it for information professionals

HOSTED INFORMATION MANAGEMENT

IT for Info ProsDemystifying your IT infrastructure

Ben Summers

HOSTED INFORMATION MANAGEMENT

HOSTED INFORMATION MANAGEMENT

Your desktop computer

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NetworkingSwitch

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Network

Ethernet cable

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Network

Base station

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Local Area Network

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Servers

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Desk-side servers

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Rack mounted server

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Client / server architecture

Clients Server

View and edit

Store and process

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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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Local Area Network

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Wide Area Network

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ISPISP

ISPISPISPISP

ISPISP

Internet Leased Line / ADSLRouter

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Bandwidth

LAN ADSL Inter-ISP100Mb/s 0.5Mb/s send, 6Mb/s receive 100 to 1000Mb/s

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ISPISP

ISPISPISPISP

ISPISP

Internet

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Data centres

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Data centres

(Maximilien Brice; Claudia Marcelloni, © CERN)

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•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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ISPISP

ISPISPISPISP

ISPISP

Internet

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192.168.99.201

IP Address

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Only four billion

0.0.0.0to255.255.255.254

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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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ISPISP

ISPISPISPISP

ISPISP

Internet

Pu

blic

ad

dre

sses

Priv

ate

NAT

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Network Address Translation

10.0.0.12(private)

NATNAT

17.0.0.29(public)

ISPISP

Rest ofthe internet

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SecurityBecause everyone makes mistakes

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Making mistakes

•Developers

•System administrators

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ISPISP

ISPISPISPISP

ISPISP

Internet Firewall goes here

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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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ISPISP

ISPISPISPISP

ISPISP

Internet

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Magic?

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Good problem reports

•Describe accurately and comprehensively

•Don’t jump to diagnoses

•Don’t panic!

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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

HOSTED INFORMATION MANAGEMENT

IT for Info ProsDemystifying your IT infrastructure

Ben SummersBen.summers@oneis.co.uk

www.oneis.co.uk/blog