1. Case Study
Compuware Gomez Leverages
the Cloud for Web Load Testing
Case Study Highlights “What we get from OpSource is infrastructure on demand, where
we simply pay for what we need. OpSource was very good at
• Gomez Web Load Testing service
gives organizations the ability
helping us get started. They provided knowledgeable support
to proactively find and resolve and good documentation; and whenever there were hurdles, they
web and mobile application bent over backwards to help us through it.”
performance, availability and
quality problems quickly, Colin Mason
Web Load Testing Product Manager,
and accurately. Compuware APM
• Challenge: Expand load testing
capacity to meet client demand Compuware Gomez On-demand Web Load and
for increasingly larger load Performance Testing
volumes and diversity of cloud Compuware Corporation, the technology performance company,
providers and datacenter provides software, experts, and best practices to make the world’s most
locations. important technologies perform at their best for leading organizations
worldwide, including 46 of the top 50 Fortune 500 companies and 12 of
• Solution: Gomez leveraged the the top 20 most visited U.S. websites.
OpSource Cloud to generate
large volumes of load testing Among Compuware’s application performance management (APM)
traffic and provide an alternate offerings is Gomez Web Load Testing, an easy-to-use, on-demand
choice of cloud provider to performance testing solution built to ensure the success of critical web
their clients. and mobile business initiatives. Unlike other website monitoring and
• OpSource was selected as testing solutions that don’t realistically simulate load from the end users’
a cloud hosting provider perspective, Gomez Web Load Testing generates scalable, high-volume,
based on pricing, scalability, data center-based and real-world load from thousands of Gomez
responsiveness and technical Last Mile desktops around the globe. The result is the most accurate
expertise. measurement of response times and end-user experience under load.
Gomez Web Load Testing enables organizations to deploy new web and
mobile initiatives with confidence, and identify and resolve issues before
end-users do. Gomez clients use Web Load Testing when:
© 2011 OpSource, Inc. All rights reserved.

2. COMPUWARE GOMEZ LEVERAGES THE CLOUD FOR WEB LOAD TESTING
• Launching marketing and sales As Gomez’s business grew, so
campaigns did the demand for load volume.
• Rolling out new web and mobile “We test some of the biggest
sites, applications and features web applications on the planet,”
• Planning for seasonal and says Mason. “No single cloud
holiday spikes in web traffic vendor has enough volume and
• Upgrading or implementing diversity to do the big load tests.”
virtual infrastructures At the same time, Gomez clients
• Deploying new mobile initiatives began requesting more choices
in datacenters from which to
Challenge: Meeting the launch tests to reflect regional
Growing Needs of Clients differences.
To conduct a load test, Gomez
clients go to a portal and select Solution
“OpSource’s infrastructure is
the number of virtual users, In 2008, Gomez began to search
there when we need it. It’s a
the duration of the test in for a second cloud provider
cost-effective solution, and our
hours, and the cloud provider’s that could supply the additional
clients appreciate the diversity datacenter(s) from which the volume and diversity Gomez
that having OpSource in the test will be launched. A single required to satisfy client demand.
network gives us.” load test can simulate hundreds Elastic capacity was important,
of thousands of concurrent but so was elastic pricing. “Some
Colin Mason users and up to tens of millions of the other cloud vendors billed
Web Load Testing Product Manager,
Compuware APM page views per hour. Clients are by the month. Once you turned it
charged based on the total virtual on you paid for the month, even
user hours. When scheduled, an if you only needed it for an hour.
application programming interface OpSource addressed the need for
(API) automatically loads the competitive hourly billing,”
appropriate number of agents recalls Mason.
(i.e., browsers) on a cloud
provider’s servers. Equally important for Mason
was the ability to spin the cloud
The advantage of using a provider’s machines up and down
cloud provider is that Gomez quickly through an API. “APIs are
only pays for servers that are critical to us. Without them we’d
“spun up” during the load test. need a human sitting around
“Infrastructure on demand is far waiting for a client to schedule a
more economical than building load test.”
out and managing our own
infrastructure,” says Colin Mason, After investigating nearly a
web load testing product manager dozen cloud providers, Gomez
for Compuware’s APM business. chose OpSource’s Cloud Hosting
“Amazon was the first cloud platform. OpSource had the
provider we worked with because cloud infrastructure pricing
they were the first to market with model Mason was looking for.
a viable cloud.” “What we get from OpSource is
infrastructure on demand, where
we simply pay for what we need.”
© 2011 OpSource, Inc. All rights reserved.

3. COMPUWARE GOMEZ LEVERAGES THE CLOUD FOR WEB LOAD TESTING
During the implementation stage of tests are scheduled each day.
OpSource exceeded Mason’s “Within a month of implementing
expectations. “They were very OpSource, nearly half the tests run
good at helping us get started. over our entire network were run
They provided knowledgeable using OpSource,” says Mason.
support and good documentation;
and whenever there were hurdles, OpSource has given Gomez plenty
they bent over backwards to help of room to grow. “We’ve spun
us through it. In short, they did up some pretty big capacity with
what they said they could do.” OpSource, as many as 200 virtual
machines in one datacenter with
OpSource has enabled Gomez 800 CPUs and 800 gigabytes of
to spin up and then spin down RAM,” says Mason. “OpSource
servers quickly on demand, has given us the ability to drive
ensuring that each client’s bigger load tests from more data
schedule request is met. “The centers, which directly impacts our
infrastructure is there when we bottom line.”
want it,” says Mason.
The scalability of OpSource’s
Impact: Scalability, Flexibility infrastructure has helped Gomez
Gomez’s business has soared in to gain new clients as well.
the past two years, due in part “OpSource has directly impacted
to the popularity of OpSource- our ability to close some very
driven load tests. Today, dozens large deals,” says Mason.
© 2011 OpSource, Inc. All rights reserved.

4. COMPUWARE GOMEZ LEVERAGES THE CLOUD FOR WEB LOAD TESTING
About Compuware Gomez
The Gomez platform is the industry’s leading solution for optimizing the performance, availability and
quality of web, non-web, mobile, streaming and cloud applications. Driven by end-user experience,
Gomez provides a unified view across the entire application delivery chain, from a user’s browser
or mobile device, across the Internet or a corporate WAN, in the cloud, to inside the data center,
eliminating blind spots from the First Mile to the Last Mile.
About OpSource
Founded in 2002, OpSource provides cloud and managed hosting solutions that enable businesses to
accelerate growth and scale operations while controlling costs and reducing IT infrastructure support
risks. Headquartered in Santa Clara, with operations in California, Virginia, the UK, Ireland, and India,
more than 600 enterprises, service providers and Software-as-a-Service ISVs rely on OpSource’s expertise,
experience and cloud automation technology to operate high-availability, business-critical hosting
environments. OpSource is a Dimension Data company. www.opsource.net.
Corporate Headquarters
5201 Great America Parkway, Suite 120, Santa Clara, CA 95054, 1-800-664-9973 (USA)
+353 1 661 9979 (EMEA), sales@opsource.net, www.opsource.net
© 2011 OpSource, Inc. All rights reserved.