Defining the technical infrastructure
Describing the technical infrastructure helps to design deployable application and data packages to prepare their deployment.
Technical infrastructure elements are identified and characterized by technologies and hosted IT services.
With HOPEX IT Architecture the infrastructure can be described in a bottom-up approach, from the most detailed to the most conceptual, or top-down, from the most conceptual to the most detailed. Presentation of these functionalities is based on the example of a call center.
Resource Architecture Environment Diagram
A business architecture environment represents the relationships of a business functional area with its partners.The following diagram describes the environment of a support center.
The call center responds to customer requests. It is based on an external service to fulfill any purchasing requests.
For more details, see Describing IT Infrastructures.Describing Resource Architectures
The Resource Architecture Assembly Diagram describes the hardware and organizational resources required for handling service requests.
For more details, see Describing Resource Architectures.In the call center example, we consider only the operator and the IT infrastructure that represents its equipment.
A team of operators handles all requests, whatever their nature, by telephone or by e-mail.
The operator identifies the caller, records the request, applies a first filter (in case of error) and if necessary records a purchasing request via request points.
This diagram contains a Request Point from which the operators make purchasing requests.
A request point is a point of exchange by which an agent requests a service from potential suppliers.IT infrastructure assembly structure diagram
This diagram presents an IT infrastructure. It contains Infrastructure IT component such as: computers or IT equipments.
For more details, see Describing IT Infrastructures.
The basic hardware architecture of a call center includes two link points to the outside: a telephone link, a link to a private network that enables the HTTP link for the purchasing request.
Note that the Communication Protocols used are specified on the communication channels.
A communication protocol is a set of standardized rules for transmission of information (voice, data, images) on a communication channel. The different layers of protocols can handle the detection and processing of errors, authentication of correspondents, management of routing.Computing Device Assembly Diagram
The computing device assembly diagram presented below describes the software technologies, the deployable application packages and IT devices installed on a standard PC.
For more details, see Describing IT Devices.
Computing device assembly diagram of a standard PC.
A standard PC is equipped with office system applications and electronic mail applications.
A standard PC also has an HTTP connection to access Web applications to manage purchase requests.