Information Technology in Education Information Technology in Education Leadership Program for School HeadsLeadership Program for School Heads

Session 3:Session 3:

Managing IT Campus (Primary School)Managing IT Campus (Primary School)

Chung Wai Tung

Pui Ching Middle Schoolhttp://www.puiching.edu.hk/~wtchung/

Session outlineSession outline

1.1. Why technical aspects?Why technical aspects?

2.2. What to know?What to know?

3.3. How to do?How to do?

4.4. Best practicesBest practices

5.5. Q & AQ & A

Ideal School HeadsIdeal School Heads

UnderstandUnderstand what we are doing ... what we are doing ...

AppreciateAppreciate what we really do ... what we really do ...

SupportSupport what we plan to do … what we plan to do …

DecideDecide what we cannot decide … what we cannot decide …

As an IT Team member, I wish my As an IT Team member, I wish my headmaster can ...headmaster can ...Get involve in all aspects whatever Get involve in all aspects whatever possible! possible!

Essential Technical IssuesEssential Technical Issues Network fundamentalNetwork fundamental

Intranet, Extranet and InternetIntranet, Extranet and Internet

MMLC, ITLC, MMC & special roomsMMLC, ITLC, MMC & special rooms

System platform & application platformSystem platform & application platform

IT campus management best practicesIT campus management best practices“Service pledge”“Service pledge”DocumentationDocumentationHardware & software managementHardware & software managementPower issuesPower issuesSecurity issuesSecurity issuesProfessional certificationsProfessional certifications

Network fundamentalNetwork fundamental

Importance of networking - Importance of networking - making making impossible possible! See impossible possible! See expert’s view..

Try!

Local Area Network (LAN)Local Area Network (LAN)

Wireless LAN vs cable LAN vs cable LAN

ATM vs Ethernet ATM vs Ethernet (go to (go to cisco for details) for details)

UTP vs Optics Fiber

1000Mbps vs 100Mbps1000Mbps vs 100Mbps

Hubs (layer 1)Hubs (layer 1)

Switches (layer 2)Switches (layer 2)

Routers (layer 3)Routers (layer 3)

Cost and benefit analysisCost and benefit analysis

Case Study: PC-LAN Case Study: PC-LAN (1998-12-19)(1998-12-19)

Case Study: PC-LANCase Study: PC-LAN

• How about other schools?

Put it all together:Put it all together:

Try to produce your Try to produce your School Network diagramSchool Network diagram

Try to train up your Try to train up your “internal” Network “internal” Network administratoradministrator

Why do we get to know such stuffs?Why do we get to know such stuffs?

School expansionSchool expansion

School upgradeSchool upgrade

New projects/eventsNew projects/events

Tours to Tours to PCMS server room

Intranet, Extranet and InternetIntranet, Extranet and Internet

Logical Intranet vs Physical IntranetLogical Intranet vs Physical Intranet

Formation of ExtranetFormation of Extranet

Join school resource centre (e.g. Join school resource centre (e.g. PCECRC))

Centralized resource centre (e.g. Centralized resource centre (e.g. hkedcity.net))

Access to InternetAccess to Internet

Internet Service ProviderInternet Service Provider

Different service plansDifferent service plans

Real problems: Real problems: bandwidth bandwidth andand reliability reliability

Internet Access AlternativesInternet Access Alternatives 56Kbps 56Kbps modem dial-upmodem dial-up (individual, slow) (individual, slow)

Residential broadbandResidential broadband//ISDNISDN (individual, fast) (individual, fast)

Business broadbandBusiness broadband//ISDNISDN (group, fast) (group, fast)

Business leased lineBusiness leased line (group, fast, reliable) (group, fast, reliable)

Common Internet Service Providers in HKCommon Internet Service Providers in HK

Netvigator (Netvigator ( 網上行網上行 )) Hutchison (Hutchison ( 和記和記))

I-CABLE (I-CABLE (有線寬頻有線寬頻 )) Speedlink (Speedlink ( 快聯快聯網網 ))

CTInets (CTInets ( 城市電訊城市電訊 ))

Bandwidth vs ThroughputBandwidth vs Throughput

Is Is 10Mbps10Mbps better than better than 1.5Mbps1.5Mbps??

Technical comparisons (Technical comparisons ( 香港寬頻用戶網香港寬頻用戶網 ))

Users point of view …Users point of view …

???

