Anna Van Dyke's TCS
User Requirements
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Lifespan of 7-10 years
75
administrative users per site with static IP addresses
250
student users per site with static IP addresses
Min 100x growth in the LAN
throughput
2X
growth in the WAN core
Initial implementation
·
1Mbps any host computer
·
100Mbps for any server host
Enterprise servers for Administrative tasks
Workgroup servers for localized use
Internet access from all sites
TCP/IP and IPX will be the only protocols
Dual LAN layout
·
Administrative
·
Curriculum/Study
Internet access from DO
·
Frame
relay WAN link
Three regional hubs (DO, Service Center, Shaw Butte Elem.)
·
4 ea. T1’s between hubs
·
PPP is protocol
TCP/IP and IPX protocols only
allowed to traverse the district LAN
2
Layer Hierarchical model
ISDN connection to the WAN from Community School
Internet access from DO
·
Frame relay WAN link
2
LANs set up at each school site and at the DO
·
Administrative usage (75 users per site with static IP addresses)
· Student/ curriculum usage (250 drops per site with dynamic IP addresses)
The cabling infrastructure shall comply with EIA/TIA 568 standards
·
Ethernet 10BaseT, 10oBaseT, and 100BaseFx
·
Horizontal will be CAT 5 UTP
·
Vertical (backbone) cabling will be CAT 5eUTP or fiber optic multi-mode
Site LANs
·
LAN infrastructure will use Ethernet LAN switching
·
Star or extended star topology to be used
·
Each site shall have an MDF with a POP
·
All major electronic components will be housed in the MDF
·
Routers
·
Servers
·
LAN switches
· IDFs to be established if needed
Each classroom
·
100Mbps bandwidth capacity
·
Lockable cabinet to be the POP for the room, will contain switches
·
Distribution along wall to be decorative wire molding
·
4 each CAT5e UTP runs to support 24 workstations for Network 1
1 each run of CAT5e terminated at the teachers
workstation for Network 2
DNS and e-mail
services will be on the Master Server at the District Office
·
Each Hub will have a DNS server to support it’s individual schools
·
Each DNS or E-mail service will have a complete directory of staff and
students for that location
·
Each School will have a local post office box and store all e-mail
locally
·
The DNS update will flow from school to hub to DO
Administrative
Server at each school site
·
Student tracking
·
Attendance and Grading
·
Additional Administrative functions
Library Server at
the District Office
· Automated library information and retrieval system
·
Online library for curricular research
· TCP/IP
·
Available to anyone on-site
Application
Server at each school site or hub
·
Central to school or hub site
·
MS Word
·
MS Excel
·
MS Power Point
·
TCP/IP
·
Available to anyone on-site
Other Servers
·
Will be considered departmental
· Placed according to local needs
·
Requirement analysis to be submitted prior to placement
Address and Network Management
Complete TCP/IP addressing and naming
convention to be developed and administered by the DO
All computers on Administrative LANs will have static addressing
All computers on Student LANs will use DHCP
Master Network management host will be established at the DO
·
Total management rights over all devices on the entire network
· Configuration host
· Maintain the current configurations of all routers
Management for data portion of the
network will be SNMP
·
For downloading new or existing configurations
Super User passwords maintained by the DO
Configuration changes to authorized by the DO
All computers in the district will have full access to the Internet, E-mail,
DNS and WWW server
·
All Internet connectivity through the DO
·
Double Firewall Implementation with public network
Connectivity initiated from the Internet will be protected via ACLs
Double Firewalls will be on the Routers
All
connectivity initiated from within the district to the Internet will be freely
permitted
E-mail and DNS services will be freely permitted in both directions
A
web server will reside on the public backbone
Partitioned to allow school web pages
Individual web servers needing total exposure to the Internet will not be permitted on the internal district network
Double Firewall implementation
All Internet exposed applications residing on a public backbone
·
All connections from the Internet into the schools private network will
be refused
Network Security model
·
Three logical network classifications with secured interconnections
·
Administrative
·
Curriculum
· External
Two physical LAN infrastructures at all
schools and the DO
·
Administrative and student
·
All computers and servers will be classified according to function and
placed on appropriate LAN
·
ACLs will be used to prohibit traffic from the curriculum LAN onto the
administrative LAN
·
E-mail and directory services will be allowed to pass between LANs
Computer Security
·
User ID and password policy will be published and strictly enforced on
ALL computers on the administrative LAN
·
All ACLs will be controlled at the DO
· Exceptions to ACLs will be reviewed at the DO prior to implementation
