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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 • Sections 7 – Data Protection and Disaster Recovery Bandwidth Contexts 100 Mbps bandwidth on LAN Computer 1 Gbps bandwidth on LAN IDF MDF 1.5 Mbps bandwidth on WAN Hub Site 45 Mbps bandwidth on WAN Morrow Hub Internet 145 Mbps ISP Uplink 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 • 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 Current Bandwidth Recommended Bandwidth – based on average 50 Kbps/student • Elementary Schools 1.54 Mbps • Middle Schools 1.54 Mbps • High Schools 3.08 Mbps • 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 • • • • • • Classroom configuration Building configuration District level configuration Bandwidth Needs Equipment replacement schedule Disaster Recovery 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 Classroom: 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 Current • Bandwidth = 75 Mbps145 Mbps (E-rate) Recommended • Bandwidth – 1 Gbps upgradeable to 10 Gbps • Voice – Converged but not fully IP enabled • All voice systems –IP Enabled • Variety of cabling and switching from CAT3 (10 Mbps) to CAT5 Enhanced (1 Gbps) • All cabling/switching to support 1-10 Gbps 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 • 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 • 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 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 Questions