Download - IT for Information Professionals
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HOSTED INFORMATION MANAGEMENT
IT for Info ProsDemystifying your IT infrastructure
Ben Summers
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HOSTED INFORMATION MANAGEMENT
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HOSTED INFORMATION MANAGEMENT
Your desktop computer
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HOSTED INFORMATION MANAGEMENT
NetworkingSwitch
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HOSTED INFORMATION MANAGEMENT
Network
Ethernet cable
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HOSTED INFORMATION MANAGEMENT
Network
Base station
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HOSTED INFORMATION MANAGEMENT
Local Area Network
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HOSTED INFORMATION MANAGEMENT
Servers
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HOSTED INFORMATION MANAGEMENT
Desk-side servers
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HOSTED INFORMATION MANAGEMENT
Rack mounted server
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HOSTED INFORMATION MANAGEMENT
Client / server architecture
Clients Server
View and edit
Store and process
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HOSTED INFORMATION MANAGEMENT
Software and the OS
Operating systemOperating system
Application softwareApplication software
Operating systemOperating system
Server softwareServer software
Desktop Server
DesktopDesktopHardwareHardware
ServerServerHardwareHardware
FirmwareFirmware(BIOS)(BIOS)
FirmwareFirmware(BIOS)(BIOS)
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HOSTED INFORMATION MANAGEMENT
Local Area Network
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HOSTED INFORMATION MANAGEMENT
Wide Area Network
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HOSTED INFORMATION MANAGEMENT
ISPISP
ISPISPISPISP
ISPISP
Internet Leased Line / ADSLRouter
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HOSTED INFORMATION MANAGEMENT
Bandwidth
LAN ADSL Inter-ISP100Mb/s 0.5Mb/s send, 6Mb/s receive 100 to 1000Mb/s
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HOSTED INFORMATION MANAGEMENT
ISPISP
ISPISPISPISP
ISPISP
Internet
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HOSTED INFORMATION MANAGEMENT
Data centres
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HOSTED INFORMATION MANAGEMENT
Data centres
(Maximilien Brice; Claudia Marcelloni, © CERN)
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HOSTED INFORMATION MANAGEMENT
•Hubs where lots of ISP meet together
•Cheap to connect between ISPs
•High security
•Air conditioning and backup power
Data centres
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HOSTED INFORMATION MANAGEMENT
ISPISP
ISPISPISPISP
ISPISP
Internet
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HOSTED INFORMATION MANAGEMENT
192.168.99.201
IP Address
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HOSTED INFORMATION MANAGEMENT
Only four billion
0.0.0.0to255.255.255.254
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HOSTED INFORMATION MANAGEMENT
Private IP addresses
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255
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HOSTED INFORMATION MANAGEMENT
ISPISP
ISPISPISPISP
ISPISP
Internet
Pu
blic
ad
dre
sses
Priv
ate
NAT
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HOSTED INFORMATION MANAGEMENT
Network Address Translation
10.0.0.12(private)
NATNAT
17.0.0.29(public)
ISPISP
Rest ofthe internet
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HOSTED INFORMATION MANAGEMENT
SecurityBecause everyone makes mistakes
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HOSTED INFORMATION MANAGEMENT
Making mistakes
•Developers
•System administrators
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HOSTED INFORMATION MANAGEMENT
ISPISP
ISPISPISPISP
ISPISP
Internet Firewall goes here
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HOSTED INFORMATION MANAGEMENT
Putting it altogether
Operating systemOperating system(Mac OS X)(Mac OS X)
Operating systemOperating system(Solaris)(Solaris)
Desktop Server
NetworkNetwork
DesktopDesktopHardwareHardware
ServerServerHardwareHardware
FirmwareFirmware(BIOS)(BIOS)
FirmwareFirmware(BIOS)(BIOS)
ApplicationApplication(Firefox web browser) (Firefox web browser)
Server software Server software (Apache web server) (Apache web server)
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HOSTED INFORMATION MANAGEMENT
ISPISP
ISPISPISPISP
ISPISP
Internet
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HOSTED INFORMATION MANAGEMENT
Magic?
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HOSTED INFORMATION MANAGEMENT
Good problem reports
•Describe accurately and comprehensively
•Don’t jump to diagnoses
•Don’t panic!
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HOSTED INFORMATION MANAGEMENT
Current IT issues• Virtualisation
•Hosted services/cloud computing
•Multi core and hybrid processors
• Semantic web
• The future of email
•Why techies dislike Microsoft
•Digital Rights Management
•Open source software
•Green computing
•Mobile devices
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HOSTED INFORMATION MANAGEMENT
IT for Info ProsDemystifying your IT infrastructure
www.oneis.co.uk/blog