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The service-oriented approach
to linking software systems
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and applications is transforming
the way many organizations
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share data.
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This approach improves
existing methods
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of data sharing by providing a
service layer between systems.
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Sharing data
between applications
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is a well-established principle
that works on a simple level.
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As systems expand,
the solution that
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connects two
software applications
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will often not work for a third.
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What began as a
workable system then
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locks valuable data in a silo.
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Sharing the data is still
possible but requires
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adaptations and tweaks.
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The process is laborious
and time-consuming,
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leading to bottlenecks
and overload.
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The reality of this world is
unnecessary effort expended
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in duplication of data.
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By applying a service
layer to the applications
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you wish to connect
up, data is offered out
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in a common format
for reuse elsewhere.
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The service-oriented approach
works with existing software
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systems and does not
require you to remove
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the monolithic application.
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Placement applications
reuse the links already
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made and can plug
into the service layer
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without affecting
other users of data.
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New applications can be
added to grow overall system
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architectures in the same way.
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The data in each
application is offered up
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as a service, which any other
application can consume.
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When the
service-oriented approach
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has evolved into a
system-wide architecture,
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it allows connections and
service sharing opportunities
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between organizations
nationally and globally.
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Take monitoring of student
progress, for example.
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Results are locked by a
virtual learning environment,
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but how much of that data is
shared with the management
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system that is tracking
progression against funding?
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If the motivation and commitment
of struggling students
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is not addressed, and
they decide to walk away,
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there is a direct
impact on funding.
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If the data is freed up and
shared across a system using
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a service-oriented
approach, it could
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contribute to retaining
student motivation,
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and thereby maximizing income.
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And what if across the
education community
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there was one standard
and agreed way
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to describe a course?
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It would allow
course information
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to be made available
as a consumable service
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both internally and externally.
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This is the subject of
a current project called
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exchanging course-related
information,
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or XCII, encompassing course
marketing, quality assurance,
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enrollment, and
reporting requirements.
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This service-oriented
approach enables
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aggregated organizations like
UCast to gather the standard
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and agreed descriptions of
courses from each provider.
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Comprehensive details
of approved enrollment
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opportunities are then returned
to a prospective student
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for easy and
accurate comparison.
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Amongst the research community,
it is the same principle.
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Here, the
service-oriented approach
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is enabling researchers to
work across institutions
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in virtual organizations.
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myGrid is a project that
provides a shared tool
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kit for creating experiments
by coordinating the information
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flow between distributed
resources and services.
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Workflows and query
specifications
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link together remote
and local resources
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using web service protocols.
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Workflows created
by myGrid represent
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the scientific process of
the experiments they enact,
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making them a rich resource
for scientists creating
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their own new experiments.
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The service lab to
this data enables
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users to share, reuse,
and repurpose experiments
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within the myGrid community.
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Many education and
research services
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are already developing a
service-oriented approach,
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taking their lead from
the business world
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and major software developers.
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It is in this context
that the e-Framework,
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a successful and expanding
international initiative,
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works to make sense of the
service-oriented approach
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for the education and
research community.
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The e-Framework website
identifies and describes
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the service components needed.
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It provides the blueprints
and reference examples
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for those in the community
who want to gain a greater
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understanding and knowledge
of how to implement
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a service-oriented approach.
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The e-Framework website is
thus becoming a knowledge base
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that is developing
a shared vocabulary
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and way of thinking for all
in education and research.
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00:05:02,810 --> 00:05:15,883