Search results
Results from the WOW.Com Content Network
N-tier architecture is a good fit for small and simple applications because of its simplicity and low-cost. Also, it can be a good starting point when architectural requirements are not clear yet. [1] [2] A three-tier architecture is typically composed of a presentation tier, a logic tier, and a data tier.
N 2 chart example. [1] The N 2 chart or N 2 diagram (pronounced "en-two" or "en-squared") is a chart or diagram in the shape of a matrix, representing functional or physical interfaces between system elements. It is used to systematically identify, define, tabulate, design, and analyze functional and physical interfaces.
Code diagrams (level 4): provide additional details about the design of the architectural elements that can be mapped to code. The C4 model relies at this level on existing notations such as Unified Modelling Language (UML) , Entity Relation Diagrams (ERD) or diagrams generated by Integrated Development Environments (IDE) .
For instance, in a three-tier architecture, a system is divided into three main layers – typically the presentation, business, and data tiers. This approach has the benefit that by dividing a system into layers, the functionality implemented in one of the layers can be changed independently of the other layers.
Software architecture is the set of structures needed to reason about a software system and the discipline of creating such structures and systems. Each structure comprises software elements, relations among them, and properties of both elements and relations.
Archi is a free and open-source visual-modelling and design tool for creating ArchiMate models and modelling sketches. Archi was initially funded between 2010 and 2012 by Jisc as part of a national project aimed at supporting a programme of Enterprise Architecture in the UK higher education sector. [1]
The earliest architecture descriptions used informal pictures and diagrams and associated text. Informal descriptions remain the most widely used representations in industry. [ 4 ] Influences on architecture description came from the areas of Software Engineering (such as data abstraction and programming in the large) and from system design ...
Examples of this architecture include BitTorrent and the bitcoin network. Another basic aspect of distributed computing architecture is the method of communicating and coordinating work among concurrent processes. Through various message passing protocols, processes may communicate directly with one another, typically in a main/sub relationship.