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.

learn more… | top users | synonyms

-1
votes
1answer
84 views

Designing a big Web application (SPA) with .NET and javascript frameworks. How to start?

In my company we have this desktop ERP that is the main product of the company. Ofcourse this erp is a collection of different bussiness modules (CRM, inventory managment etc.). The company wanted to ...
0
votes
1answer
92 views

Observing progress of a distributed system

For a distributed system, there is a requirement of observing the progress of smaller applications on distributed computers (runtime 5 - 20 minutes). There is a web fronted, which right now only ...
0
votes
1answer
119 views

How to design a scriptable communication emulator?

Requirement: We need a tool that simulates a hardware device that communicates via RS232 or TCP/IP to allow us to test our main application which will communicate with the device. Current flow: ...
0
votes
1answer
50 views

How to implement the use of NoSQL and RDBMS together [on hold]

(I don't have hadoop experience so excuse me if this is irrelevant) I am building a search engine that would scrape a number of websites (not the whole internet) I am planning to write the website in ...
2
votes
1answer
88 views

What is a good design approach in .NET for performing a series of checks in background process?

I have a flight planning system in .NET/SQL Server which needs to perform several validation checks. This needs to work on both a windows and a web client. Currently the checks run synchronously but ...
0
votes
2answers
683 views

What techniques would you use for a next generation java web application? [on hold]

I'm working at a site similar to Foursquare and Yelp, with approximately 100000 unique requests each week that generates content, growing steadily. We are currently using: Seam as Java web ...
1
vote
0answers
17 views

Integrate MS Dynamics AX with Play Framework

In my company we use MS Dynamics AX 2009. This is the ERP of the company. We have around 100 users. The servers of MS Dynamics AX are in the headquarters company. We are developping a new website ...
0
votes
0answers
31 views

What tecnologies can I use to implement a specialized social network? [on hold]

I am a Java (Spring) and .NET developer and I know also (just a litle) PHP. I'm planning to start working on a personal project consisting of the development of something like a specialized social ...
0
votes
1answer
118 views

What would you avoid re-inventing at all costs? [on hold]

We recently had to re-invent a high-availability queueing engine like RabbitMQ (for various reasons). Naturally this turned out to be more time consuming and expensive than expected. What type of ...
0
votes
1answer
81 views

Ensuring non conflicting components in a modular system

So lets say we are creating a simple "modular system" framework. The bare bones might be the user management. But we want things like the Page Manager, the Blog, the Image Gallery to all be ...
0
votes
1answer
120 views

Onion Architecture Structure

I am looking to understand and implement the Onion Architecture and have a vague idea on how to structure everything but need help to clear up some of my confusion. Based on different examples and ...
0
votes
0answers
45 views

AngularJS directive architecture: Where to put parameters?

I'm using a charts-Plugin (Morris.js) in my AngularJS application. I'm building a directive for each type of chart. The plugin is called like this: new Morris.Line({ // ID of the element in which ...
2
votes
1answer
71 views

How to handle hidden folders on deployed website

Our security team at work did a security scan of our soon-to-be-deployed website and one of the items that was found was "Hidden Directory Detected". It shows up for 3 different folders, ...
2
votes
0answers
53 views

Designing module interfaces

I'm studying software engineering and one thing I'm really trying to improve is my skill in software architecture. My question is quite broad, so I'll try to explain it with an example. Suppose you ...
2
votes
3answers
1k views

When should a class or module be in a separate Assembly/DLL?

Are there any guidelines for deciding when a class should be in its own assembly/DLL? I often see two schools of thought: 1) Every "grouping" of classes belongs in its own DLL e.g. Repositories, ...
0
votes
3answers
411 views

Should I use different projects for building different layers in a 3-layer model?

I am creating a new project from scratch and have decided to use a 3-layer model. I am using: the 1st layer for business entities, the 2nd layer for business logic, and the 3rd layer for data logic ...
2
votes
1answer
87 views

Applications of Artificial Intelligence on regular business applications [closed]

This is a doubt I had for a really long time. I'm currently learning the basics of AI, mostly from Peter Norvig's book. I already know that you can use several AI techniques in Data Mining and ...
1
vote
1answer
134 views

What is a good practice to push notifications in a “near real-time” delay in this case?

I want to enable some real-time notifications about friend's activities (social network). Technical context is: Webapp calling backend (REST API's). Scenario is: Kevin follows Bob. When Bob ...
1
vote
1answer
63 views

What should be used to diagram an application's internal architecture?

I have an application that has several dependencies, including a Matlab library and a Microsoft Windows Media Player ActiveX control. How would I graphically depict the internal architecture of this ...
0
votes
0answers
44 views

Web Services of System Integration

I have been assigned to a system integration project. However, I do not understand part of the integration implementation architecture. For example, I have a passport scanner connected to a Windows ...
3
votes
1answer
121 views

Good way to handle the notification counter like Facebook does

I want to build a similar notification mechanism that Facebook handles. I actually store the user's notification in an SQL table (actually it's a graph database but everybody master RDBMS terms). ...
1
vote
1answer
57 views

Differentiating Standalone and Client-Server architectures

I was wondering what is the exact difference between a client-server and a standalone application, particularly in following scenario. For example lets say there is a win forms application running on ...
0
votes
1answer
49 views

Multiple intranet/internet systems partially working on same data - database strategy

We are starting rewritting our apps (Internet portal, millions of unique users and few CRM/ERP systems, few hundred users) and we have a huge decision to make now. We are going to write them mostly ...
1
vote
1answer
38 views

Modular Web App Network Architecture

Assuming that I am dealing with dedicated physical servers or VPSs, is it conceivable and does it make sense to have distinct servers setup with the following roles to host a web application? ...
1
vote
5answers
198 views

Coupling business logic with class definitions

Perhaps it is my scripting background, but my perspective is that the purpose of an object should be to contain data. Classes are necessary in that they provide templates and standard ways to classify ...
0
votes
1answer
177 views

MQTT, GWT, ActiveMQ stack to bring jms to the browser

I am in the preliminary stages of architecting a legacy replacement project. They already have sub half second performance on their green screens and they want the same on their web app. We have ...
0
votes
1answer
66 views

How should a JEE application store credentials for logging in to an external system?

