Information Technology in Education
Leadership Program for School Heads
Session 3:
Managing IT Campus (Primary School)
Chung Wai Tung
Pui Ching Middle School
http://www.puiching.edu.hk/~wtchung/
Session outline
1.
Why technical aspects?
2.
What to know?
3.
How to do?
4.
Best practices
5.
Q&A
Ideal School Heads
 Understand what we are doing ...
 Appreciate what we really do ...
 Support what we plan to do …
 Decide what we cannot decide …
 As an IT Team member, I wish my
headmaster can ...
Get involve in all aspects whatever
possible!
Essential Technical Issues
 Network fundamental
 Intranet, Extranet and Internet
 MMLC, ITLC, MMC & special rooms
 System platform & application platform
 IT campus management best practices
“Service pledge”
Documentation
Hardware & software management
Power issues
Security issues
Professional certifications
Network fundamental
 Importance of networking - making
impossible possible! See expert’s view.
Try!
Local Area Network (LAN)
 Wireless LAN vs cable LAN
 ATM vs Ethernet (go to cisco for details)
 UTP vs Optics Fiber
 1000Mbps vs 100Mbps
 Hubs (layer 1)
 Switches (layer 2)
 Routers (layer 3)
 Cost and benefit analysis
Case Study: PC-LAN (1998-12-19)
Case Study: PC-LAN
• How about other schools?
Put it all together:
 Try to produce your School Network diagram
 Try to train up your “internal” Network
administrator
 Why do we get to know such stuffs?
School expansion
School upgrade
New projects/events
 Tours to PCMS server room
Intranet, Extranet and Internet
 Logical Intranet vs Physical Intranet
 Formation of Extranet
Join school resource centre (e.g. PCECRC)
Centralized resource centre (e.g. hkedcity.net)
 Access to Internet
Internet Service Provider
Different service plans
 Real problems: bandwidth and reliability
Internet Access Alternatives
 56Kbps modem dial-up (individual, slow)
 Residential broadband/ISDN (individual, fast)
 Business broadband/ISDN (group, fast)
 Business leased line (group, fast, reliable)
 Common Internet Service Providers in HK
Netvigator (網上行)
Hutchison (和記)
I-CABLE (有線寬頻)
Speedlink (快聯網)
CTInets (城市電訊)
Bandwidth vs Throughput
 Is 10Mbps better than 1.5Mbps?
 Technical comparisons (香港寬頻用戶網)
 Users point of view …
???
100Mbps
MMLC, ITLC , MMC &
special rooms
 Functional characteristics
 Differences between MMLC and ITLC
 Upgrade ITLC to MMLC
 MMC makes the whole world changes
 Use of Special rooms (teaching and learning)
Information Technology
Learning Centre (E310, E021, E012)
 Client computers
 Network access
 Media broadcast capability
 Language capability
 Grouping function
 Media on demand
Multi-Media Classroom
(Normal classroom)
 Client Computer
 Network access
 Media broadcast capability
 Language capability
 Grouping function
 Media on demand
Music Labs and equipment
(E307)
 Client computers
 Network access
 Media broadcast capability
 Media on demand
 Special music equipment
keyboard, mixer, HQ-sound card, etc.
 Special music software
Art Labs and equipment
(E207)
 Client computers
 Network access
 Media broadcast capability
 Special design equipment
Digitizer, graphic tablet, HQ-scanner, HQprinter, HQ-image grabber, etc.
 Special design software
System platform
 Client-Server environment
 Operating System for clients:
Windows NT/2000
Windows 95/98/ME
Linux/Unix
Mac OS/ Mac OS X
 Network Operating System:
Novell Netware
Windows PDC
Linux/Unix NIS
Servers
 Different options:
(1) Windows NT, Windows 2000, Linux, Unix
(2) Remote hostage vs Local hostage
 DHCP server, Proxy servers & Firewalls
 Web servers, news servers & mail servers
 Primary Domain Controller
 File servers & Print servers
 Video servers or Media servers
 Application servers
Pui Ching Middle School Network Diagram
Schoolteam Server Cluster
(Mail, Ftp, Web servers)
PC workstations
Power Users
Web & News Server
T1
Firewall
Default Gateway
Router
Domain & DHCP server
Student Servers
Resources and system server
Media Server
Project Servers
SAMS server
Data Server (Teacher only)
SPMNet Servers
…...
CD Tower
Internal LAN
HKTIMS
Proxy Server
Application platform
 All-in-one service:
Mail, web-hosting, administration,
teaching and learning activities, etc.
 Our selection: Schoolteam, EClass & SPMNet
 Selecting Criteria
Cost and benefit
Reliability
IT campus management best
practices
 Find the right person
 Estimate a reasonable workload
ITC
SAMS administrator
Computer Studies Panel Chairman
Network/System administrator
Merchandiser
 Systematic approaches
“Service pledge”
 Why should we have “service pledge”?
 Cascaded “service pledge”
 What should be included?
Point(s) of contact
Normal response time
Normal recover time
Maximum system down time
Documentation (Pui Ching Samples)
 List of IPs
 List of Passwords
 Hardware checklist
 Software checklist
 Network diagram
 Server settings
 TSS attendance records
Hardware & software management
 Logging and reporting system
Our simple reporting system in schoolteam
 IT Perfects
Technicians / Programmer / Web-admin
 TSS scheme
 Multicast cloning
Fast and efficient way to get “total recover”
Power issues
 Risk of a blowout
 Recovery procedure
Security issues
 Infrared security systems
 Keycard locks
Professional Certifications
 MCSE & MCP
 CCNA
 RHCE
 Net+
2001 / 06 / 18
wtchung