Network/Technology Infrastructure Plan Section 5 – 6 – 7 As prepared for the TUSD Governing...
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![Page 1: Network/Technology Infrastructure Plan Section 5 – 6 – 7 As prepared for the TUSD Governing Board Summer 2007 John Bratcher Network Security Systems Analyst.](https://reader030.fdocuments.in/reader030/viewer/2022032800/56649d235503460f949f9275/html5/thumbnails/1.jpg)
Network/Technology Infrastructure PlanSection 5 – 6 – 7
As prepared for the TUSD Governing Board Summer 2007
John BratcherNetwork Security Systems Analyst
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Today’s Topics
• Section 5 – Proposed District Standards
• Section 6 – Emerging Technology Considerations
• Sections 7 – Data Protection and Disaster Recovery
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Bandwidth Contexts
Computer IDF MDF Hub SiteInternet
Morrow Hub
100 Mbps bandwidth
on LAN
1 Gbps bandwidth
on LAN
1.5 Mbps bandwidth on WAN
45 Mbps bandwidth on WAN
145 Mbps ISP Uplink
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Greater Bandwidth demands
• Increasing use of streaming video • Increasing use of video teleconferencing and distance
learning • Increasing trends toward 1:1 computing in K-12 • Increasing use of web-based (versus computer-based
or textbook based) instructional materials. • Increasing use of IP-based voice
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Specialized systems that depend on the network
• Environmental Management Control Systems (EMCS)
• Fire Alarm System• Security Alarm/ Video
Surveillance System• Access Control System• Irrigation Systems
• Distance Learning Systems
• Conference Bridge System
• Remote Access (VPN) for staff and teachers (limited)
• TUSD Television Broadcasting System
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Bandwidth
Current Bandwidth
• Elementary Schools 1.54 Mbps• Middle Schools 1.54 Mbps• High Schools 3.08 Mbps
Recommended Bandwidth – based on average
50 Kbps/student
• Elementary Schools 100 Mbps• Middle Schools 300 Mbps• High Schools 500 Mbps
Detailed “PER SITE” of calculations in Table C-2 of Appendix
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Proposed District Standards
• Classroom configuration• Building configuration• District level configuration• Bandwidth Needs• Equipment replacement schedule• Disaster Recovery
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Infrastructure Standard for each Classroom:
• 1 drop (6-12 strands) fiber optic cabling (rated at 10Gbps- operated at 1 Gbps)
• 2 CAT5 Enhanced copper drops PoE• 1 for wireless Access Point• 1 for voice
• Classroom data cabinet including 24 port managed switch (1 Gbps)
• 8 CAT5 Enhanced copper data drops
• APPROVED Standards – in packet
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Infrastructure Standard for each Classroom:
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Infrastructure Standard for each School Site
• Adequate switching and cabling capability to support all classrooms at 1 Gbps
• Uninterrupted Power Supplies to handle PoE requirements at all IDFs
• Adequate electrical capacity
• Adequate HVAC
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Infrastructure Standard District Level
Current• Bandwidth = 75 Mbps-
145 Mbps (E-rate)
• Voice – Converged but not fully IP enabled
• Variety of cabling and switching from CAT3 (10 Mbps) to CAT5 Enhanced (1 Gbps)
Recommended • Bandwidth – 1 Gbps
upgradeable to 10 Gbps
• All voice systems –IP Enabled
• All cabling/switching to support 1-10 Gbps
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Targeted Needs:
• Upgrade network hardware and bandwidth to support the network core, distribution and access layer connections
• Upgrade all copper cabling to Cat 5 Enhanced• Installing LAN wireless access points to provide
coverage in all learning areas• IP-enable PBX equipment• Install fiber optic cabling within and to all buildings on
a campus
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Emerging Technology Considerations
• IP-Enabled Voice systems
• Establish the role of wireless
• Support expressed academic technology needs:• Increased Capacity• Remote Access• Parent-Teacher Communications
• Review of Special-purpose network services
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Data Protection and Disaster Recovery
• Mission Critical• District information stored in electronic form that is
reliable and automated• Procedures for recovery from possible disasters
have been carefully designed
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Data Protection and Disaster Recovery
Central Servers• Tape library is outdated • Technology is outdated • Capacity is inadequate • Process is inefficient • No off-site redundancy
Site Servers• Tapes fail • Tape drives fail • Tape capacity is inadequate • All data cannot be backed up • Backups are recycled too quickly
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Questions