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Texas School District Embraces Avaya Networking Infrastructure
1. Texas School District Embraces
Avaya Networking Infrastructure to
Enable 21st-Century Learning Models
Pearland, Texas—When the Pearland Independent School District
(ISD) administration wanted to update their district-wide PC
operating system to Microsoft Windows 7, they faced the prospect
of upgrading 12,000 desktop computers across 28 locations.
The IT group and district management teams considered various
options, and narrowed them down to two: replacing all legacy
computers with new Microsoft Windows 7 PCs; or embracing a
Virtual Desktop Infrastructure (VDI) strategy, which would
accelerate Microsoft Windows 7 adoption and also allow
replacement of computers and other devices on an end-of-life basis.
Ultimately, it was determined that the VDI approach would consume
the least in terms of precious IT resources and deliver the most in
terms of return on investment.
In consultation with the Avaya account
team and the Avaya channel partner,
Layer 3 Communications, the District
drilled into what the implications of a
VDI strategy were for its network. Greg
Bartay, Director of Technology,
comments, “We were actually very
pleased with the Avaya network that we
had been running for several years
because, functionally, it was a very easy
product for us to use. We considered it
bulletproof, and it seemed like it could
run forever. However, we also realized it
wasn’t going to give us everything we
needed to deliver a full complement of
21st-century educational capabilities. We
had no hesitation about staying with
Avaya, it was simply a question of
upgrading to the best overall platform
for all our anticipated needs.”
avaya.com | 1
Challenges
• Daunting prospect
of funding
thousands of
PC upgrades
• Underpowered
network with
insufficient
throughput
• Need to support 28
locations, 20,000
students, 2,500 staff
• Growing bring-your-
own-device (BYOD)
and IP Multicast
demands
Value Created
• Dramatic
improvements
in network
performance,
speed-of-
deployment, and
management
functionality
• IPTV and streaming
applications
delivered via new IP
Multicast capabilities
• Considerable dollar
savings anticipated
with shift from
printed textbooks
to newly-enabled
online curriculum
materials
• Secure device
authentication,
consistent policy
application, and
comprehensive
reporting for wired
and wireless systems
2. Pearland ISD envisioned a network
environment that could deliver ample
bandwidth capacity for VDI and, at
the same time, safely address bring-
your-own-device (BYOD) demands
from students and staff. They also
wanted reliable, state-of-the-art IP
Multicast capabilities for delivery of
IP-based television (IPTV) and other
streaming applications that teachers
and administrators wanted to
incorporate into Pearland ISD
curriculums.
In order to deliver a network that
could meet these objectives, the
District decided to upgrade its Core
and Edge switching infrastructure, as
well as deploying a foolproof method
for robust BYOD support. They chose
the Virtual Services Platform (VSP)
9000 for the Core of the network and
VSP 4000 and 7000. Ethernet
Routing Switch (ERS) 4850 products
are variously deployed at the Edge.
The secure access management
solution includes the Identity Engines
Ignition®
Server in High Availability,
Identity Engines Ignition®
Guest
Manager, and Identity Engines
Ignition®
Access Portal.
“We knew that it would take a very
strong and resilient network to handle
everything we planned to do with it,”
Bartay states. “The particular
combination of Avaya products that
we chose to upgrade our network is
the ideal solution to handle our needs
for bandwidth, flexibility, scalability,
ease of management, and network
security. It enables us to run dual
high-capacity 10 Gigabit links within
the Campuses, and it features the
Fabric Connect technology, which will
enhance our use of Multicast-based
applications. Most importantly, we
have been comfortable historically
with Avaya solutions, with the
company, and with its people. We feel
that everything about Avaya is very
solid.”
Pearland’s 9-7-4
Solution
Maintaining always-on applications
access for 28 separate locations is no
small challenge, but it’s one that the
relatively small Pearland ISD team
can handle with relative ease. The
VSP 9000 supports mission-
critical services with its hardened
architecture, carrier-grade operating
system, system-level health checks,
and self-healing capabilities coupled
with interruption-free software
patching. With the Fabric Connect
technology – part of the Avaya VENA
solution toolkit – the team never
needs to reconfigure the network
core. Moves, adds, and changes are
done in real-time, with a simple end-
point provisioning model that makes
changes easier than ever before.
At the same time, the VSP 7000 adds
a Distributed Top-of-Rack capability
that boosts the performance of
applications, significantly improves
service agility, and leverages Avaya
Fabric Connect to deliver network-
wide virtualization. The District can
employ a building-block approach to
realize extreme flexibility, with no
hard-and-fast topology constraints.
Substantial capital savings can be
realized through the unique hardware
architecture.
Finally, the VSP 4000 extends the
Fabric Connect technology to the
individual Campuses with full-
featured network virtualization
capabilities in a cost-effective 1/10
Gigabit platform. This Fabric Connect
device can support multiple services
without introducing multiple complex
protocols – including Layer 2 services
that extend VLANs across the private
cloud, Layer 3 services that
interconnect and extend VRFs, native
routing for access to shared services,
and shortcut routing for direct Layer
3 connectivity. With sub-second
recoveries for all services, VSP 4000
makes network issues transparent
to users.
Bartay says, “What we have today is a
very solid, high-performance network
that we built as our backbone, and
then everything else is laid on top of
that. With the proven VSP 9000, our
redundancy all resides in one chassis
instead of the traditional two. We are
running dual 10 Gigabit links out to
the Campuses, and there’s absolutely
no degradation in our performance. In
fact, we’re seeing an amazing amount
of throughput, and the network is
running very fast – so fast, in fact, that
we receive calls from users who have
noticed the increase in network
speed.”
