Education demands so much more than a notebook and pen these days.

Students rely on the Internet for research, teachers keep track of grades online, and administrators use internal networks to manage documents and enhance collaboration. Unfortunately, providing these tools requires a hefty investment in bandwidth, and many school districts aren't flush with cash.

The North Vancouver School District (NVSD) in British Columbia is one such district whose goals threatened to overwhelm its means. About a year ago, with heavy use already straining the district's WAN, officials wanted to implement such programs as digitally linked scholastic records, podcasting and videoconferencing -- all of which would stress the network further.

"The network coming into schools was intended primarily for student use," says Stephen Lamb, director of information and communication technology at NVSD. "When we start running business applications across the same pipe, it becomes a difficult balancing act of what's going to take priority," he says.

NVSD achieved that balance using WAN-acceleration devices from Silver Peak Systems. First, however, the district in August explored -- and ruled out -- network expansion, says Bryan Swan, NVSD's IT infrastructure manager. (Compare Application Acceleration and WAN Optimization products.)

The dreaded bandwidth boost

The IT executives had a couple of reasons to consider a boost in bandwidth. First were the district's problems with application performance. For example, delays in such programs as BCeSIS -- the provincial government's Java-based Web application used for student management and grade reporting -- were becoming unacceptable. Second, the district was consolidating its network into a central data center to improve connectivity and data recovery. With 19,000 users on a variety of lines -- seven with a 10Mbps capacity, two with a 100Mbps capacity and 30 DSLs or T1s -- the IT department realized that buying more bandwidth for the network would be prohibitively expensive. Upgrading bandwidth at every school would have cost about $400,000 initially, and annual upkeep was projected to cost about $220,000.

The district also had to work with British Columbia's Provincial Learning Network, which allots a fixed amount of bandwidth to a district. PLNet officials have said they want to provide better connections, but as of last summer, Swan says they had offered no concrete indication as to when or how those improvements would occur.

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