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tion. Then, the framework needs to be extremely
flexible and extensible, so that its functionality has
to be fully exposed through public interfaces to
allow users to reach higher stage in implementa-
tion to meet their business requirements. And, it
is also important to construct massively scalable
messaging and orchestration-based applications
through scale-out architecture as well as to pro-
vide direct visibility into transactions to assure
the correct and timely access to information for
business analysts.
On the other hand, Web Services utilize the text
data called XML data for sending and receiving
data. This makes interoperability among different
OS and programming languages much easier as
text data are normally independent of OS and pro-
gramming languages. Furthermore, as XML data
allow users to add new meaning to data with tags,
it makes it easier for the receivers to comprehend
data. In contrast, Web Services send and receive
the XML data via the internet protocols such as
HTTP and SMTP for which most of organizations
had already configured their firewall setting.
Hence, they are not required to re-configure the
firewall to pass the communications protocol,
which alleviates security issues especially when
the number of partner corporation increases.
Systems are applying Web Services as one of
linking technologies to integrate systems within an
organization and utilizing the existing application
systems such as mainframes and client/server sys-
tems by wrapping them with Web Services when
developing a new application system. Improving
development productivity by utilizing ASPs that
are developed with component-based approach,
and by turning the shared business logic into Web
Services therefore can be shared among multiple
system.
ing the quality and efficiency of mobile health-
care system management. In order to improve
the quality of the mobile management system
and contribute to community transportation, it is
necessary to share information among residents,
patients, hospitals, clinics, medical institutes and
pharmacies, nursing care, welfare centers and other
related organizations. In the Ubiquitous Society,
more accurate and prompt healthcare manage-
ment and quality medical services are expected
by utilizing advanced ICT. The system will be
needed: effectively make appropriate counseling
and educational information more accessible for
the people so as to prevent them from suffering
mental and/or physical health problems that may
affect their work and life. XML Web Services
enables many people to contact and stay in close
touch with physicians and outside mental health
professionals at any moment when necessary
through network. Therefore, utilization of XML
Web Services would generate innovative ways
for the people to maintain and improve their
mental and physical health. We believe that our
proposal to apply the XML Web Services would
make a substantial contribution to the healthcare
and medical field to realize the patient-oriented
services in the Ubiquitous Society.
HTTP redirect is a convenient scheme to move
a Web browser from one web site to another, and
is widely used in identity management protocols,
including newly emerging Citizen-Centric Iden-
tity Management technologies. HTTP redirect,
however, can cause a performance bottleneck in
the identity management process. Although this
problem is already explored partially in OASIS
SAML and the Liberty Alliance Project, this paper
discusses how the approach used in them can be
enhanced from the viewpoint of user centrism.
We tested a new model to replace HTTP redirect
with server-to-server communication.
As the demand for better services increases,
our study reveals important implications to many
Internet services. We believe that our study that
incorporates the Authentication Roaming Tech-
concLusion
As expressed in the survey of the metropolis of
Tokyo, many people recognize the need of improv-
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