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Appalachian State University. Information Technology Infrastructure & Systems. Network and Computing Infrastructure – what is it ?. Fiber Plant Capacity. Current fiber plant built in early 1990s ~72 pair of Single Mode, long distance & high speed

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Information Technology Infrastructure & Systems

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Appalachian state university

Appalachian State University

Information Technology Infrastructure & Systems


Network and computing infrastructure what is it

Network and Computing Infrastructure – what is it?


Fiber plant capacity

Fiber Plant Capacity

  • Current fiber plant built in early 1990s

  • ~72 pair of Single Mode, long distance & high speed

  • 24 pair of Multimode, outdated, little value

  • Design connects Data Centers and Distribution buildings via redundant paths

  • Distribution buildings to others is single path

  • New 144 pair paths are being pulled to tie Raley to StateFarm DC


Network capacity

Network Capacity

  • Wired Connections ~40000 ports

  • Wireless Connections

    • 98% of internal space is covered by wireless canopy

    • 1759 access points: 915 ResNet + 844 Admin & Academic

    • 7000 average users/day with peaks to 12,000

    • 30% of our bandwidth with peaks to 60%

  • Registered Clients

    • 48,016 registered devices on the network

    • 24,494 student devices

    • 412 Servers providing services to the world (272 Central & 141 Distributed)


Data center capacity

Data Center Capacity

  • Primary Data Center – Raley Hall

    • ~2200 SqFt / Very near capacity

    • (8) Server racks - 272 rack units

    • (6) Storage racks – 252 rack units

    • (6) Network racks – 252 rack units

    • 360KW Back up generator

    • (3) 10 ton Air handler units

    • (3) UPS – 220Kw battery backup

  • Secondary Data Center – Anne Belk Hall

    • ~600 SqFt / Capacity exhausted

  • Bond growth taxed our Data Center capacities

    • More computers -> More power -> More cooling REPEAT


Security capacity

Security Capacity

  • Firewalls: Internet edge and between Border and Core

  • VPN: Protect and provide remote access to protected services such as INB Banner and Ustor

  • Intrusion Detection: Monitor traffic signatures for threats to the network and/or clients

  • Virus Protection and Quarantine Process: Manage stability and integrity of network, infected devices removed from the network until cleaned and stabilized. Average deleting and cleaning >100 virus infections/month

  • Spam Filters: Filter >70% of the email that hits our servers


Systems capacity

Systems Capacity

  • ~132 Physical Servers

    • 13 of these provide virtualization service for 308 VMs

  • Operating Systems distribution

    • 256 Windows Servers

    • 141 Linux Servers

    • 30 SUN/Oracle Solaris


Storage and backup capacity

Storage and Backup Capacity

  • Storage and Backup Services

    • Two storage architectures

      • Banner/Email – 27Tb total 17 Tb used

      • EMC Disk-based backup - 87% Data reduction thru compression and deduplication

      • Other Enterprise App. Storage and Departmental/User

        • 21.9 Tb total 16.3 Tb used (80% usable limit)

      • NetApp Disk-based backup – 65 Tb total 44.8 Tb used

    • Tape library – 219 tapes ~500 Tb of data


How we got here

How we got here.

  • 2000 – NC Infrastructure Bond. (2000-2007)

    • 4+ Million dollar infusion in to IT infrastructure and Capital Building projects.

    • One time money primarily earmarked for

      • IT Infrastructure

        • Building Infrastructure

        • Network Infrastructure

        • Security Infrastructure

        • Systems Infrastructure

        • Data Center Infrastructure

      • Capital Building Projects


What we did with the money cont

What we did with the money (cont.)

  • Building & Fiber Infrastructure upgrade

    • Built additional capacity into campus fiber plant

    • Upgraded building wiring to cat 5 specification

  • Network Upgrade

    • Forklift upgrade of all Network electronics

      • Core and Distribution routers – 1 GB connectivity

      • Edge switches - 10/100 MB port for every office

    • Expanded Wireless to near 100% campus coverage for convenience use


What we did with the money cont1

What we did with the money (cont.)

  • Data Center Upgrades

    • Established 2nd Data Center in Belk

    • Began building High Availability services

    • New HVAC Units providing more cooling

    • New UPS units to power more equipment

    • New generator for Belk for backup power


What we did with the money cont2

What we did with the money (cont.)

  • Security Upgrade

    • Implemented Intrusion Prevention

    • Implemented & Upgrade Firewalls

  • Systems Upgrade

    • Purchase Sun E2900 Server in 2003 for Banner

    • Upgrade to Email and Portal Infrastructure

  • Storage Area Network

    • Purchased Initial SAN storage in ~2003


What have we done since then

What have we done since then?

2000-2007: Tremendous growth, no refresh plan and realization of managing enterprise resources and data center capacity

2008: Banner and Email Storage to SAN ($525K), upgraded storage drives, split Banner out to SUN Storage.

2009: Upgraded NetApp controllers and added storage shelves

2010: Implemented Intrusion Detection technology


What have we done since then1

What have we done since then?

2011: Replace Banner servers ($250K)

2012: Upgraded Core, Border, and Distribution routers to 10+ gig ~$1.2 mil (operational lease), Invested ~$400,000 in wireless infrastructure

2013: Rebuilt/upgraded campus edge/firewall hardware to 10Gig. ~$225k, Upgraded network bandwidth from 1 gig to unlimited - $155k/year, Upgrade IDS to accommodate 10 Gig 2013


Addressing the gap

Addressing the Gap

  • End of life – Much of what we purchased in 2000-2007 has reached its vendor supported end-of-life.

  • Security & Feature Updates are no longer developed

  • Rely on 3rd party support for much of our Enterprise services


Addressing the gap1

Addressing the Gap

  • Network edge - Self Support maintenance model since 2010

    • Next Gen Technology identified, refreshing as funds become available.

  • Security - Encryption, policy, data loss prevention, PCI, scanning tools

  • Several services/applications and their systems are showing age. Portal and Email technologies are 8+ years old.

  • Most storage on the SAN will reach EOL in 12-24 months. Consolidating storage strategies and developing the use of cloud storage will create efficiencies in management and budgeting

  • Evaluate our service catalog and refresh technologies where necessary


  • Addressing the gap2

    Addressing the Gap

    • Proposed Data Center – State Farm Warehouse

      • ~3000 SqFt

      • Capacity will be initially 1.5 times Raley

      • Growth to ~3 times Raley

      • Will become Primary & potentially our only DC

      • Implements current technologies to optimize environmental efficiencies

      • Funded primarily through Energy Performance contracts


    Budget and strategic planning

    Budget and Strategic Planning

    • Governance Portfolios to assess, manage and set strategy for technology services

    • Master plan for network and computing infrastructure investments

      • Fiber plant strategy consultation

      • Network and Telecom convergence model

      • Security program and strategy

      • Put vendors head to head on server solutions

      • Developing storage plan focusing on cloud


    Budget and strategic planning1

    Budget and Strategic Planning

    • Budget Sustainability

      • IT budget was originally divided between operation costs and growth(refresh) costs.

      • Bond and subsequent investments created imbalance – Maintenance consumes greatest percentage of operating budget

      • Need to work toward budget model that supports strategic investment AND refresh cycle


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