“From an operational perspective,”
he adds, “this is a very elegant
solution for managing a network of
24 Campuses and four satellite
facilities, serving over 20,000
students and approximately 2500
staff members. It meets the critical
goal of helping us manage and
streamline what we do to meet the
needs of all our stakeholders.”
Operational Advantages
With the Fabric Connect technology
from Avaya, the IT team has been able
to eliminate complex protocol
overlays and cumbersome hop-by-
hop provisioning practices. Services
need now be configured only at the
Edge of the network, protecting the
network Core from change and
errors. Moves, adds, and changes can
be implemented on demand without
introducing risk. These are critical
business improvements for a growing
school district with limited support
staff due to recent budget
constraints.
One numeric measurement provides
an example of the speed achieved
with the new system. According to
Bartay, before installing the VSP
9000 and ERS 4850 Switches, there
were anywhere from 50 to 100
re-tries during VDI login. Now, VDI
2 | avaya.com
“With so many mission-
critical systems running
on our Avaya network,
we need to have
certainty about its
performance, durability,
flexibility scalability, and
security – and we also
need to depend
absolutely on the
excellent ongoing
support we receive from
Avaya. We feel that all of
these bases are
extremely well-covered
now, and we truly have a
network foundation for
the future.”
— Greg Bartay,
Director of Technology
3. avaya.com | 3
logins experience zero to five re-tries,
on average. “We still have a long way
to go to really tap into the full
potential of everything we have,”
Bartay comments. “However, the
re-try improvement is a dramatic
indicator of the kind of enhancements
we can expect to be able to document
in other critical areas of performance.”
IP Multicasting capabilities represent
one of the most important aspects
of the new network deployment for
the District. Bartay says that it will
enable the streaming of Discovery
EducationTM
and IPTV, both of which
are going to become significant
curriculum elements throughout the
district, based on requests and
recommendations from the teaching
staff.
Avaya has fully integrated IP Multicast
into the Fabric Connect technology as
part of its extended implementation
of the Shortest Path Bridging (SPB)
standard. SPB is the next-generation
control protocol for Ethernet and has
been jointly standardized by both the
IEEE and the IETF. The advantage of
Fabric Connect with integrated
Multicast support over traditional
approaches is the absolute simplicity
in provisioning, deploying,
maintaining, and scaling the solution.
Because there is only one control
plane protocol for all traffic types and
services, network convergence is sub-
second, even in the event of network
failures. Conventional solutions that
rely on layers of interdependent
protocols suffer from this burden of
complexity and interoperability;
convergence may require tens of
seconds or even minutes. The fully
integrated approach championed by
Avaya delivers reduced operational
costs and increased uptime
performance, scalability, and security.
Educational Benefits
“All of these operational
improvements revolve around pushing
our curriculum delivery well into the
21st century, doing more and more
things online,” comments Bartay. “For
us, it’s an evolutionary process in
which we encourage the educators to
tell us what they need and how we can
support them. We also provide ideas
about what’s possible, so they can vet
new technologies in the classroom, to
see if they are worth pursuing. It’s a
give-and-take approach that holds
tremendous potential for the future.”
The District is now actively involved in
the adoption of online textbooks and
other materials, primarily because
they engage students on an
interactive basis. Online materials can
be updated rapidly versus print
media. The District is actively
proposing online textbook adoptions
for science and math – with estimated
cost savings running between 25 and
50 percent, based on various
balances of online and print materials.
For example, one specific elementary
school math estimate showed a 37
percent cost reduction for a
curriculum transition to approximately
60 percent of the materials being
delivered online versus print.
Safely Enabling Mobility
and a Widespread
BYOD Environment
To optimize the explosion of mobility
and BYOD requirements, Pearland
ISD deployed the Identity Engines
Ignition®
Server in High Availability,
Identity Engines Ignition®
Guest
Manager, and dentity Engines
Ignition®
Access Portal. The Identity
Engines suite helps to ensure that all
users can connect seamlessly and
efficiently to their applications,
regardless of where they are within
range of the District facilities, when
they are connecting, and on what
device they are connecting. With the
Avaya single architecture and a single
network protocol, the district can
deliver secure BYOD, seamless voice,
and IPTV to their teachers and
students on a flexible, extensible,
virtualized network with the ability to
manage and control three different
network paths independently.
“Identity Engines is a phenomenal
tool,” Bartay says. “It enables us to
open the network safely for mobility
and to create a true BYOD
environment in all our schools. The
administrator can easily manage
where individual devices are allowed
to go through an automated machine
authentication process. We actually
have three different network paths,
based on whether the device is in our
domain, whether their credentials are
in the active directory, or whether
they simply have guest credentials.
Yet at the front end, to the user, it all
appears to be one single network.”
The Identity Engines Ignition® Server
provides a central policy decision
point that
• streamlines access management
• improves security
• generates reports
• enables network administrators to
apply organizational policies
• helps ensure that regulatory
security compliance standards are
met
Identity Engines Ignition®
Guest
Manager controls guest and visitor
network access across wired and
wireless access points. It enables the
administrator to apply granular
authorizations so guests can access
only specified network resources.
Identity Engines and the strength of
the network have enhanced the
district’s use of their Learning
Management System. This allows
students to use any kind of device in
the classroom, log into the system,
become interactive with each other
and the teacher, collaborate on
projects, and participate in a wide
range of other activities at school and
at home.
“Identity Engines is a
phenomenal tool. It
enables us to open the
network safely for
mobility and to create a
true BYOD environment
in all our schools.”
—Greg Bartay,
Director of Technology
One of three high schools in the Pearland
Independent School District, the Turner College
and Career High School opened in fall 2013.