information technology in education leadership program for school heads session 3: managing it...
TRANSCRIPT
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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/
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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
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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!
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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
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Network fundamentalNetwork fundamental
Importance of networking - Importance of networking - making making impossible possible! See impossible possible! See expert’s view..
Try!
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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
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Case Study: PC-LAN Case Study: PC-LAN (1998-12-19)(1998-12-19)
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Case Study: PC-LANCase Study: PC-LAN
• How about other schools?
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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
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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
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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 ))
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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
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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)
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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
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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
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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
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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
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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
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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
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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
…...
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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
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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
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““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
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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
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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”
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Power issuesPower issues
Risk of a blowoutRisk of a blowout
Recovery procedureRecovery procedure
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Security issuesSecurity issues
Infrared security systemsInfrared security systems
Keycard locksKeycard locks
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Professional CertificationsProfessional Certifications
MCSE & MCPMCSE & MCP
CCNACCNA
RHCERHCE
Net+Net+
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2001 / 06 / 182001 / 06 / 18wtchungwtchung