The high-level design and description of a software system. Architectural design distills away details of implementations, algorithms, and data representation to concentrate on the interaction of "black box" components.

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482 views

Can I use Visual Studio 2010 Architectural features to enforce design on code, without feature packs?

I am studying Visual Studio 2010's architectural tools for application lifecycle management. After we have sketched some modeling diagrams, we wonder now how should be the natural workflow to convert ...
10
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3answers
459 views

What features should be tested via automated UI testing?

We recently had a consultant tell us that if a feature can only be tested via automated UI tests (e.g. Selenium, Coded UI), then there is an underlying architectural issue. While this statement might ...
3
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1answer
457 views

Can an entire software infrastructure stack be built entirely from source in-house? Is it practical and sustainable?

I'm a big fan of using open source software but I mostly use community binary releases for the job. I'm wondering about companies that go the extra degree and build everything they use in their ...
2
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2answers
170 views

Should database-models (conceptual or physical) be reviewed by DBAs?

Where I work, new applications that are being developed that will use their own relational database, must have their database-models (conceptual, then physical ) reviewed and aproved by DBAs. Things ...
3
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1answer
209 views

Building dedicated codepad in PHP

I am author of growing framework, which is focused around User Interface building in PHP. Essential requirements for the up-coming website redesign is ability to run code examples. I am willing to ...
4
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3answers
203 views

Establishing an API to provide end-user apps/scripts access to multiple types of databases

Question and Context I am currently working on a project where the main question is, how do we insert an API between the database and end-users who may develop applications/scripts of their own that ...
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2answers
466 views

Want some architecture input to help with current requirements and future (unknown) requirements :-)

BACKGROUND: I am starting to architect a web project using asp.net mvc. I'm going to use a very common architecture where I have the following layers: Service Biz Data Domain The Service layer ...
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2answers
935 views

What makes a successful architecture team? [closed]

I was recently appointed as the leader of a newly formed architecture team (most similar to systems or enterprise architecture, not explicitly software architecture). My company is medium sized, and ...
5
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3answers
330 views

Is “frontend” generic term or it is used only in web design?

When I read about frontends, it always mentiones webpages. Can it be used in different contexts, e.g. desktop applications?
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1answer
84 views

Securely changing system configuration from a web application

I need to write a web application that acts as a configuration interface for some system services. Meaning it will probably change some kind of configuration file and has to restart (linux) system ...
12
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4answers
4k views

Alternatives to the repository pattern for encapsulating ORM logic?

I've just had to switch out an ORM and it was a relatively daunting task, because the query logic was leaking everywhere. If i'd ever had to develop a new application, my personal preference would be ...
2
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1answer
517 views

DB Schema for packaging products / services together under a single pric / Offer

I'm trying to 'conceive' the business logic of this website that have many activities, that the users can build their "combo" and get discounts depending on their choices and how long they are willing ...
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1answer
3k views

Application Logic – which of the two definitions is correct?

This is my understanding of the Application Layer: • It implements Application logic • this layer contains Application Services, which are used by external consumers to talk to your application ...
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3answers
1k views

Presentation VS Application layer in DDD

I have trouble drawing a clear line between Presentation and Application layer in Domain Driven Design. Where should Controllers, Views, Layouts, Javascript and CSS files go? Is it in the ...
38
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4answers
2k views

Why do so many namespaces start with com

I've noticed that a lot of companies use "reverse domain name" namespaces and I'm curious where that practice originated and why it continues. Does it merely continue because of rote practice, or is ...
0
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1answer
280 views

Scientific software design [closed]

I asked this question over at stackoverflow and it was suggested a tighter form be posted here. Many early career numerical researchers face the prospect of having to create performance critical ...
4
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2answers
100 views

How deep should we dive into testing different layers

We use Drupal 7 as our base CMS tool. For one specific product, something like an ERP, we've created sort of a non-drupal layer, to keep our specific business code in. It would be something like ...
7
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4answers
415 views

Storing Dynamic SQL in text files vs inline code

Our Architecture team is proposing a framework that would see our SQL queries moved from coded strings within our applications, into a file based system where we would invoke them with function calls. ...
4
votes
2answers
337 views

DDD and filtering

I am developing an app in ddd maner. So I have a complex domain model. Suppose I have a Fare object and Airline. Each Airline should contain several or much more Fares. My UI should represent Model ...
41
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11answers
4k views

Is there any reason not to go directly from client-side Javascript to a database? [duplicate]

Possible Duplicate: Writing Web “server less” applications So, let's say I'm going to build a Stack Exchange clone and I decide to use something like CouchDB as my backend store. If I use ...
3
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3answers
349 views

Architecting persistence (and other internal systems). Interfaces, composition, pure inheritance or centralization?

Suppose that you need to implement persistence, I think that you're generally limited to four options (correct me if I'm wrong, please) Each persistant class: Should implement an interface ...
41
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11answers
3k views

As a software architect, am I supposed to focus that much on analysing the logs and fixing other's bugs?

Since my graduation (late 2005) I was working for the same company as a c++ software engineer. A year ago I was promoted as a software architect but I have found myself involved more and more in ...
3
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2answers
1k views

Reuse Business Logic between Web and API

We have a website and two mobile apps that connect through an API. All the platforms do the exactly same things. Right now the structure is the following: Website. It manages models, controllers, ...
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1answer
167 views

When do domain concepts become application constructs?

