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Extra
II
EXTRA II replaces the former National Express mainframe booking system and forms a centralised server which may be accessed via many existing and future client systems. These currently include: Viewdata, SMART PC and Internet booking systems.
The primary intention
in rewriting the existing EXTRA reservation system to operate within
a HP UNIX environment using an Oracle database was to allow the migration
of the service from VME at Feltham to the GXS Super Centre in the
Netherlands. Additional functionality and considerable performance
improvements were also obtained.
EXTRA
II was developed using industry standard tools and components and
thus represents a solid, future-proof investment for National Express. Cybertron
played a major role in the functional and system specifications, database
design, UNIX architecture design, programming, testing and migration
of data from a previous Extra mainframe application (EXTRA I).
Cybertron have provided 24 by 7 support for EXTRA II since it went live in October 1998. Since that date the application has been running continuously with a total unplanned down-time of only 45 minutes. We have also been involved with the development of several enhancements to the application and are currently working on the new web based front-end described below. EXTRA
II Web Interface
The
EXTRA II web portal will run on a secured server based at the GXS
Super Centre in the Netherlands, and will utilise Apache web server
software. The
pages will be dynamically generated depending on the operation being
performed and the type of agent using the system. Embedded JavaScript
has been used to make data entry more efficient and fluid.
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