![](bg7.png)
easily retrieve the container from anywhere to
broadcast or change parameters through the
broadcasting module implemented into the
broadcasting console program. This module
contains the steps needed to build a chat module and
link a chat window to the designated video
broadcasted window.
4.3 Back-end Layer
This layer is a repository that stores all the data and
the containers made by modules in the front-end
layer and the middle layer. This repository is
designed and structured so that the stored scripts,
templates, or objects can be shared and reused
especially by the broadcasting group set up module
of the middle layer and the broadcasting module of
the front-end layer. When a new broadcasting group
is created, a separate container for the group is
created in this repository. In addition, when
parameters are changed in the front-end layer, these
changes are updated into the flash script stored in the
corresponding container. Most of the data in this
repository are represented by the relational data
model and built on MySQL program. The chat
content and user list of each group are also stored
into the repository, and constantly updated by the
broadcasting module of the front-end layer.
5 CONCLUSIONS
An evaluation of this framework in support of pain
management is underway. The proposed system
provides several key benefits that go beyond one
provider or one disease setting. First, the system can
provide information sharing platform with real-time
interactivity between the parties. Second, the system
design is centered around providing flexibility of
building communities or targeted markets amongst
parties based on their interests, while providing
control to the information disseminated. Third, the
portal can make expert information available in
public or in private, depending on the modalities of
operation. Because the information will be provided
by expert’s live video rather than simple blogging or
email communication, the patients or information
recipients’ satisfaction and trust will increase, as the
systems allows for two-way real-time
communication between the parties through live
chat. Besides evaluation, future work will continue
to look at leveraging the benefits of synchronous
vide communication system on a broad scale.
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