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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1answer
103 views

Is a grid or p2p architecture a subset of a broker architecture?

Is a grid or p2p architecture a subset of a broker architecture? what are the key features that make these similar or distinct?
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1answer
122 views

Extending Composite Structure model generally/in Enterprise Architect

I'm currently on a project, which integrates domain specific techniques in the modelling tool Enterprise Architect through UML Profiles. The domain specfic model almost matches the structure of the ...
10
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6answers
2k views

What is a good analogy to explain how software development is different than building a bridge? [duplicate]

If you had a manager, a couple of levels above you, tell you that building software is like building a bridge, how would you respond to that? If this manager truly believes that we should be able to ...
4
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4answers
577 views

Architecting Python application consisting of many small scripts

I am building an application which, at the moment, consists of many small Python scripts. Each Python script processes items from one Amazon SQS queue. Emails come into an initial queue and are ...
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1answer
683 views

Data transfer between “main” site and secured virtual subsite

I am currently working on a C# ASP.Net 3.5 website I wrote some years ago which consists of a "main" public site, and a sub-site which is our customer management application, using forms-based ...
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3answers
640 views

In a module-core program, how should modules interact with each other?

Short background: I'm using MEF/C# for developing a program that has one core (singleton) and multiple MEF parts (I call them modules, each module is a separate assembly with one class that contains ...
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1answer
128 views

Naming a class that does Importing and exporting of data

I've been thinking about creating a class that handles importing and exporting of data, and I feel that naming it FooImporterExporter might look too long, I wan't to see if there's a name convention ...
23
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2answers
10k views

We have a large Ruby on Rails application (25 million monthly users), our management decided to rewrite in Node.js, am I crazy?

Please tell me if: Node.js will make our site faster! Node.js will consume fewer server resources, we can save money! Node.js will make us more productive! Node.js means we can share client and ...
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6answers
500 views

Is MVC ever considered/applied system-wide?

I was having a discussion with a colleague and he bought up the topic of MVC and the use of ViewModels in ASP.NET MVC. The discussion was that, in an n-layer architecture, the UI, Business Layer and ...
10
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1answer
511 views

Functional Reactive/Relational Programming – Is there a difference?

I've been using Reactive Cocoa (by GitHub), a Functional Reactive Programming API for use with the Cocoa libraries for a while now, but have just read "Out of the Tar Pit", the paper that supposedly ...
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1answer
92 views

Identifying Users

We have a site that allows users to generate their own content. If users generate illegal content, we'll be submitting a report to the authorities. In the event that we do have to report a user, we ...
2
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1answer
103 views

Where to put Administrative Features

Right now we have our administrative features located at www.mysite.com/admin. It is locked down by UN/PW but it still seems like an insecure place to have it. Is there a better place to put it? ...
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1answer
85 views

Application architecture for subscriber based system

I am planning on building a system where users "subscribe" to "records". Records are updated on a schedule, several times a day. When records are updated, the user should be notified that these ...
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1answer
742 views

Incorporating web designer's HTML pages into an MVC4 application

We are embarking on a new project which will be using the ASP .NET MVC4 platform. I have been informed that the design is being outsourced to a custom design firm and they will be supplying us with ...
3
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1answer
250 views

How to explain to your colleages to stop creating packages and classes named “Utils”?

In most of the projects at work it will eventually show up a package, a class (or multiple packages and classes) named "Utils", where every kind of function is dumped into. It becomes excruciating ...
3
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1answer
560 views

Multiprocess RPC Architecture Design

I am currently working on a project that has client applications communicating with a server process. The client applications could be local to the same machine as the server process, on the same ...
3
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1answer
201 views

Idiomatic Javascript code architecture

I am writing a node.js application which I am breaking down into modules, the issue is I am not sure how to organise my code in an idiomatic Javascript way. Currently each of my modules exposes a set ...
2
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2answers
136 views

Architecting related products for different markets: MEF?

Hopefully, this question is not too open-ended... I have been tasked with taking a 3 year old application (.NET 4.0, WPF, WCF, EF 4, SQL 2008) that was designed for a very specific market X and ...
3
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3answers
249 views

Bothering to cater to non-JavaScript clients? [duplicate]

Considering that it's April, 2013; do I still need to worry about non-JavaScript capable/enabled clients? Note: This question excludes having helper text with: JavaScript is required to view this ...
2
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1answer
269 views

Application Architecture

first of all I am new here and I hope that this is the right place for my question. I have a question about the recommended architecture of a project. IDEA: Automate some calculations concerning to ...
3
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1answer
214 views

Ambiguous use of “Controller” in MVC

I have heard two separate uses for the term controller when speaking of the Model View Controller methodology. An intermediary section of code that communicates between the Model and View, tying ...
2
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4answers
366 views

Architecture change from using disk to RAM to read and write key/value pairs coming over a network

A WebApp writes a stream of data coming over a network to disk as key/value pair and then reads & send it over network again after few milliseconds in 99% of case. In 1% of cases write/read can be ...
26
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7answers
7k views

Should Repositories return IQueryable?

I have been seeing a lot of projects that have repositories that return instances of IQueryable. This allows additional filters and sorting can be performed on the IQueryable by other code, which ...
4
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1answer
400 views

Application Design with a Shared Database

I have a generic design question that relates to enterprise applications but I think that software developers from other types of projects may have experience with this as well. The scenario is ...
4
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4answers
1k views

NoSQL and BIG DATA

I am doing an internship on Big Data technologies so I am new to this area. My question is about the use of NoSQL in the Big Data architecture. Do we need always to use a distributed storage (like ...
0
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1answer
1k views

ASP.NET MVC Web Site & WCF Web Service - Sharing functionalities

I have the following situation: I have to create a website and a web service that will share a part of the functionalities. This is why I do not want to write code twice. I have thought of the ...
74
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9answers
28k views

Why did Alan Kay say, “The Internet was so well done, but the web was by amateurs”?

