"A web application or web app is any application software that runs in a web browser or is created in a browser-supported programming language (such as the combination of JavaScript, HTML and CSS) and relies on a common web browser to render the application. ... Applications are usually broken into logical chunks called "tiers", where every tier is assigned a role. ...
For more complex applications, a 3-tier solution may fall short, and it may be beneficial to use an n-tiered approach, where the greatest benefit is breaking the business logic, which resides on the application tier, into a more fine-grained model. Another benefit may be adding an integration tier that separates the data tier from the rest of tiers by providing an easy-to-use interface to access the data. For example, the client data would be accessed by calling a "list_ clients()" function instead of making an SQL query directly against the client table on the database. This allows the underlying database to be replaced without making any change to the other tiers." [Web application. Wikipedia]
The AWS architecture diagram example "3-Tier Auto-scalable Web Application Architecture" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the AWS Architecture Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
For more complex applications, a 3-tier solution may fall short, and it may be beneficial to use an n-tiered approach, where the greatest benefit is breaking the business logic, which resides on the application tier, into a more fine-grained model. Another benefit may be adding an integration tier that separates the data tier from the rest of tiers by providing an easy-to-use interface to access the data. For example, the client data would be accessed by calling a "list_ clients()" function instead of making an SQL query directly against the client table on the database. This allows the underlying database to be replaced without making any change to the other tiers." [Web application. Wikipedia]
The AWS architecture diagram example "3-Tier Auto-scalable Web Application Architecture" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the AWS Architecture Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
Internet solutions with ConceptDraw PRO
ConceptDraw is a good means of visualization of information of any kind as it features powerful graphic capabilities. The conception of using ConceptDraw and open formats by the programs that work with Internet can be used for displaying any data and any structure in Internet.Interactive Voice Response Network Diagram
ConceptDraw solution Computer and Networks provides Interactive Voice Response samples, templates and library of 35 vector stencils for drawing the IVR network diagrams.Use ConceptDraw PRO diagramming and vector drawing software enhanced with solution Computer and Networks to visualize the logical and physical structure of IVR systems for inbound and outbound call centers and voice mail systems.
![](https://i1.ytimg.com/vi/h62-9iTdQp0/hqdefault.jpg)
Cisco Network Topology
Draw Cisco Network Topology and Cisco Computer Network Diagrams, Designs, Schematics, and Network Maps using ConceptDraw in no Time!Cisco Network Diagrams solution also provides 15 libraries of 508 Cisco symbols for network components and points, LAN and WAN, schematic and wiring drawings.
Network Diagram Software Topology Network
Draw Network Topology and Computer Network Diagrams, Designs, Schematics, and Network Maps using ConceptDraw in no Time!![](https://i1.ytimg.com/vi/h62-9iTdQp0/hqdefault.jpg)
Network Hubs
Special libraries of highly detailed, accurate shapes and computer graphics, servers, hubs, switches, printers, mainframes, face plates, routers etc.![](https://i1.ytimg.com/vi/h62-9iTdQp0/hqdefault.jpg)
Cisco Security. Cisco icons, shapes, stencils and symbols
The ConceptDraw vector stencils library "Cisco Security" contains 16 symbols of security devices and equipment for drawing the computer network diagrams using the ConceptDraw PRO diagramming and vector drawing software.Network Icon
ConceptDraw PRO diagramming and vector drawing software extended with Computer Network Diagrams Solution from the Computer and Networks Area offers a set of useful tools, collection of templates, samples, and libraries of various computer symbols, computer devices icons, computer network icon for fast and easy drawing network computer diagrams and illustrations.
Aerospace and Transport
This solution extends ConceptDraw PRO software with templates, samples and library of vector clipart for drawing the Aerospace and Transport Illustrations. It contains clipart of aerospace objects and transportation vehicles, office buildings and anci
Cooking Recipes
Create quick and easy recipe diagrams with the Cooking Recipes solution. Make a tasty meal for dinner, for holidays, or for a party.
Rapid UML
Rapid UML solution extends ConceptDraw PRO software with templates, samples and libraries of vector stencils for quick drawing the UML diagrams using Rapid Draw technology.
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