I recently posted a question regarding recovering a DDD architecture that became an anemic domain model into a multitier architecture and this question is a follow-on of sorts. My question is when ...
1
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1answer
351 views

.Net search engine architecture and technology choice

I am in the process of designing a search engine for an asp.net site. The site currently uses Microsoft Indexing Server to index and search content which range from simple text files to MS documents ...
3
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3answers
5k views

Is there a difference between a component and a module

I have a little problem with the terms module and component. In my mind, a module are bundled classes, which are only accesable via a well defined interface. They hide all implementation details and ...
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2answers
798 views

Interaction of a GUI-based App and Windows Service

I am working on personal project that will be designed to help manage my media library, specifically recordings created by Windows Media Center. So I am going to have the following parts to this ...
2
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1answer
445 views

Organizing ASP.Net Single Page Application with Nancy

As a personal project, I'm creating a single page, asp.net web application using Nancy to provide RESTful services to the single page. Due to the complexity of the single page, particularly the ...
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5answers
4k views

How can I tell whether my computer is Harvard or von Neumann architecture?

I understand the difference between the two architectures is the separation of instructions from data in the Harvard architecture. But how do I know which type of system I'm on? Is it possible to ...
3
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2answers
4k views

How to design a scalable notification system? [closed]

I need to write a notification system manager. Here is my requirements: I need to be able to send a Notification on different platforms, which may be totally different (for exemple, I need to be ...
1
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1answer
67 views

Grouping classes by subject or dependencies?

Our project consists of user application and server application. The server application prepares data files that the user application consumes. Because the data is huge, it is stored in custom format. ...
7
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4answers
948 views

Looking for a real-world example illustrating that composition can be superior to inheritance

I watched a bunch of lectures on Clojure and functional programming by Rich Hickey as well as some of the SICP lectures, and I am sold on many concepts of functional programming. I incorporated some ...
3
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3answers
720 views

Securing credentials passed to web service

I'm attempting to design a single sign on system for use in a distributed architecture. Specifically, I must provide a way for a client website (that is, a website on a different ...
6
votes
1answer
764 views

Architecture : am I doing things right?

I'm trying to use a '~classic' layered arch using .NET and Entity Framework. We are starting from a legacy database which is a little bit crappy: Inconsistent naming Unneeded views (view referencing ...
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1answer
764 views

Custom .NET apps and clustering

So for a clustered environment - how would this work with your apps? what about your own custom .NET apps? Would there be a special way to develop them? I know that you can say create a simple Hello ...
0
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1answer
122 views

Clustering and custom applications

So lets say we have a clustered environment setup. We have a cluster SQL Server (I don't know exactly how its done but lets just say its been done for the sake of argument). Now if a website or ...
4
votes
2answers
316 views

Keeping a domain model consistent with actual data

Recently domain driven design got my attention, and while thinking about how this approach could help us I came across the following problem. In DDD the common approach is to retrieve entities (or ...
1
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2answers
98 views

Cookie Settings Storage Method

I've got an web app that needs to store some non-sensitive preferences for the user. Right now I'm storing their language preference and what mode they want a window opened in by default in two ...
2
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7answers
305 views

Designing extensible, interactive systems

Steve Yegge's The Pinoccio Problem describes a very special type of program: one that not only fulfills the original purpose of its creators, but also is capable of performing arbitrary, user-defined ...
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votes
5answers
689 views

How to reduce tight coupling between two data sources

I'm having some trouble finding a proper solution to the following architecture problem. In our setting (sketched below) we have 2 data sources, where data source A is the primary source for items ...
1
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1answer
216 views

multi-clients web application,should I use custom user controls or a common user control

Say my company is going to build a complicated asp.net web form education system. One of the module is web based registration. To make it flexiable, we decide to use user control(ascx) with ...
2
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2answers
123 views

How to keep a generic process unique?

I'm currently working on a project that makes connection between different banks which send us information on which that project replies. A part of that project configures the different protocols ...
10
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5answers
289 views

Should I incorporate exit cost into choosing a solution

I'm currently choosing between two viable software designs/solutions. Solution 1 is easy to implement, but will lock some data in a proprietary format, and will be hard to change later. Solution 2 is ...
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2answers
130 views

Software patterns for frameworks [closed]

I am currently doing some research about software patterns and about architectural patterns for frameworks specifically. Google is not really showing off for this topic, so I am curious which ...
1
vote
1answer
301 views

Structure of a correctly implemented JTable with TableModel and Listeners?

I am pretty new to Java and its JTables and this is where I am struggling at the moment. I need to create a GUI which shows me results of a sql query like SELECT * FROM tblPeople WHERE name='Doe'. My ...
2
votes
1answer
447 views

Microkernel architectural pattern and applicability for business applications

We are in the business of building customizable web applications. We have the core team that provides what we call as the core platform (provides services like security, billing etc.) on top of which ...
3
votes
4answers
2k views

DDD: Service or Repository

I am developing an app in DDD manner. And I have a little problem with it. I have a Fare (airline fare) and FareRepository objects. And at some point I should load additional fare information (from a ...
5
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1answer
306 views

DDD: service contains two repository

Does it correct way to have two repository inside one service and will it be an application or domain service? Suppose I have a Passenger object that should contains Passport (government id) object. ...
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2answers
2k views

Thin client Web browser?

Many times i have heard people saying that a particular hardware to be running a thin client web browser. But from the definition of "thin-client", doesnt all browser qualify as a thin-client? as all ...
3
votes
2answers
205 views

Best design for a “Command Executer” class

Sorry for the vague title, I couldn't think of a way to condense the question. I am building an application that will run as a background service and intermittently collect data about the system its ...