{"id":4500,"date":"2023-04-03T06:37:51","date_gmt":"2023-04-03T05:37:51","guid":{"rendered":"https:\/\/www.architecturemaker.com\/?p=4500"},"modified":"2023-04-03T06:37:51","modified_gmt":"2023-04-03T05:37:51","slug":"what-is-high-level-architecture","status":"publish","type":"post","link":"https:\/\/www.architecturemaker.com\/what-is-high-level-architecture\/","title":{"rendered":"What is high level architecture?"},"content":{"rendered":"

As its name suggests, high-level architecture deals with the “big picture” of a system. It establishes the overall structure of the system and how its major parts will work together. High-level architecture is also sometimes called “systems architecture.”<\/p>\n

The high level architecture is the highest level of abstraction in a given system. It defines the overall structure of the system and the relationships between the different components.<\/p>\n

What is high level architecture design? <\/h2>\n

The high-level design defines the project level architecture of the system. This architecture defines the sub-systems to be built, internal and external interfaces to be developed, and interface standards identified. The high level design is where the sub-system requirements are developed.<\/p>\n

Architecture focuses on the environment level while high-level design focuses on the application level. This division of responsibilities ensures that each area is given the attention it needs to be successful.<\/p>\n

What is high level architecture for a website <\/h3>\n
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The high-level design (HLD) explains the architecture that would be used to develop a system. The architecture diagram provides an overview of an entire system, identifying the main components that would be developed for the product and their interfaces.<\/p>\n

The HLA specification does not define the layout of data packets, but instead defines a set of API functionality that applications use. The RTI is what implements the API. HLA federates publish data according to a FOM (Federation Object Model) which defines what the data in a simulation represents.<\/p>\n

What are examples of HLD? <\/h2>\n

HLD, or high-level design, is a process of translating a business plan or other high-level document into a software product or service. This process usually begins with a review of the business plan, followed by a series of meetings or other interactions with stakeholders to understand their needs. Once the needs are understood, the HLD team develops a software architecture that meets those needs. This process can be represented by a series of documents, flowcharts, or other models.<\/p>\n

The three levels present in this architecture are Physical level, Conceptual level and External level.<\/p>\n

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The physical level is the level at which the physical components of the system are modeled. This includes the hardware, the software, the databases and the networks.<\/p>\n

The conceptual level is the level at which the data is modeled. This includes the data structures and the relationships between them.<\/p>\n

The external level is the level at which the system is viewed by the users. This includes the user interface and the reports.<\/p>\n

What belongs to high level design? <\/h2>\n

HLD is a process of decomposing the system into modules at different levels of abstraction. The purpose of HLD is to provide a detailed description of the system structure, components, interfaces, and behavior. It is also used to identify the major subsystems and their relationship.<\/p>\n

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An HLD is important because it provides a number of benefits to those involved in a project. Stakeholders can use an HLD to get a better understanding of the work that will be completed, and it can also help with making high-level estimates. A well-designed HLD can also help to document the design of a project, which can be invaluable if there are any changes or modifications that need to be made.<\/p>\n

What are the levels of architecture <\/h3>\n

The three levels of architecture are strategic, tactical, and solution. <\/p>\n

Strategic architecture defines the long-term vision for an organization and is typically designed for a timeframe of 3-5 years. <\/p>\n

Tactical architecture focuses on the mid-term and is typically designed for a timeframe of 1-2 years. <\/p>\n

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Solution architecture is the shortest-term level of architecture and is typically designed for a timeframe of 6-12 months.<\/p>\n

The three most common types of web app architecture are legacy HTML, widget, and single page apps. Legacy HTML web apps are the most widespread type and are based on a user receiving the entire HTML on request. Widget web apps are single page apps that are designed to be embedded in other web pages. Single page apps are web apps that are based on a single HTML page that is loaded once and then subsequent interactions are based on AJAX calls.