All connectivity interfaces are based on standard specifications.
Reliable Messaging
One of the first attempts to deliver guaranteed and assured delivery for Web Services was
Reliable HTTP (HTTPR) from IBM. HTTPR aimed to provide reliable message delivery for
Figure 2. General three-tier architecture of FiXplan
External
Web Sites
HTML/HTTP
SOAP/HTTP
Sources Server Clients
FiXplan
WEB BROWSER
EXCEL
Web
Services
Toolbox
Financial
Applications
HTML/HTTP
SOAP/HTTP
SQL
Database
Server
SOAP/HTTP WEB BROWSER
Visual
Basic
Java
Server
Pages
FiXplan
Main
System
Java
Classes
PHP
Classes
Braun & Schm dt
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of Idea Group Inc. is prohibited.
Web Services, providing a ???send and forget??? facility through a guaranteed messaging model.
It provided guaranteed delivery because it automatically retried requests if a link or a server
was down. However, "OASIS WS-Reliability and WS-ReliableMessaging proposed by IBM,
BEA, TIBCO, and Microsoft (submitted to the W3C) are the new competing protocols for
reliable messaging" (Watters, 2005, p.24).
At the client side, the Web browser and PHP-scripts handle the user interface and the
presentation logic.
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