© 2003, Cisco Systems, Inc. All rights reserved. FWL 1.0—1-1 111 © 2003, Cisco Systems, Inc. All rights reserved.

  • Published on
    18-Dec-2015

  • View
    230

  • Download
    1

Transcript

  • Slide 1
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-1 111 2003, Cisco Systems, Inc. All rights reserved.
  • Slide 2
  • FWL 1.01-2 Module 1 Introduction to Wireless LANs
  • Slide 3
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-3 Learning Objectives Define and describe WLANs Describe the need and benefits of WLANs. Identify characteristics of Cisco Aironet 802.11a products. Identify characteristics of Cisco Aironet 802.11b products.
  • Slide 4
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-4 Overview This module provides an introduction to the rapidly evolving technology of wireless LANs (WLANs). WLANs redefine the way the industry views LANs. Connectivity no longer implies attachment. Wireless networking provides all the features and benefits of traditional LAN technologies without the limitations of wires or cables. The freedom to roam while still maintaining connectivity has helped launch wireless networking to new heights.
  • Slide 5
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-5 Key terms WLAN Bridging Access Point Bridge Antenna Wi-Fi
  • Slide 6
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-6 Major Factors There are four major factors to consider before implementing a wireless network: High availability Scalability Manageability Open architecture
  • Slide 7
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-7 Momentum is Building in Wireless LANs Wireless LANs are an addictive technology Strong commitment to Wireless LANs by technology heavy-weights Cisco, IBM, Intel, Microsoft Embedded market is growing Laptop PCs with wireless inside PDAs are next The WLAN market is expanding from Industry-Specific Applications, to Universities, Homes, & Offices Professional installers and technicians will be in demand
  • Slide 8
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-8 Wireless LANs Are Taking Off ($ Billions) Source: Forward Concepts, 2003 Future Growth Due To: Standards High Bandwidth Needs Low Cost Embedded in Laptops Variety of Devices Voice + Data Multiple Applications Security Issues Solved Ease of Deployment Network Mgmt. Tools Enterprise Adoption Worldwide WLAN Market *includes embedded clients, add-on client cards, & infrastructure equipment for both the business and consumer segments CAGR = 43%
  • Slide 9
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-9 Business-Classvs Consumer WLAN Industry has segmented: consumer vs. business Cisco offers only business- class products: Security Upgradeability Network management Advanced features Choice of antennas Highest throughput Scalability
  • Slide 10
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-10 Benefits of WLANs
  • Slide 11
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-11 WiFi
  • Slide 12
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-12 Unlicensed Frequency Bands
  • Slide 13
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-13 2.5 GHz Service Wireless Data Networks Local Wide Coverage Area Satellite Data Rates 9.6 Kbps 19.6 Kbps 56 Kbps 1 Mbps 2 Mbps 10 Mbps 50 Mbps Broadband PCS Spread Spectrum Wireless LANs Infrared Wireless LANs Narrow Band Wireless LANs Circuit and Packet Data Cellular, CDPD, Mobitex, DataTac Narrowband PCS
  • Slide 14
  • 2003, Cisco Systems, Inc. All rights reserved. FWL 1.01-14 Wireless Technologies PAN (Personal Area Network) PAN (Personal Area Network) LAN (Local Area Network) LAN (Local Area Network) WAN (Wide Area Network) WAN (Wide Area Network) MAN (Metropolitan Area Network) MAN (Metropolitan Area Network) PAN LAN MAN WAN Bluetooth Peer-to-Peer Device-to-Device Peer-to-Peer Device-to-Device Short

Recommended

View more >