Logical Application System Environment Description
A logical application system environment presents a logical application system use context. It describes the interactions between the logical application system and its external partners, which allows it to fulfill its mission and ensure the expected functionalities.Example of logical application system environment
The internal logical application system "Purchase request processing" uses a logical "Delivery" application system that is external to the described environment.
Accessing the list of logical application system environments
To access the list of logical application system environments from the Business IT Alignment navigation pane:
1. Select Logical Architecture in the navigation menu.
2. Click the Logical Application System Environment tile.
The list of logical application system environments appears in the edit area.
Creating a logical application system environment
To create a logical application system environment:
1. From the Business IT Alignment navigation pane, select Logical Architecture > Logical Application System Environments.
The list of logical application system environments appears in the edit area.
2. Click New.
The Creation of Logical Application System Environment window appears.
3. Enter the Name of your application system environment and click OK.
The new logical application system environment appears in the list.
Logical application system environment properties
The Characteristics properties page for a logical application system environment provides access to:
• its Name,
• its Owner, by default during creation of a logical application system environment, the current library.
• the text of its Description.
• its Owned Realizations that represent the list of elements that the logical application system environment implements.
With HOPEX IT Architecture, a logical application system environment is described by the following pages:
• the Properties page, used to specify the properties that appear in the diagrams at the bottom of the described object frame.
For more details on other property pages proposed by HOPEX IT Architecture, see HOPEX IT Architecture properties pages content.Using the Environment Structure Diagram of a Logical Application System
With HOPEX IT Architecture, a logical application system environment is described by a structure diagram of the logical application system environment that describes the interactions between the internal logical application systems, its users and the partner logical systems.
The diagram includes:
• logical application systems that represent the logical application systems internal to the described environment.
In the example, this is the logical application system "Internet Purchasing"
A logical application system is an assembly of other application architectures, logical applications and end users, interacting with application components to implement one or several functions.• partner logical systems that represent the logical application systems external to the described environment.
In the example, this is the logical application system "Purchasing Financing"
A partner logical system is a logical application system external to the environment of the described logical application system. The partner logical system can be a service supplier or a service consumer with respect to components of the logical application system.• Org-Units and Position types that represent the user category of services provided by the environment.
• Interactions between the components representing requests for services.
An interaction represents a contract established in a specific context between autonomous entities that are internal or external to an enterprise. These entities can be enterprise org-units, applications, activities or processes, as well as external org-units. The content of this contract is described by an exchange contract.For more details, see Creating an Interaction.