Cloud computing is being adopted by commercial, government, and
Department of Defense (DoD) organizations, driven by a need to reduce
the operational cost of their information technology (IT) resources.
From an engineering perspective, cloud computing is a distributed
that focuses on providing a wide range of users with distributed access
to virtualized hardware and/or software infrastructure over the
Internet. From a business perspective, it is the availability of
computing resources that are scalable and billed on a usage basis as
opposed to acquired, which leads to potential cost savings in IT
infrastructure. From a software architecture perspective, what this
means is that some elements of the software system will be outside the
organization, and the control over these elements depends on technical
aspects such as the provided resource interface, to business aspects
such as the service-level agreement (SLA) with the resource provider.
Therefore, systems will have to be designed and architected to account
for lack of full control over important quality attributes.
This presentation will briefly define cloud computing, the different
types of cloud computing environments, and drivers and barriers for
cloud computing adoption. It will also focus on examples of architecture
and design decisions in the cloud such as data location and
synchronization, user authentication models, and multi-tenancy support.
About the Speaker
Grace Lewis is a senior member of the technical staff at the SEI in the
Research, Technology, and System Solutions (RTSS) Program. Her current
interests and projects are in service-oriented architecture (SOA), cloud
computing, and context-aware mobile applications. Her latest
publications include multiple reports and articles on these subjects and
a book in the SEI Software Engineering Series. She is also a member of
the technical faculty for the Master in Software Engineering Program at
Carnegie Mellon University (CMU). Grace holds a Bachelor of Science in
Systems Engineering and an Executive Master of Business Administration
from Icesi University in Cali, Colombia; and a Master of Science in
Software Engineering from CMU.