What is deployment?

What Does deployment Mean

Deployment is the action and effect of deploying . This verb refers to unfolding or extending what is folded ; to exercise or carry out an activity; to manifest a quality; or to set up an exhibition or demonstration.

For example: "Few concerts have had a display of these characteristics" , "The deployment of the army scared the population" , "The visiting team surprised with its deployment throughout the playing field" .
Unfold, therefore, is the opposite action of folding (folding). Suppose a person buys a curtain for his home that is folded inside a bag. In order to hang it from your pole, you will need to unfold it (that is, remove it from its packaging and stretch it so that it no longer has creases).

In sports , deployment is often associated with the ability of a player or team to alternately occupy different positions on the field . The deployment can also refer to showing qualities: "Nadal showed off with a display of offensive blows that cornered his rival" , "Messi was the best player on the field thanks to his deployment . "
In a military context, deployment consists of the advance of the different columns of an army to occupy positions linked to a combat order. The deployment may involve the displacement of soldiers, weapons and vehicles so that the forces are prepared to attack the enemy: "The president has ordered the deployment of the army to repel an eventual invasion" , "We are not scared by the deployment of tanks: we are willing to defend the territory ” .
A diagram class that uses the Unified Modeling Language to shape the material arrangement of artifacts in nodes is known as a display diagram . An artifact is understood, in this context, to the specification of a physical data that uses or generates a software development process, or is produced by the deployment and operation of a system.
When describing a website, for example, a deployment diagram shows the hardware components that make it up (such as web, application, and database servers), the software components that run on each site. node (the aforementioned nodes , which can be the database and a web application, for example) and the way in which the different parts are connected to each other.
In the display diagram, nodes are represented by squares containing smaller ones, symbolizing the artifacts assigned to the former. In turn, the nodes can have subnodes, which are nested as squares of smaller size within those with a higher hierarchy; a single node can represent multiple physical nodes in a single deployment diagram, which is the case with a group of database servers .

Two types of nodes are recognized in the deployment diagram, which are: device node , physical computing resources that use memory, and services to run programs (some common examples of this type of node are computers and mobile phones) ; runtime node , a computing resource that runs within an external node and that provides a service to host and run other pieces of software.
Deployment diagrams can be used for modeling: embedded systems , a set of devices that run a large number of programs to interact with the physical world; client-server systems , focus on connecting a client network to a series of servers; Fully distributed systems have several levels of servers and must be prepared so that their topology can be continuously modified.

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