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Network/Technology Infrastructure Plan Section 5 – 6 – 7. As prepared for the TUSD Governing Board Summer 2007. John Bratcher Network Security Systems Analyst. Today’s Topics. Section 5 – Proposed District Standards Section 6 – Emerging Technology Considerations

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Network technology infrastructure plan section 5 6 7

Network/Technology Infrastructure PlanSection 5 – 6 – 7

As prepared for the TUSD Governing Board Summer 2007

John Bratcher

Network Security Systems Analyst


Today s topics
Today’s Topics

  • Section 5 – Proposed District Standards

  • Section 6 – Emerging Technology Considerations

  • Sections 7 – Data Protection and Disaster Recovery


Bandwidth contexts
Bandwidth Contexts

100 Mbps bandwidth on LAN

1 Gbps bandwidth on LAN

1.5 Mbps bandwidth on WAN

45 Mbps bandwidth on WAN

Computer

IDF

MDF

Hub Site

Morrow Hub

Internet

145 Mbps ISP Uplink


Greater bandwidth demands
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


Specialized systems that depend on the network
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


Bandwidth
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


Proposed district standards
Proposed District Standards

  • Classroom configuration

  • Building configuration

  • District level configuration

  • Bandwidth Needs

  • Equipment replacement schedule

  • Disaster Recovery


Infrastructure standard for each classroom
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



Infrastructure standard for each school site
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


Infrastructure standard district level
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


Targeted needs
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


Emerging technology considerations
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


Data protection and disaster recovery
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


Data protection and disaster recovery1
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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