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This line graph sample shows the circuit efficiency for telecommunications. It was designed on the base of the Wikimedia Commons file: Circuit efficiency Erlang B.png. [commons.wikimedia.org/ wiki/ File:Circuit_ efficiency_ Erlang_ B.png].
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
[creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"In telecommunications systems, trunking is the aggregation of multiple user circuits into a single channel. The aggregation is achieved using some form of multiplexing. Trunking theory was developed by Agner Krarup Erlang, Erlang based his studies of the statistical nature of the arrival and the length of calls. The Erlang B formula allows for the calculation of the number of circuits required in a trunk based on the Grade of Service and the amount of traffic in Erlangs the trunk needs cater for. ...
In order to provide connectivity between all users on the network one solution is to build a full mesh network between all endpoints. A full mesh solution is however impractical, a far better approach is to provide a pool of resources that end points can make use of in order to connect to foreign exchanges. ...
The Danish mathematician Agner Krarup Erlang is the founder of teletraffic engineering. Erlang developed the fundamentals of trunking theory while investigating how a large population can be serviced by a limited number of servers. Trunking theory leverages off the statistical behaviour of users accessing the network, these characteristics discussed in the assumptions of the Erlang B equation." [Teletraffic engineering/ Trunking. Wikiversity]
The line chart example "Circuit efficiency for telecommunications" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Line Graphs solution from the Graphs and Charts area of ConceptDraw Solution Park.
Line chart
Line chart, line graph,
Used Solutions

ConceptDraw Solution Park ConceptDraw Solution Park

ConceptDraw Solution Park
ConceptDraw Solution Park collects graphic extensions, examples and learning materials

draw line graph, draw line chart Line Graphs

draw line graph, draw line chart
How to draw a Line Graph with ease? The Line Graphs solution extends the capabilities of ConceptDraw PRO v10 with professionally designed templates, samples, and a library of vector stencils for drawing perfect Line Graphs.

telecommunication networking, networking and telecommunications, telecommunications network, computer systems networking and telecommunications Telecommunication Network Diagrams

telecommunication networking, networking and telecommunications, telecommunications network, computer systems networking and telecommunications
Telecommunication Network Diagrams solution extends ConceptDraw PRO software with samples, templates, and great collection of vector stencils to help the specialists in a field of networks and telecommunications, as well as other users to create Computer systems networking and Telecommunication network diagrams for various fields, to organize the work of call centers, to design the GPRS networks and GPS navigational systems, mobile, satellite and hybrid communication networks, to construct the mobile TV networks and wireless broadband networks.

Process Flowchart

business process flowcharts, flowchart symbols, process flow diagram, workflow diagram, flowchart maker
ConceptDraw is Professional business process mapping software for making process flow diagram, workflow diagram, general flowcharts and technical illustrations for business documents. It is includes rich examples, templates, process flowchart symbols. ConceptDraw flowchart maker allows you to easier create a process flowchart. Use a variety of drawing tools, smart connectors, flowchart symbols and shape libraries to create flowcharts of complex processes, process flow diagrams, procedures and information exchange.
How To Create a Process Flow Chart (business process modelling techniques)
How To Create a Process Flow Chart (business process modelling techniques)

electric floor plan, telecom floor plan Electric and Telecom Plans

electric floor plan, telecom floor plan
This solution extends ConceptDraw PRO software with samples, templates and libraries of vector stencils for drawing the Electric and Telecom Plans.

scatter chart, scatter graph, scatter plot Scatter Diagrams

scatter chart, scatter graph, scatter plot
The Scatter Diagrams solution extends ConceptDraw PRO v10 functionality with templates, samples, and a library of vector stencils that make construction of a Scatter Plot easy. The Scatter Chart Solution makes it easy to design attractive Scatter Diagrams used in various fields of science, work, and life activities. ConceptDraw PRO lets you enter the data to the table and construct the Scatter Plot Graph automatically according to these data.

