 Co*STAR
.NET
Clearview's Co*STAR .NET product consists of server side
components and development tools to convert your Enterprise Application
screens into pure HTML -- a process known as Host-to-HTML.
Designing your new interface is as easy as point-and-click;
allowing non-developers, such as project managers and Web designers,
to create a Web portal to their application software. Co*STAR
.NET includes a Screen Designer tool that automatically
generates the necessary HTML code based on the attributes of the
legacy screen. You can then customize your screens by adding, moving,
or deleting information. For example, you might want to display
only select portions of a screen and disable functionality such
as adding or deleting information. Please see the sample
screen capture for an example.
- No changes to the Enterprise Application software is required
- No software needs to be downloaded or installed on the client
- Compatible with non-Windows clients
- Proprietary and non-relevant information can be removed from
the Web presentation
- Non-programmers can create the Web pages
- Generated Web pages can be modified and enhanced without affecting
the underlying interfaces
HTML screens are integrated using Microsoft's ASP.NET platform
and the code-behind model – that is, the business logic to
control data entry, flow, and validation within the page is separated
from the actual HTML loaded within the client’s browser. The
benefit is that once the HTML page is generated, a Web designer
can augment or redesign the page without affecting the underlying
interfaces. Cascading Style Sheets (CSS) can also be applied to
provide a unified look-and-feel to all generated pages.
When your application screen is delivered to the client’s
browser, it is rendered using 100% HTML and JavaScript code; there
are no Java or ActiveX components that need to be downloaded. This
approach has several advantages:
- No software needs to be installed on the client PC
- Compatible with contemporary browsers
- Performance is comparable with any other Web page
- Screens can be enhanced with images, audio, movies, links,
etc.
Co*STAR .NET was designed to be both robust, and most importantly,
secure.
- Security is never compromised since the clients never connect
your host application server directly -- all interaction is limited
to the browser.
- Communication to the host application server is managed by a
Co*STAR session, residing behind your firewall, which the user
cannot access.
- All communication is performed using well-known browser ports.
You do not need to open up any additional ports on your firewall.
- You may choose to transmit all, or part, of the session using
HTTPS and the Secure Sockets Layer (SSL), or any other encryption
protocol that is appropriate.
- You control what information the client sees as well as what
actions they can perform.
- Authenticate users using an independent database. You do not
need to supply outside users with usernames and passwords to log
into your host application server. Once a user has been authenticated,
Co*STAR. NET will perform the actual login to the host;
the client never sees the host username and password.
- Session information is maintained and optionally recorded to
a log file for each client connection. Inactive sessions can be
automatically terminated after a specified duration.
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