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Introduction to E-CommerceThe Scope of Electronic Commerce Definition of Electronic Commerce,Electronic E-commerce and the Trade CycleElectronic Markets, Electronic Data InterchangeInternet Commerce, E-Commerce in PerspectiveBusiness Strategy in an Electronic Age: Supply ChainsPorter’s Value Chain Model, Inter-Organizational Value ChainsCompetitive Strategy, Porter’s ModelFirst Mover Advantage Sustainable Competitive AdvantageCompetitive Advantage using E-CommerceBusiness Strategy, Introduction to Business StrategyStrategic Implications of IT, TechnologyBusiness Environment, Business CapabilityExiting Business Strategy, Strategy Formulation & Implementation PlanningE-Commerce ImplementationE-Commerce EvaluationBusiness-to-Business Electronic CommerceCharacteristics of B2B ECModels of B2B EcProcurement Management Using the Buyer’s Internal MarketplaceJust in Time DeliveryB2B ModelsAuctions and Services from Traditional to Internet-Based EDIThe Role of Software Agents for B2B ECElectronic marketing in B2BSolutions of B2B ECManagerial IssuesElectronic Data Interchange (EDI)EDI: The Nuts and BoltsEDI & BusinessInternet and ExtranetAutomotive Network ExchangeThe Largest ExtranetArchitecture of the InternetIntranet and ExtranetIntranet softwareApplications of IntranetsIntranet Application Case StudiesConsiderations in Intranet DeploymentThe Extranets, The structures of ExtranetsExtranet products & servicesApplications of ExtranetsBusiness Models of Extranet Applications, Managerial IssuesElectronic Payment SystemsIs SET a failureElectronic Payments & ProtocolsSecurity Schemes in Electronic payment systemsElectronic Credit card system on the InternetElectronic Fund Transfer and Debit cards on the InternetStored – value Cards and E-CashElectronic Check SystemsProspect of Electronic Payment SystemsManagerial IssuesWeb-Based Client/ Server
Online business Architecture
Online business depends on customer server design.
A customer can be an application, which utilizes a Graphical User Interface (GUI) that sends a solicitation to a server for specific administrations.
The server is the supplier of the administrations mentioned by the customer.
In E-trade, a customer alludes to a client who demands for specific administrations and the server alludes to the business application through which the administrations are given.
The business application that offers types of assistance is conveyed on a Web server.
The E-Commerce Web server is a PC program that offers types of assistance to "other PC projects and serves mentioned Hyper Text Mark-up Language (HTML) pages or records.
In customer server engineering, a machine can be both a customer just as a server.
There are two kinds of customer server design that E-business follows: two-level and three-level.
Web-based business System Architecture: Two-level design:
In a two-level customer server engineering, the UI runs on the customer and the database is put away on the server. The business application rationale can either run on the customer or the server. The client application rationale can either run on the customer or the server. It permits the customer procedures to run independently from the server forms on various PCs.
The customer forms give an interface to the client that accumulates and presents the information on the PC of the client. This piece of the application is known as the introduction layer. The server forms give an interface to the information store of the business.
This piece of the application is known as the information layer. The business rationale, which approves information, screens security and authorizations and performs different business rules, can be kept either on the customer or the server. The accompanying Figure shows the online business framework two-level design chart.
Web-based business Architecture Two-level engineering
Web-based business System Architecture: Three-level design:
The three-level design rose during the 1990s to conquer the confinements of two-level engineering. In the three-level engineering, the UI and the business application rationale, otherwise called business rules and information stockpiling and access, are created and kept up as free modules.
The three-level engineering incorporates three levels: top-level, center level, and third level.
The top-level incorporates a UI where client administrations, for example, meeting, content info, and exchange and show the executives live.
The center level gives the process the executives administrations, for example, process improvement, process observing and process resourcing that are shared by the various applications.
The third level gives the database the board's usefulness. The information the board segment guarantees that the information is predictable all through the conveyed condition, the brought together procedure rationale right now, makes organization simpler by limiting the framework usefulness, is set on the center level.
Web-based business Architecture Three Tier design
The customer server engineering points of interest:
The customer server engineering gives institutionalized, conceptual interfaces to set up a correspondence between numerous modules. At the point when these modules are joined, they become an incorporated business application. Every module is a shareable and reusable article that can be remembered for another business application.
In the customer server engineering, the elements of a business application are disconnected inside the littler business application protests thus application rationale can be adjusted without any problem.
In "the customer server design, every business application object works with its own exemplified information structures that compare to a particular database. At the point when business application objects impart, they send the information parameters as indicated in the theory interface as opposed to the whole database records.
This lessens arrange traffic. In the customer server engineering, a developer can create introduction parts without knowing the business application rationale.
This engineering additionally helps a database examiner in getting to the information from the database without being concerned about how the information is introduced to an end client
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