draw bar chart, draw bar graph, draw column chart Bar Graphs

draw bar chart, draw bar graph, draw column chart
The Bar Graphs solution enhances ConceptDraw PRO v10 functionality with templates, numerous professional-looking samples, and a library of vector stencils for drawing different types of Bar Graphs, such as Simple Bar Graph, Double Bar Graph, Divided Bar Graph, Horizontal Bar Graph, Vertical Bar Graph, and Column Bar Chart.

house layout, interior design, building plan Building Plans Area

house layout, interior design, building plan
The Building Plans Area collects solutions for drawing the building and site plans.

cross-functional flowchart template, flowchart, example business process flow Cross-Functional Flowcharts

cross-functional flowchart template, flowchart, example business process flow
Cross-functional flowcharts are powerful and useful tool for visualizing and analyzing complex business processes which requires involvement of multiple people, teams or even departments. They let clearly represent a sequence of the process steps, the order of operations, relationships between processes and responsible functional units (such as departments or positions).

sales dashboard, sales metrics Sales Dashboard

sales dashboard, sales metrics
Sales Dashboard solution extends ConceptDraw PRO software with templates, samples and library of vector stencils for drawing the visual dashboards of sale metrics and key performance indicators (KPI).

pvc pipe furniture plans, pvc pipe plans, plumbing plans examples, How to read plumbing plans? plumbing floor plan, plumbing layout plan, half pipe plans, pipe bender plans, plumbing plan symbols Plumbing and Piping Plans

pvc pipe furniture plans, pvc pipe plans, plumbing plans examples, How to read plumbing plans? plumbing floor plan, plumbing layout plan, half pipe plans, pipe bender plans, plumbing plan symbols
Plumbing and Piping Plans solution extends ConceptDraw PRO v10.2.2 software with samples, templates and libraries of pipes, plumbing, and valves design elements for developing of water and plumbing systems, and for drawing Plumbing plan, Piping plan, PVC Pipe plan, PVC Pipe furniture plan, Plumbing layout plan, Plumbing floor plan, Half pipe plans, Pipe bender plans.

draw picture graph, draw picture chart, image chart, pictorial chart Picture Graphs

draw picture graph, draw picture chart, image chart, pictorial chart
Typically, a Picture Graph has very broad usage. They many times used successfully in marketing, management, and manufacturing. The Picture Graphs Solution extends the capabilities of ConceptDraw PRO v10 with templates, samples, and a library of professionally developed vector stencils for designing Picture Graphs.

bubble chart, bubble chart creator, bubble diagram Bubble Diagrams

bubble chart, bubble chart creator, bubble diagram
Bubble diagrams have enjoyed great success in software engineering, architecture, economics, medicine, landscape design, scientific and educational process, for ideas organization during brainstorming, for making business illustrations, presentations, planning, design, and strategy development. They are popular because of their simplicity and their powerful visual communication attributes.

computer networks Computer and Networks Area

computer networks
The solutions from Computer and Networks Area of ConceptDraw Solution Park collect samples, templates and vector stencils libraries for drawing computer and network diagrams, schemes and technical drawings.
▸ ConceptDraw Solution Park ▸ Computers and Communications ▸
▸ ConceptDraw Solution Park ▸ Computer Network Diagrams ▸
▸ ConceptDraw Solution Park ▸ Wireless Networks ▸
▸ ConceptDraw Solution Park ▸ Comparison Dashboard ▸
▸ ConceptDraw Solution Park ▸ Pie Charts ▸
▸ ConceptDraw Solution Park ▸ Cisco Network Diagrams ▸
▸ ConceptDraw Solution Park ▸ Event-driven Process Chain Diagrams EPC ▸
▸ ConceptDraw Solution Park ▸ Picture Graphs ▸
▸ ConceptDraw Solution Park ▸ Bar Graphs ▸
▸ ConceptDraw Solution Park ▸ Area Charts ▸
▸ ConceptDraw Solution Park ▸ Divided Bar Diagrams ▸
▸ ConceptDraw Solution Park ▸ Line Graphs ▸
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