100Mbps

MMLC, ITLC , MMC & MMLC, ITLC , MMC & special roomsspecial rooms

Functional characteristicsFunctional characteristics

Differences between Differences between MMLCMMLC and and ITLCITLC

Upgrade Upgrade ITLCITLC to to MMLCMMLC

MMCMMC makes the whole world changes makes the whole world changes

Use of Use of Special rooms (teaching and learning)Special rooms (teaching and learning)

Information Technology Information Technology Learning Centre Learning Centre (E310, E021, E012)(E310, E021, E012)

Client computersClient computers

Network accessNetwork access

Media broadcast capabilityMedia broadcast capability

Language capabilityLanguage capability

Grouping functionGrouping function

Media on demandMedia on demand

Multi-Media ClassroomMulti-Media Classroom(Normal classroom)(Normal classroom)

Client ComputerClient Computer

Network accessNetwork access

Media broadcast capabilityMedia broadcast capability

Language capabilityLanguage capability

Grouping functionGrouping function

Media on demandMedia on demand

Music Labs and equipmentMusic Labs and equipment(E307)(E307)

Client computersClient computers

Network accessNetwork access

Media broadcast capabilityMedia broadcast capability

Media on demandMedia on demand

Special music equipmentSpecial music equipment

keyboard, mixer, HQ-sound card, etc.keyboard, mixer, HQ-sound card, etc.

Special music softwareSpecial music software

Art Labs and equipmentArt Labs and equipment(E207)(E207)

Client computersClient computers

Network accessNetwork access

Media broadcast capabilityMedia broadcast capability

Special design equipmentSpecial design equipment

Digitizer, graphic tablet, HQ-scanner, HQ-Digitizer, graphic tablet, HQ-scanner, HQ-printer, HQ-image grabber, etc.printer, HQ-image grabber, etc.

Special design softwareSpecial design software

System platformSystem platform Client-Server environmentClient-Server environment

Operating System for clients:Operating System for clients:Windows NT/2000Windows NT/2000Windows 95/98/MEWindows 95/98/MELinux/UnixLinux/UnixMac OS/ Mac OS XMac OS/ Mac OS X

Network Operating System:Network Operating System:Novell Netware Novell Netware Windows PDCWindows PDCLinux/Unix NISLinux/Unix NIS

ServersServers

Different options:Different options:(1) Windows NT, Windows 2000, Linux, Unix(1) Windows NT, Windows 2000, Linux, Unix(2) Remote hostage vs Local hostage(2) Remote hostage vs Local hostage

DHCP server, Proxy servers & FirewallsDHCP server, Proxy servers & Firewalls

Web servers, news servers & mail serversWeb servers, news servers & mail servers

Primary Domain ControllerPrimary Domain Controller

File servers & Print serversFile servers & Print servers

Video servers or Media serversVideo servers or Media servers

Application serversApplication servers

Pui Ching Middle School Network Diagram

Inte

rnal

LA

N

Router

HK

TIM

S

T1

PC workstations

Proxy Server

Domain & DHCP server

Resources and system server

Media Server

Data Server (Teacher only)

FirewallDefault Gateway

Web & News ServerPower Users

Schoolteam Server Cluster(Mail, Ftp, Web servers)

Student Servers

Project Servers

CD Tower

SAMS server

SPMNet Servers

…...

Application platformApplication platform

All-in-one service:All-in-one service:Mail, web-hosting, administration,Mail, web-hosting, administration,

teaching and learning activities, etc.teaching and learning activities, etc.

Our selection:Our selection: Schoolteam, EClass & SPMNet Schoolteam, EClass & SPMNet

Selecting CriteriaSelecting Criteria

Cost and benefitCost and benefit

ReliabilityReliability

IT campus management best IT campus management best practicespractices

Find the right personFind the right person

Estimate a reasonable workloadEstimate a reasonable workload

ITCITC

SAMS administratorSAMS administrator

Computer Studies Panel ChairmanComputer Studies Panel Chairman

Network/System administratorNetwork/System administrator

MerchandiserMerchandiser

Systematic approachesSystematic approaches

““Service pledge”Service pledge”

Why should we have “service pledge”?Why should we have “service pledge”?

Cascaded “service pledge”Cascaded “service pledge”

What should be included?What should be included?

Point(s) of contactPoint(s) of contact

Normal response timeNormal response time

Normal recover timeNormal recover time

Maximum system down timeMaximum system down time

Documentation Documentation (Pui Ching Samples)(Pui Ching Samples)

List of IPsList of IPs

List of PasswordsList of Passwords

Hardware checklistHardware checklist

Software checklistSoftware checklist

Network diagramNetwork diagram

Server settingsServer settings

TSS attendance records TSS attendance records

Hardware & software managementHardware & software management

Logging and reporting systemLogging and reporting system

Our simple reporting system in schoolteamOur simple reporting system in schoolteam

IT PerfectsIT Perfects

Technicians / Programmer / Web-adminTechnicians / Programmer / Web-admin

TSS schemeTSS scheme

Multicast cloningMulticast cloning

Fast and efficient way to get “total recover”Fast and efficient way to get “total recover”

Power issuesPower issues

Risk of a blowoutRisk of a blowout

Recovery procedureRecovery procedure

Security issuesSecurity issues

Infrared security systemsInfrared security systems

Keycard locksKeycard locks

Professional CertificationsProfessional Certifications

MCSE & MCPMCSE & MCP

CCNACCNA

RHCERHCE

Net+Net+

2001 / 06 / 182001 / 06 / 18wtchungwtchung