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"A server is a system (software and suitable computer hardware) that responds to requests across a computer network to provide, or help to provide, a network service. Servers can be run on a dedicated computer, which is also often referred to as "the server", but many networked computers are capable of hosting servers. In many cases, a computer can provide several services and have several servers running.
Servers operate within a client-server architecture. Servers are computer programs running to serve the requests of other programs, the clients. Thus, the server performs some tasks on behalf of clients. The clients typically connect to the server through the network but may run on the same computer. In the context of Internet Protocol (IP) networking, a server is a program that operates as a socket listener.
Servers often provide essential services across a network, either to private users inside a large organization or to public users via the Internet. Typical computing servers are database server, file server, mail server, print server, web server, gaming server, application server, or some other kind of server.
Numerous systems use this client / server networking model including Web sites and email services. An alternative model, peer-to-peer networking enables all computers to act as either a server or client as needed." [Server (computing). Wikipedia]
The UML component diagram example "Start server" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Rapid UML solution from the Software Development area of ConceptDraw Solution Park.
UML component diagram
UML component diagram, list of required and provided interfaces, fragment,
The vector stencils library "UML use case diagrams" contains 25 symbols for the ConceptDraw PRO diagramming and vector drawing software.
"Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions (use cases) that some system or systems (subject) should or can perform in collaboration with one or more external users of the system (actors). Each use case should provide some observable and valuable result to the actors or other stakeholders of the system. ...
Use case diagrams are in fact twofold - they are both behavior diagrams, because they describe behavior of the system, and they are also structure diagrams - as a special case of class diagrams where classifiers are restricted to be either actors or use cases related to each other with associations. ...
Use case is usually shown as an ellipse containing the name of the use case. ...
Name of the use case could also be placed below the ellipse. ...
If a subject (or system boundary) is displayed, the use case ellipse is visually located inside the system boundary rectangle. Note, that this does not necessarily mean that the subject classifier owns the contained use cases, but merely that the use case applies to that classifier. ...
A list of use case properties - operations and attributes - could be shown in a compartment within the use case oval below the use case name. ...
Use case with extension points may be listed in a compartment of the use case with the heading extension points. ...
A use case can also be shown using the standard rectangle notation for classifiers with an ellipse icon in the upper right-hand corner of the rectangle and with optional separate list compartments for its features. ...
Subject (sometimes called a system boundary) is presented by a rectangle with subject's name, associated keywords and stereotypes in the upper left corner. Use cases applicable to the subject are located inside the rectangle and actors - outside of the system boundary. ...
Standard UML notation for actor is "stick man" icon with the name of the actor above or below of the icon. Actor names should follow the capitalization and punctuation guidelines for classes. The names of abstract actors should be shown in italics. ...
Custom icons that convey the kind of actor may also be used to denote an actor, such as using a separate icon(s) for non-human actors. ...
An actor may also be shown as a class rectangle with the standard keyword «actor», having usual notation for class compartments ...
An actor can only have binary associations to use cases, components, and classes. ...
An association between an actor and a use case indicates that the actor and the use case somehow interact or communicate with each other.
Only binary associations are allowed between actors and use cases.
An actor could be associated to one or several use cases. ...
A use case may have one or several associated actors." [uml-diagrams.org/ use-case-diagrams.html]
The example "Design elements - UML use case diagrams" is included in the Rapid UML solution from the Software Development area of ConceptDraw Solution Park.
UML use case diagram symbols
UML use case diagram symbols, use case, system boundary, package, note, interface, frame, fragment, actor,

Microreports, calendars, project management, project, project to-do lists, project checklists, solution park PM Personal Time Management

Microreports, calendars, project management, project, project to-do lists, project checklists, solution park
This solution extends all ConceptDraw Office 2.0 products providing every project participant with a track timeframe, workspace and role in a project with the help of Microreports, calendars, and to-do lists.
HelpDesk

How to Draw a Gantt Chart Using ConceptDraw PRO

A Gantt chart is intended to provide a visualization of a project schedule. It is developed to help planning, coordinating, and tracking on project tasks implementation. One of the most critical resources for a project implementation is a time resources. Gantt chart - is one of the most convenient and popular way of graphical representation of a project tasks progress in conjunction with the corresponding time consumption. Gantt chart's function is to show project tasks completion in a progress, and to make a project manager sure that project tasks were completed on time. ConceptDraw Office is a clear and easy-to-use tool for project management. It is a very handy visual tool that helps make a project processing clear.
"A schedule or timetable is a basic time management tool consisting of a list of times at which possible tasks, events, or actions are intended to take place, or a sequence of events in the chronological order in which such things are intended to take place. The process of creating a schedule - deciding how to order these tasks and how to commit resources between the variety of possible tasks - is called scheduling, and a person responsible for making a particular schedule may be called a scheduler. Making and following schedules is a fundamental human activity, and learning to do these things effectively is one of the most basic life skills. There are a wide variety of situations in which schedules are necessary, or at least useful.
Schedules are useful for both short periods, such as a daily or weekly schedule, and for long term planning with respect to periods of several months or years. They are often made using a calendar, where the person making the schedule can note the dates and times at which various events are planned to occur. Schedules that do not set forth specific times for events to occur may instead list an expected order in which events either can or must take place." [Schedule. Wikipedia]
The UML sequence diagram example "Checking process" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Rapid UML solution from the Software Development area of ConceptDraw Solution Park.
UML sequence diagram
UML sequence diagram, lifeline, actor, lifeline, execution occurrence,

project, planning, mind mapping, project plan, project management tool, solution park PM Easy

project, planning, mind mapping, project plan, project management tool, solution park
This solution extends ConceptDraw PROJECT software with the ability to quickly start a project; it lists task relationships and dependencies to make iterative planning easy.
HelpDesk

How to Change Measurement Units in ConceptDraw Drawing

There are different units of measurement that can be used for length dimensions. When making scaled drawing we can't keep in mind just meters, centimeters, and milimeters ; we also need remember about yards, feets and inches . This is because the United States applies its own system of measurement units, while the rest of the world employs metric measurement units. ConceptDraw PRO enables choosing the most suitable units of measurement with just one click.

Software development with ConceptDraw Products

Internet solutions on ConceptDraw base. What may interest developers of Internet solutions.
HelpDesk

How to Work with Custom Properties

ConceptDraw PRO can store additional, user-defined data that can be assigned to a particular shape. This data is stored in the Custom Properties options.

entity-relationship diagram, ER-diagram, database ERD Entity-Relationship Diagram (ERD)

entity-relationship diagram, ER-diagram, database ERD
Entity-Relationship Diagram (ERD) solution extends ConceptDraw PRO software with templates, samples and libraries of vector stencils from drawing the ER-diagrams by Chen's and crow’s foot notations.