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Wifi Ppt
 

Wifi Ppt

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Wireless and Wired networks compared

Wireless and Wired networks compared

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    Wifi Ppt Wifi Ppt Document Transcript

    • Mall Presentation on Wireless & Wi-Fi Networks DEVELOPED BY ANSHUMAN K SHAH IT & NETWORKING PROFFESSIONAL High Performance Reliable Networks Public Works Office Park Apartment Internet Gateway Internet Internet Gateway Internet Wireless Internet Networks
    • What is Wi-Fi? • Wi-Fi or Wireless Fidelity • Wi-Fi allows you to connect to a network (through a wireless router or access point) which may or may not connect to the internet. • Mobility • Speed – A/G - 54 Mb (megabits) – B - 11 Mb (megabits) – N - 300 Mb (megabits) – WIRED - 100/1000 Mb (megabits) Why Wi-Fi? Wireless networks utilize radio waves to maintain communication channels between computers. Wireless networking is a more modern alternative to wired networking. High Performance Reliable Networks Wireless Internet Networks
      • POINTS OF CONSIDERATION
      • Present scenario amongst computer users shows an increase in number of laptops than desktops
      • Laptops have brought in mobility
      • Wires and cables get tangled
      • Networking and maintenance is often outsourced
      • Network should be scalable/upgradeable
      • Workspace should be aesthetic
      High Performance Reliable Networks Wireless Internet Networks
      • PROBLEMS WITH WIRED NETWORKS
      • Long process of cable/conduit laying
      • Often I/O Sockets loose connectivity
      • With number of computers/laptops increasing it requires additional cables/switches
      • Cables are vulnerable and rats/lizards cause damage. Any such scenario affects the entire network and causes damage to office interiors
      • Network troubleshooting and maintenance is time taking
      • Network is not easily upgradeable
      Wireless Internet Networks High Performance Reliable Networks
      • ADVANTAGES WITH WIRELESS NETWORKS
      • Long process of cable/conduit laying
        • Quick and easy Installation. A whole campus can be made Wi-Fi in a day.
      • Often I/O Sockets loose connectivity
        • No need of I/O Sockets & Patch chords
      • With number of computers/laptops increasing it requires additional cables/switches
        • One Access Point can control up-to 25 computers and costing is equivalent to a switch with that many ports
        • …… continued
      Wireless Internet Networks High Performance Reliable Networks
      • Cables are vulnerable and rats/lizards cause damage. Any such scenario affects the entire network and causes damage to office interiors
        • Cabling can be totally eliminated with MESH networks. Interiors are hardly affected other than pivots/mounts for Access Points
      • Network troubleshooting and maintenance is time taking
        • Troubleshooting is easy and problems occur if Wi-Fi signal is not available or Wi-Fi device goes bad
      • Network is not easily upgradeable
        • Instant upgrades can be done as per need.
        • No restrictions like number of I/O Outlets or Patch chords. A user with laptop can sit in any place in office/premises and work
      High Performance Reliable Networks Wireless Internet Networks
      • MYTHS ABOUT WIRELESS NETWORK
      • Wireless network are too costly too deploy and have limited benefit over wired network
      • Wireless networks are not secure and anyone can hack into data
      • Wireless networks are complex to deploy and support
      • Wireless radio frequency is harmful
      • Independent expert groups around the world have stated that there is no risk to the general public from base stations. The World Health Organization, for example, stated: "None of the recent reviews have concluded that exposure to the radiofrequency fields from mobile phones or their base stations causes any adverse health consequence". An Expert Panel of the Royal Society of Canada said "it appears that exposure of the public to radiofrequency fields emitted from wireless telecommunication base station transmitters is of sufficiently low intensity that biological or adverse health effects are not anticipated".
      • For consultancy, planning and more details on Wireless/Wired Networks, please contact : [email_address]
      High Performance Reliable Networks Wireless Internet Networks
    • COST COMPARISON BETWEEN WIRELESS AND WIRED NETWORK (We have assumed a set of 24 computers placed in an area of 1000 sq. ft.) WIRED NETWORK WIRELESS NETWORK Wireless Internet Networks High Performance Reliable Networks Item Price 24 port Unmanaged Switch Rs. 12000.00 Mounting Rack Rs. 6000.00 Patch Panel Rs. 5000.00 I/O Socket (Rs.350 x 24pc.) Rs. 8400.00 Patch chords (Rs.125 x 48pc.) Rs. 6000.00 CAT 5 Cable (Rs.20 x 600mtr) Rs. 12000.00 Conduit (Rs.40 x 600mtr) Rs. 24000.00 Labor (Rs.15 x 600mtr) Rs. 9000.00 TOTAL Rs. 82400.00 Any increase in number will require additional Switch, I/O Socket, cables/cabling and redoing the interiors Item Price Access Point ( Rs.12000 x 2pc.) Rs. 24000.00 Wireless PCI/USB Card ( Rs.1500 x 24 pc.)* Rs. 36000.00 Survey/Planning and Configuration Fee Rs. 10000.00 TOTAL Rs.70000.00 Any increase in number will just require an additional Wireless PCI/USB Card. *Laptops usually have Wi-Fi inbuilt.