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Internet Connections Computer Pals for Seniors – The Hills Peter Fowler.

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Presentation on theme: "Internet Connections Computer Pals for Seniors – The Hills Peter Fowler."— Presentation transcript:

1 Internet Connections Computer Pals for Seniors – The Hills Peter Fowler

2 October 2007 v1.1Peter Fowler2 Two PCs Using Microsoft ICS Modem Dial Up ADSL Cable Wireless Ethernet Microsoft Internet Connection Sharing (ICS) NIC Cross Over Cable 60.241.40.39 192.168.0.1 192.168.0.2 Ethernet (blue) Cat5 or Cat6 Ethernet (red) Cat5 or Cat6 NAT DHCP

3 October 2007 v1.1Peter Fowler3 Three PCs Using ICS + Hub Modem Ethernet (blue) Cat5 or Cat6 NIC 60.241.40.39 192.168.0.1 192.168.0.2 NIC 192.168.0.3 Hub NAT DHCP Ethernet Dial Up ADSL Cable Wireless

4 October 2007 v1.1Peter Fowler4 Three PCs Using Router Modem NIC 60.241.40.39 192.168.0.2 192.168.0.4 192.168.0.3 NIC Router 192.168.0.1 Ethernet (blue) Cat5 or Cat6 NATDHCP Dial Up ADSL Cable Wireless

5 October 2007 v1.1Peter Fowler5 Three PCs + Router + Firewall Modem NIC 60.241.40.39 192.168.0.2 192.168.0.4 192.168.0.3 NIC Router 192.168.0.1 Ethernet (blue) Cat5 or Cat6 NATDHCP SPI Firewall Dial Up ADSL Cable Wireless

6 October 2007 v1.1Peter Fowler6 Four PCs + Router + WAP Modem NIC 60.241.40.39 192.168.0.2 192.168.0.4 192.168.0.3 NIC Router 192.168.0.1 192.168.0.5 WAP MAC Address 00:0f:b5:8b:af:93 SSID: network WPA-PSK Security Pass Key: xxxxx SPI Firewall Dial Up ADSL Cable Wireless

7 October 2007 v1.1Peter Fowler7 Modem / Router / Firewall / WAP Modem NIC 60.241.40.39 192.168.0.2 192.168.0.4 192.168.0.3 NIC Router 192.168.0.1 WAP 192.168.0.5 Dial Up ADSL Cable Wireless

8 October 2007 v1.1Peter Fowler8 Internet Service Providers (ISP) Provides high speed access to global Internet Provides an Account with Username & Password Allocates an IP address (dynamic or static) Provides access to Domain Name Severs (DNS) Provides a 5MB POP mailbox to hold your emails Provides a Help Desk for when you have problems Tracks your usage, issues bills and collects payment May also offer Website Hosting & Spam Filtering etc

9 October 2007 v1.1Peter Fowler9 ISP Plan Parameters Technology –Dial Up, ADSL, Cable or Wireless Speed –64kbps all the way up to 8,000kbps Download –200MB to 12GB per month Price –$14 to $90 per month

10 October 2007 v1.1Peter Fowler10 Typical ISP Plans PlanSpeedDownload$ per Month BigPond Dial Up64kbps/64kbps50MB$13.95 BigPond Dial Up64kbps/64kbps100MB$19.95 BigPond ADSL256kbps/64kbps200MB$29.95 BigPond ADSL1,500kbps/256kbps400MB$49.95 BigPond ADSL1,500kbps/256kbps12GB$79.95 BigPond Cable8,000kbps/128kbps200MB$29.95 BigPond Cable8,000kbps/128kbps400MB$49.95 BigPond Cable8,000kbps/128kbps12GB$69.95 BigPond Wireless<3,000kbps/<384kbps1GB$84.95

11 October 2007 v1.1Peter Fowler11 ISP Choice Limited by technology –Cable only available from BigPond & Optus –Wireless available from BigPond, Optus, Virgin, Unwired, iBurst, Vodaphone, 3, Soul, iRoam, Spin Internet and a few others Majority of the 236 ISPs support Dial Up and ADSL –Using Telstra’s CAN and Exchanges

12 October 2007 v1.1Peter Fowler12 Information Sources Whirlpool (http://bc.whirlpool.net.au/) is a huge source of information on anything to do with Internet connectivityhttp://bc.whirlpool.net.au/ Nearly 230,000 members Australia wide Details of ISPs, Plans, Modems Forums & Knowledge Base

13 October 2007 v1.1Peter Fowler13 Why Local Area Network (LAN) Share an Internet connection Share a printer to all users Share files across all users Share hard disk storage Transfer information Wireless mobility

14 October 2007 v1.1Peter Fowler14 Wireless Networks (Wi-Fi) Use IEEE Standard 802.11 Indoor range below. Outdoors can be 3x Data rates are theoretical – often much less 802.11a – 54Mbps / 35m range / 5GHz 802.11b – 11Mbps / 38m range / 2.4GHz 802.11g – 54Mbps / 38m range / 2.4GHz 802.11n – 248Mbps / 70m range / 2.4 & 5 GHz 802.11n standard to be finalised Sept 2008

15 October 2007 v1.1Peter Fowler15 Network Hardware Modem – Modulator / Demodulator NIC – Network Interface Card Hub – ‘Dumb’ Ethernet connector Switch – ‘Smart’ Ethernet connector Router – Connects two Ethernet Networks WAP– Wireless Access Point Firewall – ‘Border control’ for TCP/IP

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