Wide Area Network Requirements

Darrell's Internetworking Site

DIS

WAN Requirements

- WIDE AREA NETWORK

The Washington School District Wide Area Network (WAN) will connect all school and administrative offices with the district office for the purpose of delivering data. The WAN will be based on a two-layer hierarchical model. Three (3) regional Hubs will be established at the District Office/Data Center, Service Center and Shaw Butte Elementary School for the purpose of forming a fast WAN core network. School locations will be connected into the WAN core Hub locations based on proximity to the Hub. TCP/IP and Novell IPX will be the only networking protocols that will be acceptable to traverse the district WAN. All other protocols will be filtered at the individual school sites using access routers. High-end, powerful routers will also be installed at each WAN core location. Access to the Internet or any other outside network connections will be provided through the District Office/Data Center through a Frame Relay WAN link. For security purposes, no other connections will be permitted.

Notes:

4 T1 data lines will provide Point-to-Point connectivity between each of the three Regional Hubs
(I. Data Center - II. Service Center - III. Shaw Butte School)
One T1data line will provide Point-to-Point connectivity from each Regional Hub to each connected site.
One T1-speed data (Frame Relay) line will connect all sites to the Internet. This connection will occur at the District Office/Data Center, from the firewall routers to the Frame Relay "cloud."
One site (Community school) will access the district WAN via ISDN.
All site routers will have modem connectivity to the Data Center and Service Center for ease of router maintenance and enforcement of district-wide network administration policies.

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