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"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.
AWS architecture diagram
AWS architecture diagram, region, instance, hosted zone, email notification, elastic load balancer, bucket, availability zone, auto scaling group, RDS DB instance standby, Multi-AZ, RDS DB instance, Instance with CloudWatch, ElastiCache, DynamoDB, Cloudfront, Amazon SES,
Used Solutions
"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.
AWS architecture diagram
AWS architecture diagram, region, instance, hosted zone, email notification, elastic load balancer, bucket, availability zone, auto scaling group, RDS DB instance standby, Multi-AZ, RDS DB instance, Instance with CloudWatch, ElastiCache, DynamoDB, Cloudfront, Amazon SES,
Used Solutions

Best Multi-Platform Diagram Software

ConceptDraw DIAGRAM is a powerful tool for drawing business communication ideas and concepts, simple visual presentation of numerical data in the Mac environment.

Cloud Computing Architecture

The Cloud Computing Architecture is the structure of the system, which is based on the needs of end-user and includes the set of components and subcomponents required for cloud computing, among them cloud resources, services, middleware, software components, front-end platforms (cloud clients), cloud-based back end platforms (servers, storage), and a network (Internet, Intranet, Intercloud). When designing the Cloud Computing Architecture diagrams, the ConceptDraw DIAGRAM diagramming and vector drawing software advises to turn attention for the powerful Cloud Computing Diagrams solution from the extensive Computers and Network area of ConceptDraw Solution Park.

Wireframe Examples

ConceptDraw DIAGRAM is a powerful diagramming and vector drawing software. Extended with Website Wireframe solution from the Software Development area, ConceptDraw DIAGRAM became the ideal software for prototype and design professional looking websites wireframes. Website Wireframe solution offers at your disposal wide variety of wireframe examples and samples which confirm this.

Microsoft Azure

Microsoft Azure is widely used cloud platform which was created by Microsoft and now is managed by Microsoft datacenters in 19 regions of the world, and has a wide set of benefits and features. ConceptDraw DIAGRAM diagramming and vector drawing software extended with Azure Architecture Solution from the Computer and Networks area of ConceptDraw Solution Park is the best for designing various pictorial infographics, illustrations and materials showing the possibilities and work of Microsoft Azure Cloud System and Azure services.

microsoft azure, windows azure, azure management, azure storage, azure blob storage, azure services Azure Architecture

microsoft azure, windows azure, azure management, azure storage, azure blob storage, azure services
Azure Architecture solution bundles into one handy tool everything you need to create effective Azure Architecture diagrams. It adds the extra value to versatile ConceptDraw DIAGRAM software and extends the users capabilities with comprehensive collection of Microsoft Azure themed graphics, logos, preset templates, wide array of predesigned vector symbols that covers the subjects such as Azure management, Azure storage, and Azure services, amongst others, and allow you to illustrate Azure Architecture diagrams at any degree of complexity, to present visually your Azure cloud system architecture with professional style, to design Azure cloud topology, to document Windows Azure Architecture and Azure Cloud System Architecture, to visualize the great abilities and work of Microsoft Azure Cloud System and Azure services.

ConceptDraw DIAGRAM - Organizational chart software

Organizational Chart is a scheme which visualizes the composition of departments, sectors and other functional units of an organization, and also fixed relationships that exist between divisions and employees. ConceptDraw DIAGRAM enhanced with Organizational Charts solution is a powerful and cost effective Organizational chart software, which allows to automate the process of creation the high standard organizational charts, flow charts, time lines, and much more diagrams. It can be applied for analyzing organizational structure and drawing single or multi-page Organizational Charts with hyperlinks for the companies of any type, size and direction. Visualize the structure using the orgchartal tools, create easily as never before the Company Organizational Chart, Corporate Organizational Chart, Hospital Organizational Chart, University Organizational Chart, Hotel Organizational Chart, and then export, send by e-mail or publish it on Web in minutes, to communicate and discuss with colleagues or any other interested people.

Network Diagram Software IVR Services

Interactive Voice Response (IVR) Services

Flow Chart Online

Flow Chart is a great visualization tool for the flow of a process, algorithm or procedure with a lot of benefits. It is convenient to use a powerful software for creating flow charts. Now we have the best flow chart maker online design software - ConceptDraw DIAGRAM enhanced with Flowcharts Solution from the "Diagrams" Area of ConceptDraw Solution Park.