New Technologies For Wireless Lans

Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 1 New Technologies for Wireless LANs Bruce Alexander Cisco Aironet Wireless Networking Business Unit Session Number Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 2 The Productivity Paradox Why is it that the only location where employees have access to all their productivity tools... ...is the one location where they spend the least amount of time— their desks ACC-231 5059_04_2002_c1 Presentation_ID © 2002, 2001, Cisco Systems, Inc. All rights reserved. 3 Technology that is available TODAY can help you build a WLAN that will continue to work for TOMORROW. Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 4 Seminar Overview •WLAN Technologies •802.11a, 802.11b, 802.11h, and 802.11g •When to use what technology •Comparing 802.11a and 802.11b •Combining technologies •Security (Quick Update) Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 5 Wireless Technologies WAN (Wide Area Network) MAN (Metropolitan Area Network) LAN (Local Area Network) PAN (Personal Area Network) PAN LAN MAN WAN Bluetooth 802.11a,11b,11g HiperLAN2 802.11 MMDS, LMDS GSM, GPRS, CDMA, 2.52.5 -3G Speed <> 2 to 54+ Mbps 22+ Mbps 10 to 384Kbps Range Short Medium Medium--Long Medium Long Peer-to Peerto--Peer Device--to Device to--Device Enterprise networks Fixed, last mile access PDAs, Mobile Phones, cellular access Standards Applications Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 6