Graded-Innovations from the past,
in the present and for the future.
Luiz Augusto Zicarelli de Oliveira
ICT Network and Infrastructure Mgr.
Luiz.firstname.lastname@example.org | @luizicarelli
Graded is an American school that serves an international
Mission community of learners by inspiring individual excellence in a
collaborative setting, fostering intercultural competence and
Statement empowering students to become engaged, ethical citizens in a
Early ’70 to mid ‘90 : AV department was responsible for the
equipment used by students and in the offices.
Early ’80: First computers were accquired .
Late ’90 : Technology Department formally created.
Graded’s IT 2003 : Libraries were merged into the Tech Dept.
History 2008 : Evolved to ICT Department.
Slide and overhead projectors were widely used in classrooms.
Tape recorders (K7 and VHS)
First First computer lab (1982-83)
First computer lab assembled in 1983 ( one of the first in Brazillian
First secondary school of South America with Internet “class C”
A/V Dept.: Need node, in 1992
for innovation 1995 - Students and staff able to Dial-in and connect to school’s
2000 – Launch of Teacher and Staff Laptop Program, with over 100
teachers receiving their first laptop.
2001 – First attempt to wireless-network on campus
Late 90’ the first classes using iMac Labs and other proper
From A/V to IT New Media Center built in 1998, with US Library and A/V Dept. In
the same building.
then ICT Number of computers increased 500% in 5 years.
Pressure for Mobility.
Past-2000 2001-10 2011-future
PC Desktops spread BYOD
Basic Language through school
Computers Deactivated Labs
3 iMac Labs
From A/V to IT PC Desktops Laptop Carts
2 Mac labs Smartphones and
then ICT Laptop Checkout
2 PC labs Wireless network
10/100mbps Gigabit ethernet
connection Connection cloud-based
Increasing internet systems
Low Internet demand
IP Thelephony Communications
1999 : first wireless access points ( Cisco aironet 340)
2000/01 : Laptop Program 1st year
2001/02 : 1st. wireless laptop carts (Dell and Mac)
2002/03 : 1st. Gen. Wireless infrastructure deployed (Enterasys)
From A/V to IT 2003-2008: full structured cabling installation and Equipment
Mobility Evolution 2007: Enterprise-level Wireless (Aruba)
2008/09: Google apps adoption
2009/2010: Email Migration (Gmail)
2010: Platform Migration (Novell to Microsoft)
2012: Ipad Pilot
From A/V to IT 200
then ICT 150
Evolution of devices
1995 2000 2005 2012
macs 24 40 127 62
PC-Desktop 63 270 371 282
PC-Laptop 1 200 231 438
PC-Netbook 0 0 0 123
tablets2 0 0 0 25
macs PC-Desktop PC-Laptop PC-Netbook tablets2
From A/V to IT 60
then ICT 40
Available equipment on Campus
from 2000 to 2012. For staff, faculty
and students. 1995 2000 2005 2006 2007 2008 2009 2010 2011 2012
Projectors 0 3 15 34 48 50 56 86 127 129
Labs 2 10 13 15 20 21 21 20 19 16
Wireless Aps 0 5 13 15 48 55 96 120 123 125
printers 12 110 110 80 68 59 61 65 69 71
still cameras 10 10 12 14 30 43 47 54 73 77
video 3 5 14 11 14 29 35 37 52 60
Projectors Labs Wireless Aps printers still cameras video
IP PBX, using SIP Phones, with 300 internal extensions, but only150 Direct-dial (Siemens)
15 Fax/Backup Direct lines
90 Cell phone lines
50 3G modems
100Mbps Internet Conection (3 different providers bundled and ballanced)
14 Servers, with 4 of them holding 14 virtualized machines
10 TB of storage
From AV to IT
31 border switch units (enterasys B3G/B5G)
124 Wireless Access Points
then ICT 77 Digital Cameras
60 Video Cameras
162 docking stations
38 document cameras
75 Networked Printers
82 Networked Digital Clocks
25 iPads (pilot)
From A/V to IT
Network design 2001
From A/V to IT
Network design 2012
Antivirus – from Trend Micro to Symantec.cloud
DNS – recursive DNS from DynDNS, which also provides Internet
content filter, the Internet Guide.
From AV to IT
Monitoring – OpMon, from OpServices, provides customized
then ICT infrastructure monitoring, based on Nagios.
Systems as Services
Google Apps – Documents, Calendar, Email, Blogs, Sites, and
many other online resources.
Web site – Developed and hosted by Finalsite
Student Information System – Veracross, hosted by Breuer Co.
OpMon - https://Monitor.graded.br
From AV to IT Wireless Dashboard - https://wireless-master.graded.br:4343/
then ICT Internet Load Balancing - https://172.16.16.1/load.htm
Monitoring and Controlling
Netsight - http://10.10.1.7:8000/Clients/index.jsp
System Center 2010 Hyper-V and Cluster manager
ERP system implemented in 2000, called Microsiga Protheus 6,
using SQL database.
From AV to IT
In 12 years, the system has evolved and spread to all areas, to
then ICT version 11, to be implemented next Jan 25th.
New Version will have also a new infrastructure, with two new
servers, fully redundant.
First e-mail system was implemented in 1995.
From 2001 until 2009 Graded used the Novell’s Groupwise. It was
From AV to IT locally stored on a simplex mode.
then ICT In 2005 Web-based Anti-spam service was added to the email
In 2009 accounts were migrated to Gmail (Google Apps).
Old service was permanetly deactivated in 2010.
Until 2004 control was made by hand or spreadsheets.
From AV to IT First digital system implemented in 2005. Installed and mantained
on campus. (Track-it)
In 2008 service was migrated to SaaS system, online and off-
Until 2008 Databases were not consistent, and each area worked
From AV to IT on a different database, on different formats, MDB, DBF, DBX.
2009 New Saas Student information system was implemented
Measuring and controlling
ICT ITIL/Cobit/PMI Frameworks
Management Continuous improvement
ICT Control and mitigation of issues and problems
Management Knowledge base
Integration with contractors
16 Local Service Providers, 10 including on-site support
7 International Service Providers
Inventory - More than 100 software available for teachers and
Management students usage
Current priorities / challenges
Liability - More than 1300 users every day.
Security - More than 1000 wireless devices logged in every day.
Mobility – 3 to 1 ratio – Consummerization
Anytime and Anywhere access
21st. Century Social Networks - online communication
School’s ICT Virtualization
In the horizon
Access our Cohort group forum at
scenes-infrastructure and share your ideas!