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In software engineering, multitier architecture is a client–server architecture in which presentation, application processing and data management functions are physically separated. The most widespread use of multitier architecture is the three-tier architecture.
Jakarta EE, formerly Java Platform, Enterprise Edition and Java 2 Platform, Enterprise Edition (J2EE), is a set of specifications, extending Java SE with specifications for enterprise features such as distributed computing and web services. Jakarta EE applications are run on reference runtimes, that can be microservices or application servers, which handle transactions, security, scalability, concurrency and management of the components it is deploying.
In computer software, business logic or domain logic is the part of the program that encodes the real-world business rules that determine how data can be created, stored, and changed. It is contrasted with the remainder of the software that might be concerned with lower-level details of managing a database or displaying the user interface, system infrastructure, or generally connecting various parts of the program.
SAP R/3 is the former name of the enterprise resource planning software produced by the German corporation SAP AG. It is an enterprise-wide information system designed to coordinate all the resources, information, and activities needed to complete business processes such as order fulfillment, billing, human resource management, and production planning.
ABAP is a high-level programming language created by the German software company SAP SE. It is currently positioned, alongside Java, as the language for programming the SAP NetWeaver Application Server, which is part of the SAP NetWeaver platform for building business applications.
A web application is application software that runs on a web browser, unlike software programs that run locally and natively on the operating system (OS) of the device. Web applications are delivered on the World Wide Web to users with an active network connection. These applications are programmed using a client–server modeled structure—the user ("client") is provided services through an off-site server that is hosted by a third-party. Examples of commonly-used web applications include: web-mail, online retail sales, online banking, and online auctions. Some web applications include the ability to run without a network connection.
In software engineering, the terms frontend and backend refer to the separation of concerns between the presentation layer (frontend), and the data access layer (backend) of a piece of software, or the physical infrastructure or hardware. In the client–server model, the client is usually considered the frontend and the server is usually considered the backend, even when some presentation work is actually done on the server itself.
SAP NetWeaver is a software stack for many of SAP SE's applications. The SAP NetWeaver Application Server, sometimes referred to as WebAS, is the runtime environment for the SAP applications and all of the mySAP Business Suite runs on SAP WebAS: supplier relationship management (SRM), customer relationship management (CRM), supply chain management (SCM), product lifecycle management (PLM), enterprise resource planning (ERP), transportation management system (TMS).
SAP GUI is the graphical user interface client in SAP ERP's 3-tier architecture of database, application server and client. It is software that runs on a Microsoft Windows, Apple Macintosh or Unix desktop, and allows a user to access SAP functionality in SAP applications such as SAP ERP and SAP Business Information Warehouse (BW). It is used for remote access to the SAP central server in a company network.
SAP NetWeaver Application Server or SAP Web Application Server is a component of SAP NetWeaver which works as a web application server for SAP products. All ABAP application servers including the message server represent the application layer of the multitier architecture of an ABAP-based SAP system. These application servers execute ABAP applications and communicate with the presentation components, the database, and also with each other, using the message server.
Mobile app development is the act or process by which a mobile app is developed for mobile devices, such as personal digital assistants, enterprise digital assistants or mobile phones. These software applications are designed to run on mobile devices, such as a smartphone or tablet computer. These applications can be pre-installed on phones during manufacturing platforms, or delivered as web applications using server-side or client-side processing to provide an "application-like" experience within a web browser. Application software developers also must consider a long array of screen sizes, hardware specifications, and configurations because of intense competition in mobile software and changes within each of the platforms. Mobile app development has been steadily growing, in revenues and jobs created. A 2013 analyst report estimates there are 529,000 direct app economy jobs within the EU then 28 members, 60 percent of which are mobile app developers.
Google Web Toolkit, or GWT Web Toolkit, is an open-source set of tools that allows web developers to create and maintain JavaScript front-end applications in Java. It is licensed under the Apache License 2.0.
SAP Composite Application Framework is a composition tool in NWDS and runtime on SAP Web Application Server Java for developing, testing, deploying, running and configuring composite applications. It is tightly integrated in the NetWeaver stack and is currently the tool of choice of SAP customers for developing an enterprise application's business logic layer, along with the pure JEE development tools provided in NWDS. The CAF IDE tool has a strong model-driven architecture approach to development, resulting in rapid development of a system 's business logic layer.
The SAP NetWeaver Development Infrastructure ("NWDI") combines the characteristics and advantages of local development environments – as usually provided in a Java environment – with a server-based development landscape that centrally provides a consistent development environment to development teams and supports the software development through the entire lifecycle of a product.
SAP NetWeaver Visual Composer is SAP’s web-based software modelling tool. It enables business process specialists and developers to create business application components, without coding.
The SAP NetWeaver Developer Studio (NWDS) is an integrated development environment (IDE) for most of the Java part of SAP technology, mainly building business web applications, but also creating SAP Enterprise Portal projects and SAP Interactive Forms by Adobe. The official abbreviation Developer Studio is used seldom whereas NWDS is common, but unofficial.
ZK is an open-source Ajax Web application framework, written in Java, that enables creation of graphical user interfaces for Web applications with little required programming knowledge.
SAP Logon Tickets represent user credentials in SAP systems. When enabled, users can access multiple SAP applications and services through SAP GUI and web browsers without further username and password inputs from the user. SAP Logon Tickets can also be a vehicle for enabling single sign-on across SAP boundaries; in some cases, logon tickets can be used to authenticate into 3rd party applications such as Microsoft-based web applications.
The Interaction Flow Modeling Language (IFML) is a standardized modeling language in the field of software engineering. IFML includes a set of graphic notations to create visual models of user interactions and front-end behavior in software systems.