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Computers and Wireless Networking Presented by: Subhash chunduri Reg.no.:131FA08048
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  • Computers and Wireless NetworkingPresented by: Subhash chunduriReg.no.:131FA08048

  • Topics:Introduction to Networks and wifiWireless Networking Overview Non-Technical considerations Other Comparable Technologies Q&A

  • What is a Network?A Network is two or more computers interconnected for exchange of information.

    Introduction to Computer Networks

  • What is Wi-Fi? Wi-Fi means Wireless-Fidelity and a catch all phrase for the several different standards and recommendations that comprise wireless networking. Wi-Fi enables the user to deploy a computer network without needing to run cable.Introduction to Wireless Networks

  • StandardsIntroduction to Wireless Networks

  • Limitations 300 ft. effective range from access point1400 ft maximum rangeStructural interferenceInterference from other devices such as cordless phones.

    Introduction to Wireless Networks

  • Common Misunderstandings:Wifi only works when connected to internet.Difference between link speed and data speed.Introduction to Wireless Networks

  • Common Misunderstandings:Introduction to Wireless Networks

  • Applications Any application currently used on a traditional wired network can be used on a wireless network. New applications may be available or can be developed to take advantage of wireless, such as Wireless PDA access to a card catalog.

    Introduction to Wireless Networks

  • Connecting To a Legacy Network Access Points connect the wireless network to the legacy network.

    Wireless Networking Overview

  • Security (Encryption, Content Filtering, Privacy, etc.) Content Filtering & Proxy ServersWeb content filtering that has generally been software on the desktop would have to be handled by a server if people are allowed to use their own laptops.

    Proxy servers allow you to control what information people have access to. This is a good practice anyway, allowing you to control at a global level what information travels over your network. It also allows you to track usage.Wireless Networking Overview

  • Security (Encryption, Content Filtering, Privacy, etc.) Viruses and HackerWireless does not add any additional threat in the way of viruses. Anyone, anywhere can attack a network that is connected to the Internet. Wireless does not increase that chance. Security measures such as firewalls, can reduce the risk. Wireless Networking Overview

  • Why Deploy Wireless?Cost savings over wireline.Can not run wire to locations needed.To enable patrons to bring their own laptop, therefore reducing the cost of owning many PCs.To enable you to easily move PCs.To be on the leading edge.Non-Technical Considerations

  • The A-B-Gs of WirelessWhich standard is right for you?Non-Technical Considerations802.11.a 54 Mbps @ 5MHzNot widely adopted802.11.b11 Mbps @2.4GHzLow Cost802.11.gNew technology - Available late 2003Compatible with 802.11b

  • HPNAOther Comparable Technologies HPNA is Phone Line Networking. HPNA allows you to transmit data over normal phone lines at the same time you use that phone for voice calls and DSL.

    HPNA v2.0 runs at 10Mbps over a standard phone line. V3.0 is coming soon and delivers 100Mbps. If you currently have a lot of phone lines running through your facility this may be an option to consider.

  • Bluetooth 802.15Other Comparable TechnologiesBluetooth is the standard for wireless personal area networks or WPAN. It allows high speed transmission of data over very short distances. Bluetooth is normally used for transferring data between laptops, or in Internet Kiosk type applications where roaming is not needed.

  • -:Thank you:-