The customers interviewed have implemented a
combination 1130 and 1240 Aironet access points throughout their campuses for Voice over WLAN
(VoWLAN) wireless VoIP and WLAN-based location-based services.
802.11 a/b/g lightweight access points. Aironet access points that cannot be migrated using free
software upgrade offerings can be traded out for new Cisco Aironet 802.11a/b/g and 802.11n
lightweight access points as part of a normal or accelerated access point refresh cycle. Cisco
provides a variety of single- and dual-band lightweight access points for indoor office environments,
challenging RF environments, and the outdoors. The customers interviewed have implemented a
combination 1130 and 1240 Aironet access points throughout their campuses for Voice over WLAN
(VoWLAN) wireless VoIP and WLAN-based location-based services.
Implement Wireless LAN Controllers
Wireless LAN controllers provide systemwide services such as access point configuration, security
policies, intrusion prevention, radio frequency (RF) management, and monitoring network quality of
service (QoS). Controllers are most often deployed in an N+1 or N=n arrangement where N equals
the base controller number and the corresponding “=” number indicates the number of redundant
controllers for failover.
policies, intrusion prevention, radio frequency (RF) management, and monitoring network quality of
service (QoS). Controllers are most often deployed in an N+1 or N=n arrangement where N equals
the base controller number and the corresponding “=” number indicates the number of redundant
controllers for failover.
Implement Wireless Control System (WCS)
Cisco WCS allows network managers to design, control, and monitor the wireless network from a
centralized location. Cisco WCS includes a graphical user interface (GUI) that supports
centralized RF prediction and corresponding access point placement, policy provisioning,
troubleshooting, user tracking, security monitoring, and wireless LAN systems management. With
a license upgrade, Cisco WCS also supports real-time spectrum intelligence to detect, classify,
and locate devices that are causing RF interference. Quick detection of interfering devices
improves network performance, coverage, and security.
centralized location. Cisco WCS includes a graphical user interface (GUI) that supports
centralized RF prediction and corresponding access point placement, policy provisioning,
troubleshooting, user tracking, security monitoring, and wireless LAN systems management. With
a license upgrade, Cisco WCS also supports real-time spectrum intelligence to detect, classify,
and locate devices that are causing RF interference. Quick detection of interfering devices
improves network performance, coverage, and security.
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“Cisco Systems Captures The Enterprise Market For WLAN Infrastructure” April 4, 2007 by Chris Silva
http://www.forrester.com/Research/Document/0,7211,41791,00.html
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