I am in a situation where I have a Web Application (WAR) that is accessing a REST service provided by another application. The REST service uses Basic HTTP Authentication. So that means the ...
0
votes
1answer
82 views

Multilayered enterprise application use of JAXB objects

I am asked to refactor and maintain an enterprise application. Normally I'm used to using the MVC design pattern. This time however, I'd like to separate everything into layers (multilayered ...
0
votes
2answers
544 views

iOS chat application design, sending/relaying the message over to the end user

I have a design question. Let us say you were tasked with building a chat application, specifically for iOS (iOS Chat Application). For simplicity let us say you can only chat with one person at a ...
0
votes
1answer
44 views

Which version management design methodology to be used in a Dependent System nodes?

This is my first question so please indicate if my question is too vague and not understandable. My question is more related to High Level Design. We have a system (specifically an ATCA Chassis) ...
-2
votes
1answer
69 views

Should I pass the database access class around or query the database and pass the results? [closed]

Bog standard application, but I'm new to databases. I have a wrapper class around the database, and I can see what looks like two sensible ways to structure procedures viewing the data from the ...
3
votes
1answer
51 views

Pattern to use to relate multiple data sources to different user data widgets

I have an client x server intranet application the basically gets data from the server, format it and send that data to the client for display. At the server we are using ASP.NET C# running on IIS ...
2
votes
1answer
309 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 ...
1
vote
2answers
128 views

Entirely separate business logic layer from MVC

We are currently refactoring our controller methods in ASP.NET MVC application. At the beginning we've separated data access layer (our goal was to remove LINQ from controllers entirely). Now we are ...
2
votes
2answers
769 views

Building a distributed system on Amazon Web Services

Would simply using AWS to build an application make this application a distributed system? For example if someone uses RDS for the database server, EC2 for the application itself and S3 for hosting ...
0
votes
1answer
46 views

Should I persist notification before or after publishing it through Redis pub/sub?

I'm implementing a mechanism to notify a group of users about newly inserted blog comments. The architecture uses the Redis Pub/Sub mechanism. By definition, the pub/sub mechanism aims to propagate ...
0
votes
1answer
306 views

Front-end structure of large scale Django project

Few days ago, I started to work in new company. Before me, all front-end and backend code was written by one man (oh my...). As you know, Django app contains two main directories for front-end: ...
0
votes
0answers
46 views

Multitier architecture using API

I have been reading a number of posts and I am leaning towards building an SOA. My main dependencies are: Need to support multiple clients Need individual client environments to not effect other ...
1
vote
2answers
71 views

Model Driven Architecture Approach in programming / modelling

I know the basics of the model driven architecture: it is all about model the system which I want to create and create the core code afterwards. I used CORBA a while ago. First thing that I needed to ...
67
votes
11answers
5k views

Advice on designing web application with a 40+ year lifetime

Scenario Currently, I am apart of a health care project whose main requirement is to capture data with unknown attributes using user generated forms by health care providers. The second requirement ...
2
votes
0answers
72 views

Use and manage Front End Assets for Web

I am a beginner and am currently developing a kind of cms using PHP. The number of libraries that we can potentially use in the front end is large. I have a question about properly selecting, ...
3
votes
4answers
718 views

Is this database design sound and fully normalised?

I'm creating a database to store words. The intended usage is to query the database to find a word matching a set of filters. E.g. if I wanted to find a word with < 10 letters, < 3 syllables, ...
23
votes
4answers
4k views

How to significantly improve Java performance?

The team over at LMAX have a presentation about how they were able to do 100k TPS at less than 1 ms of latency. They have backed up that presentation with a blog, technical paper (PDF) and the ...
2
votes
1answer
237 views

Where do service implementations fit into the Microsoft Application Architecture guidelines?

The guidelines discuss the service layer with its service interfaces and data/message/fault contracts. They also discuss the business layer with its logic/workflow components and entities as well as ...
1
vote
2answers
442 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 ...
1
vote
1answer
137 views

Architecture of large-scale API (User Management)

We are currently designing an API that will hide different services (Product, Content, User etc) that will be used by our own website, our own apps etc. It is not a public API. We are looking into ...
1
vote
1answer
112 views

From a DDD perspective is a report generating service a domain service or an infrastructure service?

Let assume we have the following service whose responsibility is to generate Excel reports: class ExcelReportService{ public String generateReport(String fileFormatFilePath, ResultSet data){ ...
3
votes
1answer
78 views

Architecture for maintaining/executing multiple versions of same strategy / functionality in live application

So I am working with a customer who has an older application that has quite a few interesting quirks. Among other things, it has its own code version system for business functions, by storing the ...
0
votes
2answers
160 views

How to structure REST api service that accepts POST parameters in the body

Everything I've read says to pass parameters to a REST service in the URI, whether by template, or query string: https://www.myapp/my/login/api/authenticate/ganders/mypassword or ...
1
vote
0answers
53 views

How to Implement URL parameter service correctly [migrated]

I'm about to design an service which handles URL-Parameters in AngularJS. Currently I have two different kinds of parameters. Single valued &param=myValue Multi valued ...