OK, so I paraphrased. The full quote: The Internet was done so well that most people think of it as a natural resource like the Pacific Ocean, rather than something that was man-made. When was the ...
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3answers
2k views

Why should form inheritance be avoided?

I remember learning VB4 and dragging a button onto a form, double-clicking on that button, and typing code into that event handler I had just been magically blessed with. Coming from QBASIC I was ...
3
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1answer
417 views

Designing models for a generic service layer

We are building a web interface to a tiered membership system, which will interface with a third-party CRM web service for the creation and management of accounts. The web service, unfortunately, is ...
7
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4answers
2k views

How to manage automated emails sent from a web application

I am designing a web application and I am wondering how to design the architecture to manage sending automated emails. Currently I have this feature build into my web app and the emails are sent ...
0
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1answer
126 views

What are the reasons for rebuild and redeployment libraries?

It's difficult to understand the meaning of the question from the topic's name. Here is what I mean. I'm watching Uncle Bob's Clean Code Episodes. In many episodes where he is talking about SOLID ...
5
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4answers
681 views

Architecture suggestions on a multi-project multi-database 'intranet'

Here is the situation I have inherited: We have approximately 10 websites (Asp.net web forms) that each have their own database. Each of these databases houses some site specific data, and each has ...
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2answers
2k views

3 Tier Application Architecture, logic and database

(Note: The examples are simplified) I've seperated my solution into 3 projects WebSite Business Logic Data Access Logic The Website has access to BL and DAL The BL has access to nothing The DAL ...
5
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2answers
402 views

How to implement two different web services running the same business logic?

We are developing a ReSTful HTTP API with Servicestack(.NET). Some of the API clients, which have a subset of the actions, demand a service which could be easily added with all the entities, like ...
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1answer
335 views

Java Swing ActionListener design

I have a form that includes an area for putting in address information and a table that shows the addresses that have been added. I've separated out the ActionListener for the "add address" button on ...
5
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2answers
249 views

How to avoid a singleton in this example?

I have a class Image and another one ImageStore. The Image it's just a value object containing the package name and the image name. The ImageStore does all the actual work: calculates the real path of ...
5
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2answers
776 views

IEC 62304 compliant Architecture definition

I am currently tasked with creating a software architecture for compliance with IEC 62304. These regulations are notoriously vague, and do not provide any real substance as to what is required for a ...
2
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3answers
573 views

Write data to SQL Server directly from BizTalk or use external service?

An external source will be sending us XML data that BizTalk will pick up and transform into an internal schema. We need this data to be loaded into a SQL Server database as we're going to expose some ...
2
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4answers
362 views

Plugin Architecture: How to Handle Databases and Logging?

I am in the process of designing an architecture for a plugin based application and I have some questions about how to handle database access and logging. The goal of my application is to allow a ...
4
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1answer
287 views

How to properly diagram lambda expressions or traversals through them in Architecture Explorer?

I'm exploring a piece of code in Architecture Explorer in Visual Studio 2010 to study the relations between methods. I noticed a strange behavior. Take the following source code. It generates a hello ...
3
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4answers
227 views

Web Project Class Architecture

I think this is a good question for here but I'm not 100% sure. Please flag if it's too vague. I've worked on many websites where common framework classes are overridden. Since I work mostly in ...
4
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1answer
701 views

Good design for delegates in a service oriented architecture

My problem is quite complex to explain and my English is not excellent, so I hope you can understand my question. In a service oriented architecture there are some modules that own data used by all ...
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4answers
371 views

Will a program ever crash if the main loop is put in a try/catch block [closed]

If we have a class main and the constructor of main constructs our setupclass and we put this class in a try catch in main. Theoratically Will all errors go into catch? If they will how will it ...
7
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2answers
643 views

Why build data models in a dynamic language?

Background This question stems out of an architectural discussion we had at work. For the current project we are using Python and an object oriented database. There are input services that we ...
2
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2answers
434 views

Has anyone used git as a runtime datastore in their application? [closed]

I used to work on a document workflow system, and it basically implemented a half-baked version control system for documents; using a database for versioning information and a filestore for the files. ...
2
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2answers
270 views

Mock up class object

For example I have class ItemDownloader which has method downloadItem. This method creates instance of another class - Download to perform actual downloading. Question is: I want to test ...
2
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1answer
354 views

What kind of abstraction/SoC should I use here?

I am starting a new project, and I want to follow the separation of concerns pattern, and I have been reading on the topic, and now I am in doubt of how I should go about this. Here is how I ...
9
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3answers
272 views

Can we make it easier to add data flows between distant parts of a large codebase?

When making changes to large systems, I often face the problem that some piece of functionality needs to get some data from another piece, but they're in different parts of a deep and branching call ...
25
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8answers
12k views

Why do large websites use different languages for the backend and frontend?

My understanding from small MVC applications is that you have the front end, which deals with HTML, JS, jQuery, etc, and you have the back end, which consists of your controllers and models. ...
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3answers
3k views

Identifying Domain Services & Application Services when doing DDD

-I'm trying to figure out how to identify Application Services in my application. I think I can identify a Domain service by 2 things: It acts as a facade to the repository. It holds business logic ...