Single Window Systems
In the OIC Member States
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 to deliver a cost efficient and continuous level of availability;
 to provide a proactive, approach for the identification and correction of breaches in services
levels;
 and reduced duration of downtime.
Availability is critical for business and user satisfaction as it is the most visible process for outside
users. High availability requires the definition of mission-critical services and applications, which
need to be designed for high availability.
A business continuity and disaster recovery minimize the downtime of the SW IT infrastructure
and services. It also prevents loss of data and services in the event of infrastructural failure. To
reduce costs of of a mirror or hot (warm) back up site, only the critical SW services can covered
by the business continuity plan.
2. Virtualization
Use of virtualization, which is a concept that applies on services and application, storage and
networks to use the maximum resources and performance of the infrastructural components, to
enhance efficiency and dramatically reduce IT expenses. It also allows simple expansion of
additional resources. In addition, the virtualization concept is providing load balancing, security
isolation and advanced resource controls t manage the system performances.
3. Data Storage Strategy
Dividing the operational data storage (ODS), where data from multiple sources are stored and
historical data will dramatically increase the performance of the SW system.
One of the widely recommended approaches is to divide the data on a separate physical and
logical repository. When used (written off and expired) permit and certificates are considered
closed, with extract, transform, load (ETL) process the data should be pulled out from the source
repository and placing it into a data warehouse. Data warehouse will also support reporting and
analysis services of the SW.
5.1.6. Data and Business Harmonisation
Five challenges occur or relate to the data and business harmonization. The table below shows
these challenges and possible strategies and options to overcome these challenges:
Table 27: Data and Business Harmonisation - Challenges and Options
Challenges
1. Lack of Systematic Approach for Business Process and Data Mapping
The lack of use of a systematic approach to design the business processes is one of the biggest
challenges for the design and development of the SW. Many OIC Member States SWs are not or only
partially using the business process methodology to collect, map and define the workflow. In