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Questions tagged [multi-tier]

In software engineering, multi-tier architecture (often referred to as n-tier architecture) is a client–server architecture in which presentation, application processing and data management functions are physically separated

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Three-Tier architecture: what should be in data layer?

I built a monitoring web application that reads from server log files. After that, business logic pull other information by using a geolocalization service. Do I should consider both log file and geolocalization database as my data layer?
Lorenzo
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Is multitier architecture for a scalable web site is a premature optimization?

I am designing the architecture of a new web site. Since multi-tier architecture definitely have all the symptoms of premature optimization (complexity, length of development, etc) I would love to avoid it at this point, however, I believe that…
krakover
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Secure connections to database on multi-tier server

I have a multi-tier architecture where my Rails web app and Nginx is on one server (that can be replicated and load-balanced if need be) and the Postgres database is on its own VPS in the same data centre. Is there a common way to secure…
Turgs
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In which Tier is Catalina RealmBase situated?

I am confused if Catalina RealmBase (DataSourceRealm, or the others) situated in Presentation Tier or in the business Logic Tier (Integration or Business Tier). I created a class SignatureRealm extends DataSourceRealm to authenticate the users. The…
Hasan
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Assembly dependencies within a multi tier application

I am taking a 1st attempt at creating a reuable multi tier application. I have created a Data Access layer project which is referenced by a business layer project. I created a website that references the business layer project and plan to use this…
Kogroth
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Access Coherence cached data cross WebLogic cluster tiers (Data-cache/EJB/Servlet)

I am trying configure a WebLogic 12cR2 cluster to support distributed data cache and application cross serial clustered nodes. Clustering topology as: 1. Three separated weblogic clusters: a. Cluster-jpa (local storage enabled, used to hold…
cidy.long
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What could be a software architecture of a web application without a data-tier?

I'm making a web application in JSP/Servlets and Tomcat that lets you use FFmpeg online. So you just upload the file, fill the form and download it converted. There is no need of data persistence. What could be the best software architecture for the…
Roberto Maisto
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Communicating between different application servers in a multi tiered application

I am writing a node application which has two major tasks. Lets say task A (which reads from a caching layer and responds to requests) and B (which is the manipulation server responding to requests not being handled by task A). In the future I know…
Rahul Nanwani
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How to implement Factory pattern?

I am trying to implement factory class and interface. But i am getting the below error message. I have created a factory class which decides which class to return NormalTaxManager or ImportedTaxManager. I have provided the abstraction using…
hmims
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Access the User Role in data access

I have a MVC5 application, which uses the n-layer pattern. On my website I have a search engine which allows the user to search for companies matching the query string. The list of retreived companies is filtered depending on the role of the…
Hakim Belekacemi
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Is this a good design for a multi-tier application?

I've been asked to write a multi-tier application. It has a database to read data from and a view. I thought about designing it this way: DAL which has entity framework object of my actual db and methods for db. WCF service which calls the DAL's…
Avi Cohen
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decouple software components via nameconvention

I'm currently evaluating alternatives to refactor a drivermanagement. In my multitier architecture I have Baseclass DAL.Device //my entity Interfaces BL.IDriver //handles the dataprocessing between application and device BL.IDriverCreator…
csteinmueller
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N-tier application in asp.net webforms vs asp.net mvc regarding separations of concerns only

Regarding separations of concerns only, are there advantages of using ASP.NET MVC instead of ASP.NET webforms for a multi tier application with an user Interface layer, a Business Logic layer and a Data Access layer?
Pablo
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Looking for answers in an inherited N-Tier Application

I have inherited an n-tier application and I would like some explanation of its way of grouping files. I guess BAL is the BUSINESS ACCESS LAYER DAL is the DATA ACCESS LAYER Any guesses for EAL? Anyone have any idea what EAL is? Also, why would the…
xarzu
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How to access the only TRemoteDataModule's instance in my application server

How do I access my Remote Data Module(RDM)'s instance from another unit at runtime? (The RDM is single instance). When I create a normal Data Module descendant Delphi creates a variable for it in the same unit (ex: MyDM: TMyDM), but when I create a…
Daniel Santos
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