HOPEX IT Architecture V2 > Architecture Specification > Using service catalogs > Introducing service catalogs > Implementation of a service catalog
Implementation of a service catalog
In HOPEX IT Architecture V2, a service catalog is made up of service catalog item. For example, an information service catalog is made up of several information service catalog items.
*An information service catalog provides a centralized information source for the information services offered by the service provider organization. It contains a customer-oriented view of the information services used, how they are supposed to be used, the processes that they support as well as the expected service quality level. The information service catalog presents the list of functionalities mentioned as well as implementation recommendations.
*An information service catalog item defines which functionality is in the catalog and which application artifacts provide the functionality.
A service catalog item is connected to one or more functionalities.
*A functionality is a service required by an org-unit in order to perform its work. This functionality is generally necessary within an activity in order to execute a specific operation. If it is a software functionality, it can be provided by an application.
With HOPEX IT Architecture V2, the implementation of a functionality is represented by an Implementation.
*An implementation describes the relationship between a logical entity and a physical entity that implements it. The physical entity gives the list of logical entities that it implements.
The table below draws up the summary of objects that implement the service catalogs according to their category.
 
Type of service catalog
Type of functionality
Types of object that deliver the service
Business
Features
Business capability
Information
Features
All types of technical and functional objects that implement a functionality with HOPEX IT Architecture V2. For more details, see Describing a Functionality Map with HOPEX IT Architecture V2.
Technical
Technical functionalities
All types of technical objects implement a functionality with HOPEX IT Architecture V2 : technical infrastructures, equipement and IT infrastructures, micro services, technical zones, all IT equipment (servers, networks, devices).
hardware
Hardware functionalities
Hardware and IoT Device.